diff --git a/examples/eigenvalue/2d_c5g7/2d_c5g7_xs.h5 b/examples/eigenvalue/2d_c5g7/2d_c5g7_xs.h5
new file mode 100644
index 00000000..90946512
Binary files /dev/null and b/examples/eigenvalue/2d_c5g7/2d_c5g7_xs.h5 differ
diff --git a/examples/eigenvalue/2d_c5g7/c5g7.h5 b/examples/eigenvalue/2d_c5g7/c5g7.h5
deleted file mode 100644
index 218b300f..00000000
Binary files a/examples/eigenvalue/2d_c5g7/c5g7.h5 and /dev/null differ
diff --git a/examples/eigenvalue/2d_c5g7/input.py b/examples/eigenvalue/2d_c5g7/input.py
index d2bdc838..078abab9 100644
--- a/examples/eigenvalue/2d_c5g7/input.py
+++ b/examples/eigenvalue/2d_c5g7/input.py
@@ -8,7 +8,7 @@
 # =============================================================================
 
 # Load material data
-lib = h5py.File("c5g7.h5", "r")
+lib = h5py.File("2d_c5g7_xs.h5", "r")
 
 
 # Materials
@@ -17,22 +17,17 @@ def set_mat(mat):
         capture=mat["capture"][:],
         scatter=mat["scatter"][:],
         fission=mat["fission"][:],
-        nu_p=mat["nu_p"][:],
-        nu_d=mat["nu_d"][:],
-        chi_p=mat["chi_p"][:],
-        chi_d=mat["chi_d"][:],
-        speed=mat["speed"],
-        decay=mat["decay"],
+        nu_p=mat["nu"][:],
+        chi_p=mat["chi"][:],
     )
 
 
 mat_uo2 = set_mat(lib["uo2"])
 mat_mox43 = set_mat(lib["mox43"])
-mat_mox7 = set_mat(lib["mox7"])
+mat_mox7 = set_mat(lib["mox70"])
 mat_mox87 = set_mat(lib["mox87"])
 mat_gt = set_mat(lib["gt"])
 mat_fc = set_mat(lib["fc"])
-mat_cr = set_mat(lib["cr"])
 mat_mod = set_mat(lib["mod"])
 
 # =============================================================================
@@ -52,7 +47,6 @@ def set_mat(mat):
 mox8 = mcdc.cell([-cy], mat_mox87)
 gt = mcdc.cell([-cy], mat_gt)
 fc = mcdc.cell([-cy], mat_fc)
-cr = mcdc.cell([-cy], mat_cr)
 mod = mcdc.cell([+cy], mat_mod)
 modi = mcdc.cell([-cy], mat_mod)  # For all-water lattice
 
@@ -63,7 +57,6 @@ def set_mat(mat):
 n = mcdc.universe([mox8, mod])["ID"]
 g = mcdc.universe([gt, mod])["ID"]
 f = mcdc.universe([fc, mod])["ID"]
-c = mcdc.universe([cr, mod])["ID"]
 w = mcdc.universe([modi, mod])["ID"]
 
 # =============================================================================
diff --git a/examples/eigenvalue/2d_c5g7_iqmc/2d_c5g7_xs.h5 b/examples/eigenvalue/2d_c5g7_iqmc/2d_c5g7_xs.h5
new file mode 100644
index 00000000..90946512
Binary files /dev/null and b/examples/eigenvalue/2d_c5g7_iqmc/2d_c5g7_xs.h5 differ
diff --git a/examples/eigenvalue/2d_c5g7_iqmc/input.py b/examples/eigenvalue/2d_c5g7_iqmc/input.py
index 1d7c4f13..4e5cfe37 100644
--- a/examples/eigenvalue/2d_c5g7_iqmc/input.py
+++ b/examples/eigenvalue/2d_c5g7_iqmc/input.py
@@ -164,7 +164,7 @@ def set_mat(mat):
 # =============================================================================
 # iQMC Parameters
 # =============================================================================
-N = 1e3
+N = 1e4
 maxit = 10
 tol = 1e-3
 Nx = 17 * 3 * 2
diff --git a/examples/eigenvalue/2d_c5g7_iqmc/process.py b/examples/eigenvalue/2d_c5g7_iqmc/process.py
index 398e7e69..440793b1 100644
--- a/examples/eigenvalue/2d_c5g7_iqmc/process.py
+++ b/examples/eigenvalue/2d_c5g7_iqmc/process.py
@@ -8,10 +8,10 @@
 # =============================================================================
 
 # Load iqmc result
-with h5py.File("PI_output.h5", "r") as f:
+with h5py.File("output.h5", "r") as f:
     x = f["iqmc/grid/x"][:]
     y = f["iqmc/grid/y"][:]
-    phi_avg = f["iqmc/flux"][:]
+    phi_avg = f["iqmc/tally/flux"][:]
     f.close()
 
 
diff --git a/examples/eigenvalue/slab_2gu_iqmc/input.py b/examples/eigenvalue/slab_2gu_iqmc/input.py
index d42109d7..b948221a 100644
--- a/examples/eigenvalue/slab_2gu_iqmc/input.py
+++ b/examples/eigenvalue/slab_2gu_iqmc/input.py
@@ -9,17 +9,6 @@
 # "Analytical Benchmark Test Set For Criticality Code Verification"
 
 # Set materials
-
-# 1G-PU Slab data
-# m1 = mcdc.material(
-#         capture=np.array([0.019584]),
-#         scatter=np.array([[0.225216]]),
-#         fission=np.array([0.081600]),
-#         nu_p=np.array([2.84]),
-#         chi_p=np.array([1.0]),
-#     )
-# R = [0.0, 4.513502]
-
 # 2G-U Slab data
 m1 = mcdc.material(
     capture=np.array([0.01344, 0.00384]),
diff --git a/examples/eigenvalue/slab_kornreich_iqmc/input.py b/examples/eigenvalue/slab_kornreich_iqmc/input.py
index e5ea8460..5b8a20ed 100644
--- a/examples/eigenvalue/slab_kornreich_iqmc/input.py
+++ b/examples/eigenvalue/slab_kornreich_iqmc/input.py
@@ -35,14 +35,13 @@
 # =============================================================================
 # iQMC Parameters
 # =============================================================================
-N = 1000
+N = 5000
 maxit = 25
 tol = 1e-3
 x = np.arange(0.0, 2.6, 0.1)
 Nx = len(x) - 1
 generator = "halton"
 solver = "power_iteration"
-inner_solver = "source_iteration"
 fixed_source = np.zeros(Nx)
 phi0 = np.ones((Nx))
 
@@ -58,8 +57,7 @@
     tol=tol,
     generator=generator,
     eigenmode_solver=solver,
-    fixed_source_solver=inner_solver,
-    # score=['tilt-x']
+    score=["tilt-x"],
 )
 # Setting
 mcdc.setting(N_particle=N)
diff --git a/examples/eigenvalue/slab_kornreich_iqmc/process.py b/examples/eigenvalue/slab_kornreich_iqmc/process.py
index 90cbe50e..708587eb 100644
--- a/examples/eigenvalue/slab_kornreich_iqmc/process.py
+++ b/examples/eigenvalue/slab_kornreich_iqmc/process.py
@@ -3,6 +3,26 @@
 import h5py
 import sys
 
+# =============================================================================
+# Import data
+# =============================================================================
+
+with h5py.File("output.h5", "r") as f:
+    # Note the spatial (dx) and source strength (100+1) normalization
+    keff = f["k_eff"][()]
+    phi_avg = f["iqmc/tally/flux"][:]
+    sweeps = f["iqmc/sweep_count"][()]
+    x = f["iqmc/grid/x"][:]
+    dx = x[1] - x[0]
+    x_mid = 0.5 * (x[:-1] + x[1:])
+    f.close()
+
+tmp = 0.5 * (phi_avg[1:] + phi_avg[:-1])
+norm = np.sum(tmp * dx)
+phi_avg /= norm
+print("Keff = ", keff)
+print("Number of QMC Transport Sweeps = ", sweeps)
+
 # =============================================================================
 # Reference solution
 # =============================================================================
@@ -69,27 +89,7 @@
 plt.figure(dpi=300, figsize=(8, 5))
 plt.plot(x_exact, phi_exact, label="sol")
 
-with h5py.File("output.h5", "r") as f:
-    # Note the spatial (dx) and source strength (100+1) normalization
-    keff = f["k_eff"][()]
-    phi_avg = f["iqmc/flux"][:]
-    sweeps = f["iqmc/sweep_count"][()]
-    x = f["iqmc/grid/x"][:]
-    dx = x[1] - x[0]
-    x_mid = 0.5 * (x[:-1] + x[1:])
-    f.close()
-
-tmp = 0.5 * (phi_avg[1:] + phi_avg[:-1])
-norm = np.sum(tmp * dx)
-phi_avg /= norm
-print("Keff = ", keff)
-print(sweeps)
-plt.plot(x_mid, phi_avg, label="PI")
-
-
-# =============================================================================
-# Finish Plot
-# =============================================================================
+plt.plot(x_mid, phi_avg)
 plt.title("Kornreich et al. Slab")
 plt.ylabel(r"$\phi(x)$")
 plt.xlabel(r"$x$")
diff --git a/examples/fixed_source/cooper2_iqmc/input.py b/examples/fixed_source/cooper2_iqmc/input.py
index 3bd5b5a3..56c0d0b6 100644
--- a/examples/fixed_source/cooper2_iqmc/input.py
+++ b/examples/fixed_source/cooper2_iqmc/input.py
@@ -35,13 +35,12 @@
 # =============================================================================
 N = 1e4
 Nx = Ny = 40
-maxit = 15
-tol = 1e-9
+maxit = 30
+tol = 1e-6
 x = np.linspace(0, 4, num=Nx + 1)
 y = np.linspace(0, 4, num=Ny + 1)
 generator = "halton"
 solver = "gmres"
-tilt = 1
 
 # fixed source in lower left corner
 fixed_source = np.zeros((Nx, Ny))
@@ -57,8 +56,8 @@
     maxitt=maxit,
     tol=tol,
     generator=generator,
-    source_tilt=tilt,
     fixed_source_solver=solver,
+    score=["tilt-x", "tilt-y"],
 )
 
 # =============================================================================
diff --git a/examples/fixed_source/cooper2_iqmc/process.py b/examples/fixed_source/cooper2_iqmc/process.py
index 1c58da05..918b15b9 100644
--- a/examples/fixed_source/cooper2_iqmc/process.py
+++ b/examples/fixed_source/cooper2_iqmc/process.py
@@ -1,36 +1,14 @@
 import matplotlib.pyplot as plt
-
-plt.rcParams.update({"font.size": 14})
-
-import matplotlib as mpl
 import h5py
 import numpy as np
 
-# from mpl_toolkits.mplot3d import axes3d, Axes3D
-
-
-# Load iqmc result
-# with h5py.File("output.h5", "r") as f:
-#     x = f["iqmc/grid/x"][:]
-#     dx = [x[1:] - x[:-1]][-1]
-#     x_mid = 0.5 * (x[:-1] + x[1:])
-
-#     phi = f["iqmc/flux"][:]
-#     f.close()
-
 # Load iqmc result
-with h5py.File("output2.h5", "r") as f:
+with h5py.File("output.h5", "r") as f:
     meshx = f["iqmc/grid/x"][:]
     meshy = f["iqmc/grid/y"][:]
     dx = [meshx[1:] - meshx[:-1]][-1]
     x_mid = 0.5 * (meshx[:-1] + meshx[1:])
-    lowX = meshx[:-1]
-    highX = meshx[1:]
-
-    phi = f["iqmc/flux"][:]
-    q = f["iqmc/source"][:][0, 0, :, :, 0]
-    qdotx = f["iqmc/Q11/x"][:][0, 0, :, :, 0]
-    qdoty = f["iqmc/Q11/x"][:][0, 0, :, :, 0]
+    phi = f["iqmc/tally/flux"][:]
 
     f.close()
 
@@ -46,115 +24,4 @@
 ax.set_zlabel(r"log($\phi$)", rotation=180)
 
 ax.view_init(elev=15, azim=20)
-# iqmc_label = mpl.lines.Line2D([0], [0], linestyle="none", c="b", marker="o")
-# mc_label = mpl.lines.Line2D([0], [0], linestyle="none", c="r", marker="o")
-# ax.legend([iqmc_label, mc_label], ["iQMC", "MC/DC"], numpoints=1)
-# plt.tight_layout()
-plt.show()
-
-# =============================================================================
-# Source Plots
-# =============================================================================
-X, Y = np.meshgrid(x_mid, x_mid)
-Z = np.log10(q)
-fig, ax = plt.subplots(subplot_kw={"projection": "3d"}, dpi=300, figsize=(12, 10))
-ax.plot_surface(Y, X, Z, edgecolor="b", linewidth=0.5, cmap="viridis")
-ax.set_xlabel("x")
-ax.set_ylabel("y")
-ax.set_zlabel(r"Source", rotation=180)
-ax.view_init(elev=15, azim=20)
-
-
-num_steps = 800
-y_mid = x_mid.copy()
-Nx = num_steps
-Ny = num_steps
-x = np.linspace(lowX[0], highX[-1], num=num_steps)
-y = np.linspace(lowX[0], highX[-1], num=num_steps)
-# Nx = meshx.size
-# Ny = meshy.size
-# x = meshx
-# y = meshy
-z1 = np.zeros(shape=(Nx, Ny))
-z2 = np.zeros(shape=(Nx, Ny))
-z3 = np.zeros(shape=(Nx, Ny))
-z4 = np.zeros(shape=(Nx, Ny))
-points = np.zeros(shape=(int(Nx * Ny), 2))
-count = 0
-for i in range(Nx):
-    zonex = np.argmax((x[i] > lowX) * (x[i] <= highX))
-    midx = x_mid[zonex]
-    for j in range(Ny):
-        zoney = np.argmax((y[j] > lowX) * (y[j] <= highX))
-        midy = y_mid[zoney]
-        points[count, :] = [x[i], y[j]]
-        count += 1
-        z1[i, j] = q[zonex, zoney]
-        z2[i, j] = q[zonex, zoney] + qdotx[zonex, zoney] * (x[i] - midx)
-        z3[i, j] = q[zonex, zoney] + qdoty[zonex, zoney] * (y[j] - midy)
-        z4[i, j] = (
-            q[zonex, zoney]
-            + qdotx[zonex, zoney] * (x[i] - midx)
-            + qdoty[zonex, zoney] * (y[j] - midy)
-        )
-
-X, Y = np.meshgrid(x, y)
-Z1 = np.log10(z1)
-fig, ax = plt.subplots(subplot_kw={"projection": "3d"}, dpi=300, figsize=(12, 10))
-ax.plot_surface(Y, X, z1, edgecolor="b", linewidth=0.5, cmap="viridis")
-ax.set_xlabel("x")
-ax.set_ylabel("y")
-ax.set_zlabel(r"Source", rotation=180)
-ax.view_init(elev=15, azim=20)
-plt.show()
-
-Z2 = np.log10(z2)
-fig, ax = plt.subplots(subplot_kw={"projection": "3d"}, dpi=300, figsize=(12, 10))
-ax.plot_surface(Y, X, z2, edgecolor="b", linewidth=0.5, cmap="viridis")
-ax.set_xlabel("x")
-ax.set_ylabel("y")
-ax.set_zlabel(r"Source - Tilted X", rotation=180)
-ax.view_init(elev=15, azim=20)
-plt.show()
-
-Z3 = np.log10(z3)
-fig, ax = plt.subplots(subplot_kw={"projection": "3d"}, dpi=300, figsize=(12, 10))
-ax.plot_surface(Y, X, z3, edgecolor="b", linewidth=0.5, cmap="viridis")
-ax.set_xlabel("x")
-ax.set_ylabel("y")
-ax.set_zlabel(r"Source - Tilted Y", rotation=180)
-ax.view_init(elev=15, azim=20)
-plt.show()
-
-Z4 = np.log10(z4)
-fig, ax = plt.subplots(subplot_kw={"projection": "3d"}, dpi=300, figsize=(12, 10))
-ax.plot_surface(Y, X, z4, edgecolor="b", linewidth=0.5, cmap="viridis")
-ax.set_xlabel("x")
-ax.set_ylabel("y")
-ax.set_zlabel(r"Source - Tilted X,Y", rotation=180)
-ax.view_init(elev=15, azim=20)
-plt.show()
-
-# =============================================================================
-# Scipy Interpolate plots
-# =============================================================================
-
-from scipy.interpolate import RegularGridInterpolator
-
-X, Y = np.meshgrid(x_mid, x_mid)
-interp = RegularGridInterpolator(
-    (x_mid, x_mid), q, method="linear", bounds_error=False, fill_value=None
-)
-result = interp(points)
-result = np.reshape(result, (Nx, Ny))
-X, Y = np.meshgrid(x, y)
-fig, ax = plt.subplots(subplot_kw={"projection": "3d"}, dpi=300, figsize=(12, 10))
-ax.plot_surface(Y, X, np.log10(result), edgecolor="b", linewidth=0.5, cmap="viridis")
-ax.set_xlabel("x")
-ax.set_ylabel("y")
-ax.set_zlabel(r"Source")
-ax.view_init(elev=15, azim=20)
-# plt.xlim((0,10))
-# plt.ylim((0,10))
-plt.title("Source - Scipy Interp. X, Y, XY")
 plt.show()
diff --git a/examples/fixed_source/inf_hdpe_iqmc/HDPE/D_12G_HDPE.csv b/examples/fixed_source/inf_hdpe_iqmc/HDPE/D_12G_HDPE.csv
deleted file mode 100644
index 9be3ca93..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/HDPE/D_12G_HDPE.csv
+++ /dev/null
@@ -1,12 +0,0 @@
-6.269442407290791053e+00
-5.393556856621185780e+00
-4.274584869582430002e+00
-2.870042958497598384e+00
-1.883455832731082191e+00
-1.203933532770413928e+00
-7.292351459099583044e-01
-4.799050830986973382e-01
-3.635901034315170977e-01
-3.155700105004432543e-01
-2.970505307233495818e-01
-2.893465974506593263e-01
diff --git a/examples/fixed_source/inf_hdpe_iqmc/HDPE/Scat_12G_HDPE.csv b/examples/fixed_source/inf_hdpe_iqmc/HDPE/Scat_12G_HDPE.csv
deleted file mode 100644
index a7a29a64..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/HDPE/Scat_12G_HDPE.csv
+++ /dev/null
@@ -1,12 +0,0 @@
-1.334151993189741300e-02,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-1.110650719937275599e-02,1.484916919295316273e-02,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-1.053837413948423458e-02,1.870389755333026760e-02,2.253221526634388572e-02,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-8.567210411278577617e-03,1.445275107954792360e-02,2.989333155960674851e-02,4.662811179135290668e-02,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-4.100305239438383452e-03,6.277755132324696653e-03,1.388445482413599476e-02,4.050851568681469728e-02,6.830348806947485196e-02,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-2.699131538537213101e-03,3.876106808595280399e-03,7.234055136811592089e-03,2.055544038772569651e-02,7.140274085797508608e-02,1.282851746225865674e-01,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-1.232602951783819687e-03,1.611284864892969680e-03,2.591424755391343385e-03,7.597068544289146096e-03,2.499072058264244223e-02,9.925423388777832034e-02,2.081172197778242416e-01,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-4.124100622592566595e-04,5.610792256655693739e-04,9.537006738845994151e-04,2.777942594939304243e-03,9.212126316212066249e-03,3.499212930004284849e-02,1.645866901017251638e-01,3.098376823745143671e-01,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-1.269631712627834524e-04,1.874394874881495847e-04,3.497909936655281657e-04,1.016901202879264780e-03,3.388132579926314732e-03,1.287102888213230087e-02,5.850494914972402538e-02,2.499335598841757045e-01,4.061470151844644993e-01,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
-4.146669257787518264e-05,6.482893694346368802e-05,1.279564254308332546e-04,3.716503739851435340e-04,1.241373087200701563e-03,4.715963703931650049e-03,2.143766568623491769e-02,8.932269185453069194e-02,3.269727852597164031e-01,4.677505835076816165e-01,-0.000000000000000000e+00,-0.000000000000000000e+00
-1.446866336083170517e-05,2.325226208930476768e-05,4.705339633955184063e-05,1.366266833613154674e-04,4.568220819077066486e-04,1.735484664356683410e-03,7.889279017900367730e-03,3.287225379229724576e-02,1.179691845796226185e-01,3.751320745062756701e-01,4.981553769961465927e-01,-0.000000000000000000e+00
-7.090191146320424270e-06,1.153951502062724407e-05,2.360856783335970704e-05,6.854340796791712307e-05,2.292836838304767482e-04,8.710696050484713175e-04,3.959788896768070936e-03,1.649937630428657820e-02,5.921179016651618304e-02,1.850030256356753888e-01,5.403779829123985801e-01,8.081681095670927295e-01
diff --git a/examples/fixed_source/inf_hdpe_iqmc/HDPE/Siga_12G_HDPE.csv b/examples/fixed_source/inf_hdpe_iqmc/HDPE/Siga_12G_HDPE.csv
deleted file mode 100644
index 8ce56620..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/HDPE/Siga_12G_HDPE.csv
+++ /dev/null
@@ -1,12 +0,0 @@
-1.039773737506125310e-03
-1.298598835897585291e-03
-1.251628915459136954e-03
-2.232399903718903303e-06
-2.354251726366774652e-06
-2.220566003781338333e-06
-2.810203855975818708e-06
-5.465927093183564288e-06
-1.465115894524601705e-04
--3.686367604710159840e-03
--1.413002836367041766e-04
-7.135437977273252999e-05
diff --git a/examples/fixed_source/inf_hdpe_iqmc/HDPE/group_centers_12G_HDPE.csv b/examples/fixed_source/inf_hdpe_iqmc/HDPE/group_centers_12G_HDPE.csv
deleted file mode 100644
index a3042ae2..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/HDPE/group_centers_12G_HDPE.csv
+++ /dev/null
@@ -1,12 +0,0 @@
-1.525000000000000000e+01
-1.175000000000000000e+01
-8.035000000000000142e+00
-4.467499999999999361e+00
-2.108999999999999986e+00
-9.264999999999999902e-01
-3.419999999999999707e-01
-1.257999999999999952e-01
-4.619999999999999801e-02
-1.695999999999999938e-02
-6.234999999999999223e-03
-1.901999999999999828e-03
diff --git a/examples/fixed_source/inf_hdpe_iqmc/HDPE/group_edges_12G_HDPE.csv b/examples/fixed_source/inf_hdpe_iqmc/HDPE/group_edges_12G_HDPE.csv
deleted file mode 100644
index 822d2c32..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/HDPE/group_edges_12G_HDPE.csv
+++ /dev/null
@@ -1,13 +0,0 @@
-1.700000000000000000e+01
-1.350000000000000000e+01
-1.000000000000000000e+01
-6.069999999999999396e+00
-2.864999999999999769e+00
-1.352999999999999980e+00
-5.000000000000000000e-01
-1.839999999999999969e-01
-6.759999999999999343e-02
-2.479999999999999913e-02
-9.119999999999999635e-03
-3.349999999999999679e-03
-4.539999999999999765e-04
diff --git a/examples/fixed_source/inf_hdpe_iqmc/HDPE/nuSigf_12G_HDPE.csv b/examples/fixed_source/inf_hdpe_iqmc/HDPE/nuSigf_12G_HDPE.csv
deleted file mode 100644
index ec17ce77..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/HDPE/nuSigf_12G_HDPE.csv
+++ /dev/null
@@ -1,12 +0,0 @@
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
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--0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00,-0.000000000000000000e+00
diff --git a/examples/fixed_source/inf_hdpe_iqmc/input.py b/examples/fixed_source/inf_hdpe_iqmc/input.py
deleted file mode 100644
index de9b4e30..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/input.py
+++ /dev/null
@@ -1,69 +0,0 @@
-import numpy as np
-import os
-import mcdc
-
-# Infinite medium of high-density polyethylene (HDPE)
-
-# =============================================================================
-# Import Cross Section Data
-# =============================================================================
-G = 12  # G must be 12, 70, or 618
-
-script_dir = os.path.dirname(__file__)  # <-- absolute dir the script is in
-rel_path = "./HDPE/"
-abs_file_path = os.path.join(script_dir, rel_path)
-D = np.genfromtxt(abs_file_path + "D_{}G_HDPE.csv".format(G), delimiter=",")
-SigmaA = np.genfromtxt(abs_file_path + "Siga_{}G_HDPE.csv".format(G), delimiter=",")
-SigmaS = np.genfromtxt(abs_file_path + "Scat_{}G_HDPE.csv".format(G), delimiter=",")
-SigmaS = np.flip(SigmaS, 1)
-
-# =============================================================================
-# Set Model
-# =============================================================================
-
-# x-bounds
-LB = 0.0
-RB = 5.0
-# Set material
-m1 = mcdc.material(capture=SigmaA, scatter=SigmaS)
-
-# Set surfaces
-s1 = mcdc.surface("plane-x", x=LB, bc="reflective")
-s2 = mcdc.surface("plane-x", x=RB, bc="reflective")
-
-# Set cells
-mcdc.cell([+s1, -s2], m1)
-
-
-# =============================================================================
-# iQMC Parameters
-# =============================================================================
-
-Nx = 5
-fixed_source = np.ones((G, Nx))
-# material_idx = np.zeros(Nx, dtype=int)
-phi0 = np.ones((G, Nx))
-
-mcdc.iQMC(
-    g=np.ones((0, G)),
-    x=np.linspace(LB, RB, num=Nx + 1),
-    fixed_source=fixed_source,
-    phi0=phi0,
-    maxitt=25,
-    tol=1e-3,
-    generator="halton",
-)
-
-# =============================================================================
-# Set tally, setting, and run mcdc
-# =============================================================================
-
-# weight roulette
-chance = 0.9
-threshold = 1e-3
-mcdc.weight_roulette(chance, threshold)
-# Setting
-mcdc.setting(N_particle=1e3)
-
-# Run
-mcdc.run()
diff --git a/examples/fixed_source/inf_hdpe_iqmc/process.py b/examples/fixed_source/inf_hdpe_iqmc/process.py
deleted file mode 100644
index fb71aee3..00000000
--- a/examples/fixed_source/inf_hdpe_iqmc/process.py
+++ /dev/null
@@ -1,27 +0,0 @@
-import numpy as np
-import matplotlib.pyplot as plt
-import h5py
-
-
-with h5py.File("output.h5", "r") as f:
-    phi = f["tally/iqmc_flux"][:]
-    x = f["iqmc/grid/x"][:]
-    dx = x[1] - x[0]
-    x_mid = 0.5 * (x[:-1] + x[1:])
-    f.close()
-
-
-# =============================================================================
-# Plot
-# =============================================================================
-
-Nx = phi.shape[1]
-G = phi.shape[0]
-# Flux - spatial average
-plt.figure(dpi=300, figsize=(8, 5))
-# plt.plot(x_mid,phi_ref,label='Sol')
-for i in range(G):
-    plt.plot(x_mid, phi[i, :], label="iQMC")
-plt.ylabel(r"$\phi(x)$")
-plt.xlabel(r"$x$")
-plt.grid()
diff --git a/examples/fixed_source/slab_reed_iqmc/input.py b/examples/fixed_source/slab_reed_iqmc/input.py
index e35146f9..e470fb6d 100644
--- a/examples/fixed_source/slab_reed_iqmc/input.py
+++ b/examples/fixed_source/slab_reed_iqmc/input.py
@@ -37,8 +37,8 @@
 # =============================================================================
 # iQMC Parameters
 # =============================================================================
-N = 1000
-Nx = 32
+N = 10000
+Nx = 64
 maxit = 20
 tol = 1e-4
 x = np.linspace(-8, 8, num=Nx + 1)
diff --git a/examples/fixed_source/slab_reed_iqmc/process.py b/examples/fixed_source/slab_reed_iqmc/process.py
index d1955653..f393b0c1 100644
--- a/examples/fixed_source/slab_reed_iqmc/process.py
+++ b/examples/fixed_source/slab_reed_iqmc/process.py
@@ -3,15 +3,27 @@
 import h5py
 from scipy.integrate import quad
 
+# =============================================================================
+# Import data
+# =============================================================================
+
+with h5py.File("output.h5", "r") as f:
+    phi = f["iqmc/tally/flux"][:]
+    x = f["iqmc/grid/x"][:]
+    mesh = f["iqmc/grid/x"][:]
+    dx = x[1] - x[0]
+    x_mid = 0.5 * (x[:-1] + x[1:])
+    f.close()
+
 # =============================================================================
 # Reference solution (not accurate enough for N_hist > 1E7)
 # =============================================================================
 
 
 def reeds_sol(Nx=80, LB=-8.0, RB=8.0):
-    # =============================================================================
+    # =========================================================================
     # Reference solution
-    # =============================================================================
+    # =========================================================================
     def phi1(x):
         return (
             1.0
@@ -105,20 +117,6 @@ def f_phi(x1, x2):
     return phi_ref
 
 
-with h5py.File("output.h5", "r") as f:
-    phi = f["iqmc/tally/flux"][:]
-    # q = f["iqmc/tally/source/constant"][:][0, 0, :, 0, 0]
-    # qdot = f["iqmc/tally/source_x"][:][0, 0, :, 0, 0]
-    x = f["iqmc/grid/x"][:]
-    mesh = f["iqmc/grid/x"][:]
-    dx = x[1] - x[0]
-    x_mid = 0.5 * (x[:-1] + x[1:])
-    lowX = x[:-1]
-    highX = x[1:]
-    Nx = x_mid.size
-    f.close()
-
-Nx = 27
 phi_ref = reeds_sol(Nx=x_mid.size, LB=-8.0, RB=8.0)
 
 
@@ -128,33 +126,9 @@ def f_phi(x1, x2):
 
 # Flux - spatial average
 plt.figure(dpi=300, figsize=(8, 5))
-# plt.plot(x_mid,phi_ref,label='Sol')
+plt.plot(x_mid, phi_ref, label="Sol")
 plt.plot(x_mid, phi, label="iQMC")
 plt.ylabel(r"$\phi(x)$")
 plt.xlabel(r"$x$")
 plt.grid()
-
-# =============================================================================
-# Plot piecewise source
-# =============================================================================
-source_tilt = False
-
-# plt.figure(figsize=(6, 4), dpi=300)
-# plt.title("MCDC")
-# x = np.linspace(4, 8, num=1000)
-# n = len(x)
-# conditions = [(mesh[i] <= x) & (x <= mesh[i + 1]) for i in range(48, Nx)]
-# y1 = np.piecewise(x, conditions, q[48:Nx])
-# plt.plot(x, y1, label=r"$a_j$")
-# if source_tilt:
-#     y2 = np.zeros_like(x)
-#     for i in range(n):
-#         zone = np.argmax((x[i] > lowX) * (x[i] <= highX))
-#         mid = x_mid[zone]
-#         y2[i] = q[zone] + qdot[zone] * (x[i] - mid)
-#     plt.plot(x, y2, label=r"$a_j + b_j(x)$")
-# for i in range(48, Nx):
-#     plt.axvline(mesh[i], linestyle="--", color="black")
-# plt.legend()
-# plt.tight_layout()
-# plt.ylim((-0.1, 3.0))
+plt.legend()