diff --git a/lectures/01/lecture01a_intro.pdf b/lectures/01/lecture01a_intro.pdf new file mode 100644 index 000000000..a3ad64e5f Binary files /dev/null and b/lectures/01/lecture01a_intro.pdf differ diff --git a/lectures/01/lecture01b_regression.pdf b/lectures/01/lecture01b_regression.pdf new file mode 100644 index 000000000..a558d64f4 Binary files /dev/null and b/lectures/01/lecture01b_regression.pdf differ diff --git a/lectures/01/lecture01c_linear_regression.pdf b/lectures/01/lecture01c_linear_regression.pdf new file mode 100644 index 000000000..76aa52d45 Binary files /dev/null and b/lectures/01/lecture01c_linear_regression.pdf differ diff --git a/lectures/01/lecture01d_cost_functions.pdf b/lectures/01/lecture01d_cost_functions.pdf new file mode 100644 index 000000000..6a7a23c78 Binary files /dev/null and b/lectures/01/lecture01d_cost_functions.pdf differ