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equation bugs #31

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alongwithyou opened this issue May 3, 2018 · 1 comment
Open

equation bugs #31

alongwithyou opened this issue May 3, 2018 · 1 comment

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@alongwithyou
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I found delta6=1-delta5,but there are equation:
f(zt)=1-zt, delta6 to delata5 will be delta5*(1-zt)' and will be equal to -zt, that means : delta6=-delta5, not 1-delta5, is it right?
thanks.
@mratsim
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mratsim commented May 12, 2018 •
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The equation for delta 6 is indeed wrong.

For manually implemented backprop, tests should include numerical gradient check to catch those issues.

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@alongwithyou @mratsim