Hello everyone! I am trying to calculate cost function J value by this method:
and get the following error:
But I inserted those very 2 lines of code from the method description. Then why the expected result differs from my output?
Hello everyone! I am trying to calculate cost function J value by this method:
and get the following error:
But I inserted those very 2 lines of code from the method description. Then why the expected result differs from my output?
Reread the instructions. The formula you pictured is only part of the whole cost function. The entire function you need to implement is just above where you screenshotted.
Fixed that. Everything works now. Thank you, Christopher.