Error computing R_train

Numpy doesn’t allow me to elementwise square a matrix of different dimensions…
Any help would be appreciated.

Hi @Damien_Fournier,

Can you share your lab ID with me ? In the assignment, when you click the top right “Help” button, a panel will open and your lab ID will be shown at the bottom.

I shall take a look.

When you reply back, kindly tag me in the post so that I’m notified.


Hi @Mubsi ,
here is my lab ID: lspsjcxa

Hi @Damien_Fournier,

In your Ex 2, you were using python functions to calculate square and sum. You had to use Numpy functions.


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