Course 4 Week 1 Assignment 1 Grading Issue

Course Q&A Deep Learning Specialization Convolutional Neural Networks
1

So I have passed all the tests in all graded cells in assignment 1, however I received 75/100 with the following comment:

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I am sure I passed all tests, and I reviewed and re-submitted the assignment but had the same problem. Here is a screenshot from the last graded cell output:

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Please help :upside_down_face:

2

The same happens to me. I don’t understand from the grader output where is the problem

4

I figured it out. It was the way I casted the Z matrix to float in “conv_single_step” function. Apparently you are supposed to only cast the b vector and do not apply any transformation on the Z matrix.

5

Thanks, but I suppose my issue is different, because I already cast only the b vector to float

6

Same here. I only cast b to float and all other tests are passed. Not sure where’s the problem.