Why we use w transpose not normal w?

Course Q&A Deep Learning Specialization Neural Networks and Deep Learning
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Why we use w transpose not normal w??

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Hi @AbdallahOsama ,

By transposing W, the matrix multiplication can take place. When doing matrix multiplication where the number of columns of the first matrix needs to match up with the number of rows of the second matrix. If this rule is not satisfied, we will encounter error.

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