CONTENTS

Solution: Forward Pass for a Tiny Network

Exercise: Forward Pass for a Tiny Network

Solution

z1 has shape (5,4), h has shape (5,4), and y_hat has shape (5,1). Matrix dimensions are the quickest neural-network sanity check.

Takeaways

  • State the assumption that makes the method valid before trusting the result.
  • Connect the computation back to the finance workflow, not only to the code.
  • Check whether the result depends on average-case behaviour, validation design, or numerical safeguards.
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