A layer stores its parameters as a matrix , while a second bank of numbers arrives from a different source already laid out as a matrix :
Form the matrix
Rows and columns are numbered starting at . Report
Give your answer as an exact whole number. It may be negative.
Once you get it right, the reasoning behind the answer shows up here.
Drag a cell in M. Transposing doesn't just relabel — it can change how many vectors you have, and how many dimensions each one has.
M's 3 columns were 2D vectors in a plane. Mᵀ's 2 columns (M's old rows) are 3D vectors in space — transposing changed both the count and the dimension.