OP was talking about this: https://www.math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf https://www.math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf Look into some

OP was talking about this: https://www.math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf https://www.math.uwaterloo.ca/~hwolkowi/matrixcookbook.pdf Look into some examples of the section 2.4 "Derivatives of Matrices, Vectors and Scalar Forms"