import { Matrix, mMinor } from 'mz-math'; const m: Matrix = [ [4, 3, 2, 2], [0, 1, -3, 3], [0, -1, 3, 3], [0, 3, 1, 1], ]; // get minor for the row = 0 and column = 0 const minor: Matrix = mMinor(m, 0, 0); // -60