!include once #1035331 // EJML Include (Matrix library)

static double[][] ejmlMatrixToArray(DMatrixRMaj matrix) {
  int w = matrix.getNumCols(), h = matrix.getNumRows();
  double[][] array = new double[h][w];

  for y to h:
    for x to w:
      array[y][x] = matrix.get(y, x);
  
  ret array;
}

Began life as a copy of #1035324