Input must be a 2-D matrix. Second input must be a vector of column indices. Inputs must be non-sparse. Inputs must be real. Complex integers not supported. Second argument must be double. Number of columns in both inputs must be same. First argument must be numeric, logical, or char. Third argument must be 0, 1, or 2. Fourth argument must be 0, 1, or 2. Second argument must contain valid integer column indices.