Adding • Always • Another • Check • Checking • Columns • Depends • Determinant • Diagonal • Either • Elements • Equal • From • Have • Identity • Integer • Interchanged • Its • Length • Matrix • Must • Necessarily • Non • Number • Ones • Orthonormal • Perpendicular • Product • Random • Real • Rectangular • Represented • Result • Rotate • Rows • Same • Singular • Size • Square • Subtracting • Sum • Time • Transpose • Used • Vector • Vectors • Where • Yes • Zero • Zeros