| Addition(Complex, DoubleMatrix) | Determines the addition of a scalar to a matrix. | 
| Addition(Double, DoubleMatrix) | Determines the addition of a scalar to a matrix. | 
| Addition(DoubleMatrix, DoubleMatrix) | Determines the sum of two matrices. | 
| Addition(DoubleMatrix, Double) | Determines the addition of a matrix to a scalar. | 
| Addition(DoubleMatrix, Complex) | Determines the addition of a matrix to a scalar. |