| Subtraction(Complex, DoubleMatrix) | Determines the subtraction of a matrix from a scalar. | 
| Subtraction(Double, DoubleMatrix) | Determines the subtraction of a matrix from a scalar. | 
| Subtraction(DoubleMatrix, DoubleMatrix) | Determines the difference between two matrices. | 
| Subtraction(DoubleMatrix, Double) | Determines the subtraction of a scalar from a matrix. | 
| Subtraction(DoubleMatrix, Complex) | Determines the subtraction of a scalar from a matrix. |