src/utils/matrix/AbstractMatrix.java
public Matrix subtract(double constant) throws MatrixException {
        Matrix result = getNewMatrix();
        subtract(constant, result);
        return result;
    }
/**
     * Subtracts constant number from this matrix.<br>
     * Applies masking element wise if this matrix is masked.<br>
     *
     * @param constant contains constant value to be subtracted.
     * @return matrix which stores operation result.
     * @throws MatrixException not thrown in any situation.
     */
Subtracts constant number from this matrix.
Applies masking element wise if this matrix is masked.

@param constant contains constant value to be subtracted.
@return matrix which stores operation result.
@throws MatrixException not thrown in any situation.
Subtracts constant number from this matrix . Applies masking element wise if this matrix is masked . @param constant contains constant value to be subtracted . @return matrix which stores operation result . @throws MatrixException not thrown in any situation .
public Matrix subtract(double constant) throws MatrixException {
        Matrix result = getNewMatrix();
        subtract(constant, result);
        return result;
    }
public Matrix subtract ( double constant ) throws MatrixException { Matrix result = getNewMatrix ( ) ; subtract ( constant , result ) ; return result ; }
Subtracts constant number from this matrix.<br>
 Applies masking element wise if this matrix is masked.<br>
Subtracts constant number from this matrix . <br > Applies masking element wise if this matrix is masked . <br >