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sub_matrix_modSubMatrixModSubMatrixModsub_matrix_modT_sub_matrix_mod🔗

Short description🔗

sub_matrix_modSubMatrixModSubMatrixModsub_matrix_modT_sub_matrix_mod — Subtract two matrices.

Signature🔗

sub_matrix_mod( matrix MatrixAID, matrix MatrixBID )void SubMatrixMod( const HTuple& MatrixAID, const HTuple& MatrixBID )static void HOperatorSet.SubMatrixMod( HTuple matrixAID, HTuple matrixBID )def sub_matrix_mod( matrix_aid: HHandle, matrix_bid: HHandle ) -> None

Herror T_sub_matrix_mod( const Htuple MatrixAID, const Htuple MatrixBID )

void HMatrix::SubMatrixMod( const HMatrix& MatrixBID ) const

void HMatrix.SubMatrixMod( HMatrix matrixBID )

Description🔗

The operator sub_matrix_modSubMatrixMod computes the difference of the input matrices MatrixA and MatrixB given by the matrix handles MatrixAIDmatrixAIDmatrix_aid and MatrixBIDmatrixBIDmatrix_bid. Both matrices must have identical dimensions. The input matrix MatrixA is overwritten with the result. Access to the elements of the matrix is possible e.g., with the operator get_full_matrixGetFullMatrix. The formula for the calculation of the result is:

\[\begin{eqnarray*} \texttt{MatrixA} \quad = \quad \texttt{MatrixA} \quad - \quad \texttt{MatrixB}. \end{eqnarray*}\]

Example:

\[\begin{eqnarray*} \texttt{MatrixA} = \left[ \begin{array}{rrr} 3.0 & 1.0 & -2.0 \\ -5.0 & 7.0 & 2.0 \\ -9.0 & -4.0 & 1.0 \end{array} \right] \qquad \texttt{MatrixB} = \left[ \begin{array}{rrr} 2.0 & 8.0 & -3.0 \\ -4.0 & -1.0 & 5.0 \\ 2.0 & -4.0 & 7.0 \end{array} \right] \end{eqnarray*}\]
\[\begin{eqnarray*} \to \qquad \texttt{MatrixA} = \left[ \begin{array}{rrr} 1.0 & -7.0 & 1.0 \\ -1.0 & 8.0 & -3.0 \\ -11.0 & 0.0 & -6.0 \end{array} \right] \end{eqnarray*}\]

Execution information🔗

Execution information

  • Multithreading type: reentrant (runs in parallel with non-exclusive operators).

  • Multithreading scope: global (may be called from any thread).

  • Processed without parallelization.

This operator modifies the state of the following input parameter:

During execution of this operator, access to the value of this parameter must be synchronized if it is used across multiple threads.

Parameters🔗

MatrixAIDmatrixAIDmatrix_aid (input_control, state is modified) matrix → (handle)HTuple (HHandle)HMatrix, HTuple (IntPtr)HHandleHtuple (handle)

Matrix handle of the input matrix A.

MatrixBIDmatrixBIDmatrix_bid (input_control) matrix → (handle)HTuple (HHandle)HMatrix, HTuple (IntPtr)HHandleHtuple (handle)

Matrix handle of the input matrix B.

Result🔗

If the parameters are valid, the operator sub_matrix_modSubMatrixMod returns the value 2 (H_MSG_TRUE). If necessary, an exception is raised.

Combinations with other operators🔗

Combinations

Possible predecessors

create_matrixCreateMatrix

Possible successors

get_full_matrixGetFullMatrix, get_value_matrixGetValueMatrix

Alternatives

sub_matrixSubMatrix

See also

add_matrixAddMatrix, add_matrix_modAddMatrixMod

Module🔗

Foundation