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SAP Function Module RMMATH_DEFINITENESS_CHECK

This function module tests whether the matrices are positive definite

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The Function Module RMMATH_DEFINITENESS_CHECK (This function module tests whether the matrices are positive definite) is a standard Function Module in SAP ERP and is part of the function group RMMATH within the package FTBB.

Technical Information

Function Module RMMATH_DEFINITENESS_CHECK
Short Text This function module tests whether the matrices are positive definite
Function Group RMMATH
Package FTBB
Module Type Normal Module

Importing Parameters

These are the IMPORTING parameters of this function module.

Parameter Name Type Associated Type Default Value Short Text
IT_MATRIX TYPE VTVVKMATRIX_TAB Symmetrical Matrix

Exporting Parameters

These are the EXPORTING parameters of this function module.

Parameter Name Type Associated Type Default Value Short Text
ET_EIGENVALUE TYPE VTVVKMATRIX_TAB Eigenvalue of Matrix
ET_EIGENVECTOR TYPE VTVVKMATRIX_TAB Eigenvector of Matrix

Changing Parameters

This function module does not define any CHANGING parameters.

Table Parameters

This function module does not define any TABLE parameters.

Exceptions

These are the Exceptions of this function module.

Exception Name Short Text
INVALID_MATRIX Matrix contains errors
NOT_POS_DEFINIT Matrix is not positive definite
TOO_MANY_ITERATIONS_IN_JACOBY Jacobi method does not converge