triu.h File Reference

Returns the upper triangle of a dense Matrix. More...

#include <myramath/MYRAMATH_EXPORT.h>
#include <myramath/utility/Number.h>

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Classes
class	myra::Matrix< Number >
	Tabulates an IxJ matrix. Allows random access, has column major layout to be compatible with BLAS/LAPACK. More...
class	myra::CMatrixRange< Number >
	Represents a const MatrixRange. More...

Functions
Matrix< NumberS >	myra::triu (const CMatrixRange< NumberS > &A)
	Returns the upper triangle of a dense CMatrixRange.
Matrix< NumberD >	myra::triu (const CMatrixRange< NumberD > &A)
	Returns the upper triangle of a dense CMatrixRange.
Matrix< NumberC >	myra::triu (const CMatrixRange< NumberC > &A)
	Returns the upper triangle of a dense CMatrixRange.
Matrix< NumberZ >	myra::triu (const CMatrixRange< NumberZ > &A)
	Returns the upper triangle of a dense CMatrixRange.

Detailed Description

Returns the upper triangle of a dense Matrix.

Examples:

   [1 2 3]      [1 2 3]

triu ( [4 5 6] ) -> [0 5 6] [7 8 9] [0 0 9]

triu ( [1 2 3] ) -> [1 2 3] [4 5 6] [0 5 6]

    [1 2]       [1 2]

triu ( [3 4] ) -> [0 4] [5 6]

Note that triu() crops excess rows.