IBM Visualization Data Explorer Programmer's Reference

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DXConcatenate, DXInvert, DXTranspose, DXAdjointTranspose, DXDeterminant, DXApply

Function

Apply standard matrix operations.

Syntax

#include <dx/dx.h>

Matrix DXConcatenate(Matrix s, Matrix t)
Matrix DXInvert(Matrix t)
Matrix DXTranspose(Matrix t)
Matrix DXAdjointTranspose(Matrix t)
float DXDeterminant(Matrix t)
Vector DXApply(Vector v, Matrix t)

Functional Details

DXConcatenate returns a Matrix that is equivalent to transformation matrix s followed by transformation matrix t.

DXInvert, DXTranspose, DXAdjointTranspose, and DXDeterminant compute the matrix inverse, transpose, and adjoint transpose, and determinant, respectively.

DXApply applies matrix transformation t to v.

A Matrix is defined as follows:

typedef struct matrix {
/* xA + b * /
float A[3][3]
float b[3];
} Matrix

A Point and Vector is defined as follows:

typedef struct point {
float x, y, z;
} Point, Vector;

Return Value

Always returns the result of the operation.

See Also

DXApplyTransform, DXRotateX, DXRotateY, DXRotateZ, DXScale, DXTranslate, DXMat

"Basic Operations".


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