ITK  4.8.0 Insight Segmentation and Registration Toolkit
WikiExamples/Math/Matrix.cxx
#include <itkMatrix.h>
#include <itkVector.h>
#include <iostream>
static void Construct();
//static void ConstructRunTimeDims();
static void Multiply();
//static void Inverse();
int main(int, char *[])
{
Construct();
Multiply();
return EXIT_SUCCESS;
}
void Construct()
{
typedef itk::Matrix<double, 3, 3> MatrixType;
MatrixType M;
M(0,0) = 1.0;
M(0,1) = 2.0;
M(0,2) = 3.0;
M(1,0) = 4.0;
M(1,1) = 5.0;
M(1,2) = 6.0;
M(2,0) = 7.0;
M(2,1) = 8.0;
M(2,2) = 9.0;
std::cout << "M: " << M << std::endl;
}
/*
void ConstructRunTimeDims()
{
int matrixSize = 3;
typedef itk::Matrix<double, matrixSize, matrixSize> MatrixType;
MatrixType M;
M(0,0) = 1.0;
M(0,1) = 2.0;
M(0,2) = 3.0;
M(1,0) = 4.0;
M(1,1) = 5.0;
M(1,2) = 6.0;
M(2,0) = 7.0;
M(2,1) = 8.0;
M(2,2) = 9.0;
std::cout << "M: " << M << std::endl;
}
*/
void Multiply()
{
typedef itk::Matrix<double, 3, 3> MatrixType;
MatrixType M;
M(0,0) = 1.0;
M(0,1) = 2.0;
M(0,2) = 3.0;
M(1,0) = 4.0;
M(1,1) = 5.0;
M(1,2) = 6.0;
M(2,0) = 7.0;
M(2,1) = 8.0;
M(2,2) = 9.0;
std::cout << "M: " << M << std::endl;
typedef itk::Vector<double, 3> VectorType;
VectorType V;
V[0] = 1.0;
V[1] = 2.0;
V[2] = 3.0;
std::cout << "V: " << V << std::endl;
std::cout << "MV: " << M*V << std::endl;
}
/*
void Inverse()
{
}
*/