ITK/Examples/Math/MatrixInverse

MatrixInverse.cxx

<source lang="cpp">

1. include <itkMatrix.h>

1. include <iostream>

int main() {

 typedef itk::Matrix<double, 2, 2> MatrixType;
 MatrixType M;
 M(0,0) = 1.0;
 M(0,1) = 2.0;
 M(1,0) = 3.0;
 M(1,1) = 5.0;

 std::cout << "M: " << M << std::endl;

 MatrixType Minv( M.GetInverse() );

 std::cout << "Inverse: " << Minv << std::endl;

}

</source>

Please try the new VTKExamples website.

CMakeLists.txt

<syntaxhighlight lang="cmake"> cmake_minimum_required(VERSION 2.8)

PROJECT(MatrixInverse)

find_package(VTK REQUIRED) include(${VTK_USE_FILE})

add_executable(MatrixInverse MACOSX_BUNDLE MatrixInverse.cxx)

if(VTK_LIBRARIES)

 target_link_libraries(MatrixInverse ${VTK_LIBRARIES})

else()

 target_link_libraries(MatrixInverse vtkHybrid vtkWidgets)

endif() </syntaxhighlight>

Download and Build MatrixInverse

Click here to download MatrixInverse. and its CMakeLists.txt file.

Once the tarball MatrixInverse.tar has been downloaded and extracted,

cd MatrixInverse/build 

• If VTK is installed:

cmake ..

• If VTK is not installed but compiled on your system, you will need to specify the path to your VTK build:

cmake -DVTK_DIR:PATH=/home/me/vtk_build ..

Build the project:

make

and run it:

./MatrixInverse

WINDOWS USERS PLEASE NOTE: Be sure to add the VTK bin directory to your path. This will resolve the VTK dll's at run time.