eigen/doc/snippets/MatrixBase_extract.cpp
Gael Guennebaud c10f069b6b * Merge Extract and Part to the Part expression.
Renamed "MatrixBase::extract() const" to "MatrixBase::part() const"
* Renamed static functions identity, zero, ones, random with an upper case
  first letter: Identity, Zero, Ones and Random.
2008-07-21 00:34:46 +00:00

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Matrix3i m = Matrix3i::Random();
cout << "Here is the matrix m:" << endl << m << endl;
cout << "Here is the upper-triangular matrix extracted from m:" << endl
<< m.part<Eigen::Upper>() << endl;
cout << "Here is the strictly-upper-triangular matrix extracted from m:" << endl
<< m.part<Eigen::StrictlyUpper>() << endl;
cout << "Here is the unit-lower-triangular matrix extracted from m:" << endl
<< m.part<Eigen::UnitLower>() << endl;