column

Header: <pressio/expressions.hpp>

API

namespace pressio {

template <class T, class IndexType>
/*impl defined*/ column(T & operand, IndexType colIndex);

} // end namespace pressio

Description

• Takes in an operand, as well as the index of the specified column colIndex

  • operand is either:

    • an Eigen dense matrix

    • a Tpetra or Tpetra Block multivector

• Returns an expression object that represents the specified column from the operand.