https://github.com/HTDerekLiu/surface_multigrid_code
Tip revision: a827578755d864df68b103c71048c7da7a00ce59 authored by HTDerekLiu on 09 August 2021, 18:36:04 UTC
add a faster example
add a faster example
Tip revision: a827578
remove_row.cpp
#include "remove_row.h"
void remove_row(
const int rowToRemove,
Eigen::MatrixXd & matrix)
{
unsigned int numRows = matrix.rows()-1;
unsigned int numCols = matrix.cols();
if( rowToRemove < numRows )
matrix.block(rowToRemove,0,numRows-rowToRemove,numCols) = matrix.block(rowToRemove+1,0,numRows-rowToRemove,numCols);
matrix.conservativeResize(numRows,numCols);
}
void remove_row(
const int rowToRemove,
Eigen::MatrixXi & matrix)
{
unsigned int numRows = matrix.rows()-1;
unsigned int numCols = matrix.cols();
if( rowToRemove < numRows )
matrix.block(rowToRemove,0,numRows-rowToRemove,numCols) = matrix.block(rowToRemove+1,0,numRows-rowToRemove,numCols);
matrix.conservativeResize(numRows,numCols);
}