问特征初始化布尔阵列

EN

#include <Eigen/Dense>
using namespace Eigen;

typedef Array<bool,Dynamic,1> ArrayXb;
ArrayXb a = ArrayXb::Constant(5,true);
ArrayXb b(5);
b.setConstant(true);         // no-resizing
b.fill(true);                // alias for setConstant
b.setConstant(10,true);      // resize and initialize
Array<bool, 5, 1> c(true);

#include <iostream>
#include <Eigen/Dense>

using namespace Eigen;

int main()
{
  Array<bool, 1, 5> false_array(5);
  false_array = Array<bool, 1, 5>::Zero(5);

  Array<bool, 1, 5> true_array(5);
  true_array = Array<bool, 1, 5>::Ones(5);

  return 0;
}

Eigen::Array<bool,1,5> v;
v << true, true, false, true, true;