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21 lines
413 B
21 lines
413 B
2 years ago
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#include <Eigen/Dense>
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#include <iostream>
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using namespace std;
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int main()
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{
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Eigen::MatrixXf m(4,4);
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m << 1, 2, 3, 4,
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5, 6, 7, 8,
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9,10,11,12,
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13,14,15,16;
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cout << "Block in the middle" << endl;
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cout << m.block<2,2>(1,1) << endl << endl;
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for (int i = 1; i <= 3; ++i)
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{
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cout << "Block of size " << i << "x" << i << endl;
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cout << m.block(0,0,i,i) << endl << endl;
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}
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}
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