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16 lines
434 B
16 lines
434 B
#include <unsupported/Eigen/MatrixFunctions>
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#include <iostream>
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using namespace Eigen;
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int main()
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{
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const double pi = std::acos(-1.0);
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MatrixXd A(2,2);
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A << cos(pi/3), -sin(pi/3),
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sin(pi/3), cos(pi/3);
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std::cout << "The matrix A is:\n" << A << "\n\n";
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std::cout << "The matrix square root of A is:\n" << A.sqrt() << "\n\n";
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std::cout << "The square of the last matrix is:\n" << A.sqrt() * A.sqrt() << "\n";
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}
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