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16 lines
446 B
C++
16 lines
446 B
C++
#include <iostream>
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#include <unsupported/Eigen/MatrixFunctions>
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using namespace Eigen;
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int main() {
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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), 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"
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<< A.sqrt() * A.sqrt() << "\n";
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}
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