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20 lines
508 B
C++
20 lines
508 B
C++
#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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MatrixXd A = MatrixXd::Random(3,3);
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std::cout << "A = \n" << A << "\n\n";
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MatrixXd sinA = A.sin();
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std::cout << "sin(A) = \n" << sinA << "\n\n";
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MatrixXd cosA = A.cos();
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std::cout << "cos(A) = \n" << cosA << "\n\n";
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// The matrix functions satisfy sin^2(A) + cos^2(A) = I,
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// like the scalar functions.
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std::cout << "sin^2(A) + cos^2(A) = \n" << sinA*sinA + cosA*cosA << "\n\n";
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}
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