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1 | #include <unsupported/Eigen/MatrixFunctions>
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2 | #include <iostream>
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3 |
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4 | using namespace Eigen;
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5 |
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6 | int main()
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7 | {
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8 | MatrixXf A = MatrixXf::Random(3,3);
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9 | std::cout << "A = \n" << A << "\n\n";
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10 |
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11 | MatrixXf sinhA = A.sinh();
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12 | std::cout << "sinh(A) = \n" << sinhA << "\n\n";
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13 |
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14 | MatrixXf coshA = A.cosh();
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15 | std::cout << "cosh(A) = \n" << coshA << "\n\n";
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16 |
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17 | // The matrix functions satisfy cosh^2(A) - sinh^2(A) = I,
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18 | // like the scalar functions.
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19 | std::cout << "cosh^2(A) - sinh^2(A) = \n" << coshA*coshA - sinhA*sinhA << "\n\n";
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20 | }
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