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https://github.com/triqs/dft_tools
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20 lines
425 B
C++
20 lines
425 B
C++
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#include <triqs/arrays.hpp>
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#include <triqs/arrays/linalg/det_and_inverse.hpp>
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using triqs::arrays::array;
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using triqs::arrays::matrix;
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using triqs::clef::placeholder;
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int main() {
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placeholder<0> i_;
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placeholder<1> j_;
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matrix<double> A(2, 2);
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A(i_, j_) << i_ + j_;
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matrix<double> B = inverse(A);
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double C = determinant(A);
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std::cout << "A^(-1) = " << B << std::endl;
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std::cout << "det(A) = " << C << std::endl;
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}
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