25 lines
590 B
C++
25 lines
590 B
C++
#include <iostream>
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#include <fstream>
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#include <Eigen/Dense>
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using namespace Eigen;
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int main() {
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std::ifstream file("matrix.txt");
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// Если размеры известны заранее (3x3 в вашем случае)
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Matrix <double, 3, 3> matrix;
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for (int i = 0; i < 3; ++i) {
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for (int j = 0; j < 3; ++j) {
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if (!(file >> matrix(i, j))) {
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std::cerr << "Error in matrix initialization";
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return -1;
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}
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}
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}
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std::cout << "Matrix:\n" << matrix << std::endl;
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return 0;
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} |