Data update

Task/Singular-value-decomposition/C++/singular-value-decomposition-2.cpp

@@ -0,0 +1,23 @@
+#include <Eigen/Dense>
+#include <cstdlib>
+#include <iomanip>
+#include <iostream>
+
+int main() {
+    using namespace Eigen;
+    int rows, columns;
+    if (!(std::cin >> rows >> columns))
+        return EXIT_FAILURE;
+    MatrixXd matrix(rows, columns);
+    for (int row = 0; row < rows; ++row) {
+        for (int column = 0; column < columns; ++column) {
+            if (!(std::cin >> matrix(row, column)))
+                return EXIT_FAILURE;
+        }
+    }
+    auto svd = matrix.bdcSvd().compute(matrix, ComputeFullU | ComputeFullV);
+    std::cout << std::setprecision(15) << std::fixed << svd.matrixU() << "\n\n"
+              << svd.singularValues() << "\n\n"
+              << svd.matrixV() << '\n';
+    return EXIT_SUCCESS;
+}