Differences

This shows you the differences between two versions of the page.

--- boost [2018/10/18 11:27] – giovane
+++ boost [2019/05/07 20:24] (current) – giovane
@@ Line 22: / Line 22: @@
 <code>
+#include <boost/numeric/ublas/matrix.hpp>                // importa o tipo matrix do boost
+#include <boost/numeric/ublas/vector.hpp>                // importa o tipo vector do boost
+#include <boost/numeric/bindings/ublas/matrix.hpp>       // importa as bindings do tipo matrix do boost
+#include <boost/numeric/bindings/ublas/vector.hpp>       // importa as bindings do tipo vector do boost
+#include <boost/numeric/bindings/lapack/driver/gesv.hpp> // importa as bindings do solver gesv
+int main()
+{
+    // Definição da matriz A, vetor de solução b e vetor de pivoteamento c
+    boost::numeric::ublas::matrix<double, boost::numeric::ublas::column_major> A(3, 3, 0.0);
+    boost::numeric::ublas::vector<double> b(3, 0.0);
+    boost::numeric::ublas::vector<int> c(3);
+    //Atribuição de valores
+    A(0, 0) = 1.0; A(1, 1) = 2.0; A(2, 2) = 1.0;
+    A(0, 1) = -1.0; A(1, 0) = -1.0;
+    b(0) = 1.0; b(1) = 2.0; b(2) = 3.0;
+    //Chamada do solver
+    boost::numeric::bindings::lapack::gesv(A, c, b);
+    std::cout <<b(0) <<", " <<b(1) <<", " <<b(2) <<std::endl;
+    std::cin.get();
+    return 0;
+}
 </code>