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-rw-r--r--examples/linear_system.cpp36
1 files changed, 0 insertions, 36 deletions
diff --git a/examples/linear_system.cpp b/examples/linear_system.cpp
deleted file mode 100644
index 184f576..0000000
--- a/examples/linear_system.cpp
+++ /dev/null
@@ -1,36 +0,0 @@
-#include "matrix.hpp"
-#include "norms.hpp"
-#include "triangular_solve.hpp"
-#include "vector.hpp"
-
-#include <iomanip>
-#include <iostream>
-
-int main() {
- const linalg::Matrix basis = linalg::Matrix::identity(3);
- const linalg::Matrix upper{
- {4.0, -2.0, 1.0},
- {0.0, 3.0, 5.0},
- {0.0, 0.0, -2.0}
- };
- const linalg::Vector expected{2.0, -1.0, 3.0};
- const linalg::Vector rhs = upper * expected;
- const linalg::Vector x = linalg::backward_substitution(upper, rhs);
-
- std::cout << "Week 3 triangular solve demo\n";
- std::cout << "Identity matrix diagonal: ";
- for (std::size_t i = 0; i < basis.rows(); ++i) {
- std::cout << basis(i, i) << (i + 1 == basis.rows() ? '\n' : ' ');
- }
-
- std::cout << "Recovered solution x: ";
- for (std::size_t i = 0; i < x.size(); ++i) {
- std::cout << std::fixed << std::setprecision(2) << x[i]
- << (i + 1 == x.size() ? '\n' : ' ');
- }
-
- const linalg::Vector residual = (upper * x) - rhs;
- std::cout << "Residual 2-norm = " << linalg::norm2(residual) << '\n';
-
- return 0;
-}