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authory-jan137 <yousefjan24000@gmail.com>2026-03-15 11:16:49 +0300
committery-jan137 <yousefjan24000@gmail.com>2026-03-15 11:16:49 +0300
commitbe01607041d2ded41e5bf39a0a8e17ffb9bcc296 (patch)
tree12857bb0c9c360fecc23534a1c4185d0b27972e5 /examples
parentb11123e1cd710c135d9924f263ab1808cd96c8c2 (diff)
Add QR iteration and cleanup
Diffstat (limited to 'examples')
-rw-r--r--examples/linear_system.cpp36
-rw-r--r--examples/matmul.cpp32
2 files changed, 0 insertions, 68 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;
-}
diff --git a/examples/matmul.cpp b/examples/matmul.cpp
deleted file mode 100644
index c6245f3..0000000
--- a/examples/matmul.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-#include "matrix.hpp"
-
-#include <iomanip>
-#include <iostream>
-
-int main() {
- const linalg::Matrix a{
- {1.0, 2.0, 3.0},
- {4.0, 5.0, 6.0}
- };
- const linalg::Matrix b{
- {7.0, 8.0},
- {9.0, 10.0},
- {11.0, 12.0}
- };
-
- const linalg::Matrix c = a * b;
-
- std::cout << "Matrix multiplication\n";
- std::cout << "A is " << a.rows() << " x " << a.cols() << '\n';
- std::cout << "B is " << b.rows() << " x " << b.cols() << '\n';
- std::cout << "C = A * B:\n";
-
- for (std::size_t i = 0; i < c.rows(); ++i) {
- for (std::size_t j = 0; j < c.cols(); ++j) {
- std::cout << std::fixed << std::setprecision(2) << c(i, j)
- << (j + 1 == c.cols() ? '\n' : ' ');
- }
- }
-
- return 0;
-}