From e461df7573c2b7b7e26c965d8cf2d8e175d67378 Mon Sep 17 00:00:00 2001 From: Nguyễn Gia Phong Date: Mon, 16 Dec 2019 21:31:18 +0700 Subject: [usth/MATH2.2] Numerical Methods The future starts now. --- usth/MATH2.2/labwork/3/gauss.m | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 usth/MATH2.2/labwork/3/gauss.m (limited to 'usth/MATH2.2/labwork/3/gauss.m') diff --git a/usth/MATH2.2/labwork/3/gauss.m b/usth/MATH2.2/labwork/3/gauss.m new file mode 100644 index 0000000..09128dc --- /dev/null +++ b/usth/MATH2.2/labwork/3/gauss.m @@ -0,0 +1,12 @@ +function x = gauss (A, b) + issquare (A) || error ('Matrix A must be square'); + Aug = [A b]; + [m n] = size (Aug); + % forward elimination + for k = 1 : m - 1 + for l = k + 1 : m + Aug(l, k:n) = Aug(l, k:n) - Aug(k, k:n)*Aug(l, k)/Aug(k, k); + end + end + x = ubst (Aug); +end -- cgit 1.4.1