X-Git-Url: http://gitweb.michael.orlitzky.com/?p=octave.git;a=blobdiff_plain;f=run-tests.m;h=2ad4c2462b06f1203134c5576aaecde217db9f98;hp=2892ba0e84f916571960177c62bb297068d7b448;hb=99b641383e285ba62808678be74077485a61e024;hpb=d7a73d33b0567c9abd72151b2972d7c0eb66e6a1

diff --git a/run-tests.m b/run-tests.m
index 2892ba0..2ad4c24 100755
--- a/run-tests.m
+++ b/run-tests.m
@@ -43,11 +43,11 @@ unit_test_equals("2 is even", ...
 		 true, ...
 		 even(2));
 
-expected_A = [1, 0, 0, 0, 0; ...
-              16, -32,  16,  0,  0; ...
-	      0,   16, -32,  16, 0; ...
-	      0,   0,   16, -32, 16; ...
-	      0,   0,   0,   0,  1];
+expected_A = [-1, 0, 0, 0, 0; ...
+              -16, 32,  -16,  0,  0; ...
+	      0,   -16, 32,  -16, 0; ...
+	      0,   0,   -16, 32, -16; ...
+	      0,   0,   0,   0,  -1];
 unit_test_equals("Homework #1 problem #1 Poisson matrix is correct", ...
 		 true, ...
 		 expected_A == poisson_matrix(4, 0, 1));
@@ -102,3 +102,16 @@ expected_root = [1.33635; 1.75424];
 unit_test_equals("Homework #3 problem #4 root is correct", ...
 		 expected_root, ...
 		 actual_root);
+
+
+
+f = @(x,y) y;
+x0 = 0;
+y0 = 1;
+h = 1;
+actual_y = forward_euler1(x0, y0, f, h);
+expected_y = 2;
+
+unit_test_equals("Forward Euler works for one step", ...
+		 expected_y, ...
+		 actual_y);