From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 50/DEPENDENCIES/sim_eulercauchy.sce | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100755 50/DEPENDENCIES/sim_eulercauchy.sce

(limited to '50/DEPENDENCIES/sim_eulercauchy.sce')

diff --git a/50/DEPENDENCIES/sim_eulercauchy.sce b/50/DEPENDENCIES/sim_eulercauchy.sce
new file mode 100755
index 000000000..b16af4509
--- /dev/null
+++ b/50/DEPENDENCIES/sim_eulercauchy.sce
@@ -0,0 +1,24 @@
+function [u,v,t] = simeulercauchy(u0,v0,t0,tn,h,f1,f2)
+
+
+//  du/dt = f1(t,u,v), dv/dt = f2(t,u,v) with initial  
+//conditions u=u0,v=v0 at t=t0.  The 
+//solution is obtained for t = [t0:h:tn]
+//and returned in u,v
+
+
+umaxAllowed = 1e+100;
+
+t = [t0:h:tn]; u = zeros(t); n = length(u); u(1) = u0;
+
+for j = 1:n-1
+    k11=h*f1(t(j),u(j),v(j));
+    k21=h*f2(t(j),u(j),v(j));    
+    k12=h*f1(t(j)+h,u(j)+k11,v(j)+k21);
+    k22=h*f2(t(j)+h,u(j)+k11,v(j)+k21);
+	u(j+1) = u(j) + (k11+k12)/2;
+    v(j+1) = v(j) + (k21+k22)/2;
+	
+end;
+
+endfunction
-- 
cgit