initial commit / add all books

1 files changed, 32 insertions, 0 deletions

diff --git a/75/DEPENDENCIES/muller.sce b/75/DEPENDENCIES/muller.sce
new file mode 100755
index 000000000..4faba6b75
--- /dev/null
+++ b/75/DEPENDENCIES/muller.sce
@@ -0,0 +1,32 @@
+function x=muller(x0,x1,x2,f)
+    R=3;
+    PE=10^-8;
+    maxval=10^4;
+     for n=1:1:R
+   
+    La=(x2-x1)/(x1-x0);      
+    Da=1+La;
+    ga=La^2*f(x0)-Da^2*f(x1)+(La+Da)*f(x2);
+    Ca=La*(La*f(x0)-Da*f(x1)+f(x2));
+    
+     q=ga^2-4*Da*Ca*f(x2);
+     if q<0 then q=0;
+     end
+     p= sqrt(q);
+     if ga<0 then p=-p;
+     end
+        La=-2*Da*f(x2)/(ga+p);
+        x=x2+(x2-x1)*La; 
+        if abs(f(x))<=PE then break
+        end
+        if (abs(f(x))>maxval) then error('Solution diverges');
+            abort;
+            break
+        else 
+        x0=x1;
+        x1=x2;
+         x2=x;
+        end 
+    end
+    disp(n," no. of iterations =")
+endfunction
\ No newline at end of file