1 files changed, 26 insertions, 0 deletions
diff --git a/964/CH26/EX26.4/26_4.sce b/964/CH26/EX26.4/26_4.sce
new file mode 100755
index 000000000..f4ef8ffa2
--- /dev/null
+++ b/964/CH26/EX26.4/26_4.sce
@@ -0,0 +1,26 @@
+//clc()
+//clc()
+x0 = 0;
+x1 = 1;
+x2 = 2;
+y1 = 6.194631;
+y2 = 14.84392;
+y10 = 5.607005;
+y11 = 6.360865;
+y1m = y11 - (y11 - y10)/5;
+e = (y1 - y1m)*100/y1;
+disp(y1m,"ym")
+disp("%",e,"error = ")
+y20 =2+(4*exp(0.8*x1) - 0.5*y1m)*2;
+e2 = (y2 - y20)*100/y2;
+disp(y20,"y20 = ")
+disp("%",e2,"error = ")
+y2o = y20 + 4* (y11 - y10)/5;
+e2 = (y2 - y2o)*100/y2;
+disp(y2o,"y20 = ")
+disp("%",e2,"error = ")
+y21 = 15.21178;
+y23 = y21 - (y21 - y20)/5;
+disp(y23,"y2 = ")
+e3 = (y2 - y23)*100/y2;
+disp("%",e3,"error = ")