1 files changed, 25 insertions, 0 deletions
diff --git a/75/CH4/EX4.11/ex_11.sce b/75/CH4/EX4.11/ex_11.sce
new file mode 100755
index 000000000..2ac7242f1
--- /dev/null
+++ b/75/CH4/EX4.11/ex_11.sce
@@ -0,0 +1,25 @@
+        //    PG (234)
+
+deff('[y]=f(x)','y=exp(x)')
+x = -1:0.01:1;
+//    For 
+n = 1;
+x = [-1 0 1];
+E1 = 0.272;
+F1 = 1.2715 + 1.1752*x;
+
+//    Relative errors
+
+x = -1.0;
+exp(x) - F1;
+r1 = ans(1,1)
+x = 0.1614;
+exp(x) - F1;
+r2 = ans(1,2)
+x = 1.0;
+exp(x) - F1;
+r3 = ans(1,3)
+
+F3 = 0.994526 + 0.995682*x + 0.543981*x*x + 0.179519*x*x*x;
+x = [-1.0 -0.6832 0.0493 0.7324 1.0]
+exp(x) - F3    //    relative errors
+\ No newline at end of file