diff options
Diffstat (limited to '413/CH9/EX9.5')
-rw-r--r-- | 413/CH9/EX9.5/Example_9_5.sce | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/413/CH9/EX9.5/Example_9_5.sce b/413/CH9/EX9.5/Example_9_5.sce new file mode 100644 index 000000000..41801f555 --- /dev/null +++ b/413/CH9/EX9.5/Example_9_5.sce @@ -0,0 +1,35 @@ +clc
+clear
+//printf('(Solve the equation y''-(x+1)y=e^-x(X^2-x+2), with Neumann boundary conditions y'(2)=0, y'(4)=-0.036631)')
+
+printf('\n Augmented matrix')
+P=[2.542 -1.729 0 0 0 0.127
+-1.729 5.167 -1.688 0 0 0.236
+0 -1.688 5.333 -1.646 0 0.199
+0 0 -1.646 5.5 -1.604 0.163
+0 0 0 -1.604 2.792 0.072 ]
+disp(P)
+printf('Matrix after ajjusting boundary condition')
+T=[ 2.542 -1.729 0 0 0 0.127
+-1.729 5.167 -1.688 0 0 0.236
+0 -1.688 5.333 -1.646 0 0.199
+0 0 -1.646 5.5 -1.604 0.163
+0 0 0 -1.604 2.792 0.036 ]
+ disp(T)
+ A=[ 2.542 -1.729 0 0 0
+-1.729 5.167 -1.688 0 0
+0 -1.688 5.333 -1.646 0
+0 0 -1.646 5.5 -1.604
+0 0 0 -1.604 2.792 ]
+
+ B=[0.127 0.236 0.199 0.163 0.036]'
+ S=A\B
+printf('The table showing the analytical solution and the errors of our computation')
+
+ X=[2.0 2.5 3.0 3.5 4]
+ for i=1:5
+ B(1,i)=exp(-X(1,i))*(X(1,i)-1)
+ T=[X(1,i), S(i,1), B(1,i), B(1,i)-S(i,1)]
+disp(T)
+ end
+
\ No newline at end of file |