can anyone help me graph numerical solutions and exact solutions
2 Ansichten (letzte 30 Tage)
Ältere Kommentare anzeigen
%
clear;
clc;
format long g
syms c0 c1 c2 c3 c4 c5 c6 c7 c8 c9 c10 t r0 r1 r2 r3 r4 r5 r6 r7 r8 r9 r10
c0=0; c1=1/10; c2=2/10; c3=3/10; c4=4/10; c5=5/10; c6=6/10; c7=7/10; c8=8/10; c9=9/10; c10=10/10; r0=0; r1=1; r2=2; r3=3; r4=4; r5=5; r6=6; r7=7; r8=8; r9=9; r10=10;
EvalAt = [c0, c1, c2, c3, c4, c5, c6, c7, c8, c9, c10];
ktemp = arrayfun(@(EA) euler([r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10], EA).', EvalAt, 'uniform', 0);
ptemp=arrayfun(@(EA) int((t-EA)*euler([r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, r10],t),t,0,EA).', EvalAt, 'uniform', 0);
E = horzcat(ktemp{:}).'
K = horzcat(ptemp{:}).'
Ek=E-K
Inv_Ek= inv(Ek)
F=[1; 1; 1; 1; 1; 1; 1; 1; 1; 1; 1];
C=inv(Ek)*F
%solusi aproximasinya
Ua=@(x)(C(1)*euler(0,x)+C(2)*euler(1,x)+C(3)*euler(2,x)+C(4)*euler(3,x)+C(5)*euler(4,x)+C(6)*euler(5,x)+C(7)*euler(6,x)+C(8)*euler(7,x)+C(9)*euler(8,x)+C(10)*euler(9,x)+C(11)*euler(10,x))
Ue=@(x)(cos(x))
uaa=[];
xx=[];
k=0;
for i=1:11
uaa(i)=Ua(k);
uee(i)=Ue(k);
xx(i)=k;
k=k+.1;
end
Uap= uaa'
Uex= uee'
Err=abs(uaa'-uee')
y=(abs(uaa-uee));
[xx uee uaa y];
uee;
uaa;
y;
plot(xx,uaa,'o',xx,uee,'r')
grid on
plot(xx,y)
grid on
toc
3 Kommentare
Antworten (0)
Siehe auch
Kategorien
Mehr zu Directed Graphs finden Sie in Help Center und File Exchange
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!