examp8_22.m

薛定宇高等应用数学问题的MATLAB求解例子源码

x=[0,0.2,0.4,0.7,0.9,0.92,0.99,1.2,1.4,1.48,1.5]';
y=[2.88;2.2576;1.9683;1.9258;2.0862;2.109;2.1979;2.5409;2.9627;3.155;3.2052];
A=[ones(size(x)) exp(-3*x), cos(-2*x).*exp(-4*x) x.^2];
c=A\y; c1=c'

x0=[0:0.01:1.5]';
A1=[ones(size(x0)) exp(-3*x0), cos(-2*x0).*exp(-4*x0) x0.^2];
y1=A1*c; plot(x0,y1,x,y,'x')