program using power series

shiv gaur

2022 2 23

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更新时间：2022 2 25

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pl plot(t,x)

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shiv gaur 2022-2-23

this is the program

plsolve

t=1:20;

a(1)=1;

b(1)=0;

c(1)=1;

sigma=10;

r=28;

d=(8/3);

sumA=0;

sumC=0;

sumB=0;

sumS=0;

sumZ=0;

for i=1:30

for p=1:29;

sumS=sumS+(a(p).*c(i-p));

sumZ=sumZ+(a(p).*b(i-p));

a(i+1)=((sigma)/(i+1))*(a(i)-b(i));

b(i+1)=(1/(i+1))*(r*a(i)-b(i)-sumS);

c(i+1)=(1/(i+1))*(sumZ-d*c(i));

sumA=sumA+a(i).*(t^i);

sumB=sumB+b(i).*(t^i);

sumC=sumC+c(i).*(t^1);

end

plot(t,sumB)

Arif Hoq 2022-2-23

now i got it about your code. see here.

https://www.mathworks.com/matlabcentral/answers/1656290-unable-to-plot-this-equation?s_tid=srchtitle

by the way you can not write your code exactly in matlab as wrtten in that book.

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