how do i write an algorithm

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Antwone Goodwyn
Antwone Goodwyn 2019-5-3
编辑： Antwone Goodwyn 2019-5-6
Develop M-file that can do followings
- Ask you to input the functions f1(x)=x.^2; f2(x)=x.^3; where x is -100, -99, -98........, 99, 100
- Find and plot fsum(x)=f1(x)+f2(x)
What i could come up with
ni=0
nf=100
for x=ni+nf;
f1(ni)=ni^2;
f2(nf)=nf^3;
fsum(x)=f1(ni)+f2(nf);
end
plot(fsum);
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Rik
Rik 2019-5-3
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采纳的回答

Raj
Raj 2019-5-6
ub=input('Enter upper bound:')
lb=input('Enter lower bound:')
f1=zeros(ub-lb+1,1);
f2=f1;
fsum=f2;
for i=lb:ub
f1(i+101,1)=i^2;
f2(i+101,1)=i^3;
fsum(i+101,1)=f1(i+101,1)+f2(i+101,1);
end
fsum
plot(fsum)
Always post your attempt (even if wrong) while posting homework questions.

更多回答（1 个）

Antwone Goodwyn
Antwone Goodwyn 2019-5-6
i apologize. i am new to the MatLab community. However, thank you a lot.

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