How to plot a function with e^-x?

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Anelisse Meriles
Anelisse Meriles 2020-4-5
评论： Anelisse Meriles 2020-4-5
Hello, I'm trying to plot functions f(x)=100*x^2 and f(x) = 100*x^2*e^-x with time vectors from 0 to 5. I keep getting errors on my function.What is the right way to insert this function in Matlab?
This is my logic:
x = 0 : 0.1 : 5;
y = (100)*(x.^2);
hold on
g = 100*(x.^2)*exp(-x);
plot(x,y,'r',x,g,'b')
grid on

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采纳的回答

David Hill
David Hill 2020-4-5
g = 100*(x.^2).*exp(-x); %looks good, just need .* The rest should work

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