how to write summation in power series

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shiv gaur
shiv gaur 2022-3-2
回答： David Hill 2022-3-2
how to write summation(a(i)*t^i)

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David Hill
David Hill 2022-3-2
i=1:100;
a=randi(100,1,100);
t=.9;
s=sum(a.*t.^i);

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