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How to eliminate the for loop but end with the same result

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Bryce McCord
Bryce McCord 2022-9-2
回答： Star Strider 2022-9-2
A = input('Using brackets, enter a vector: ')
for i=1:length(A)
if(A(i) > 0)
B(i) = A(i).^3;
else
B(i) = 0;
end
end
B
How can I convert this code so that when the for loop and if statement are deleted the code still has the same output?

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采纳的回答

Star Strider
Star Strider 2022-9-2
Ran in:
Try something like this —
A = -3:3;
B = A.^3.*(A>0)
B = 1×7
0 0 0 0 1 8 27
It uses a version of ‘logical indexing’.
.

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