How do I multiply the first 50 values of an array?

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Alexander Black
Alexander Black 2021-12-6
回答： Fangjun Jiang 2021-12-6
I'm supposed to multiply the first 50 values of an array containing 1200 values by 3. How do I do this?
This is what my array looks like:

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Fangjun Jiang
Fangjun Jiang 2021-12-6
A=1:100;
A(1:5)=A(1:5)*3

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