Multiply a column by a number

2018 3 30
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更新时间：2018 3 30
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How Could I simply multiply each element of this array by 4? A=array(:,6);

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Roger Stafford
Roger Stafford 2018-3-30

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Let Ar be the name of the array.
Ar(:,6) = 4*Ar(:,6);
What could be simpler? Since 4 is a scalar, it is automatically applied to each element of that column.

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