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I have a array of 1X45 double .I have to rearrange and copy into another array. First four values to 1st row, next 4 values to 2nd row and so on

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Prathusha Reddy
Prathusha Reddy 2016-6-30
评论： Prathusha Reddy 2016-7-1
I have a array of 1X45 double .I have to rearrange and copy into another array. First four values to 1st row, next 4 values to 2nd row and so on
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Andrei Bobrov
Andrei Bobrov 2016-6-30
a = 1:45;
reshape([a(:);nan(mod(-numel(a),4),1)],4,[])';
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Walter Roberson
Walter Roberson 2016-7-1
The mod() expression figures out how many values need to be added to bring the total number of values up to a multiple of 4, and the nan() part of it says to create a vector that many elements long each element of which is nan (Not A Number). The effect of the code is to pad out the array to be a multiple of 4 long, by adding as many nan on the end as needed to make a multiple of 4.

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Walter Roberson
Walter Roberson 2016-6-30
If you have the signal processing toolbox, use buffer()

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