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how to convert vector to a matrix having 3 colums and n rows

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moonnightingale

moonnightingale

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am having larger data vector. I want to convert it to a matrix having 3 colums.

Example is here

m= [ 1 2 3 4 5 6 7 8 9]

I Want to have my output like this

n= 1 2 3
4 5 6
7 8 9
I tried reshape for this as well but it gave output like this

n= 1 4 7
2 5 8
3 6 9
which is not required by me.plz help me
 

Re: how to convert vector to a matrix having 3 colums and n

If I am not missing anything, this is pretty simple. Simply read the first 3 elements into frist vector, then next 3 into 2nd and so on.

m= [ 1 2 3 4 5 6 7 8 9]
m3 = [ [1 2 3] [4 5 6] [7 8 9]]
 

Re: how to convert vector to a matrix having 3 colums and n

I told I am having larger data vector. I want to convert it to a matrix having 3 colums.

my data is like this

[ 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 1 0 1 0 1 0 0 1 0 1 0 ..........................................................till 5000]

i want to have this in columns of three as illustrated above
Thanks
 

Re: how to convert vector to a matrix having 3 colums and n

moonnightingale said:
I told I am having larger data vector. I want to convert it to a matrix having 3 colums.

my data is like this

x = [ 0 1 0 0 1 0 0 1 0 0 1 0 0 1 0 1 0 1 0 1 0 0 1 0 1 0 ..........................................................till 5000]

i want to have this in columns of three as illustrated above
Thanks
Click to expand...


reshape(x,length(x)/3,3)

Make sure that x is divisible by 3 otherwise zero pad it
 
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