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Topic: Converting z data to matrix
Replies: 3   Last Post: Jan 28, 2013 11:11 AM

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dpb

Posts: 8,231
Registered: 6/7/07
Re: Converting z data to matrix
Posted: Jan 26, 2013 10:51 AM
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On 1/26/2013 9:32 AM, Ian wrote:
...
> ... If I have x,y, and z data as follows:
>
> X= 1 2 3 4 5
> y= 1 2 3 4 5
> z= 8 4 9 7 3
>
> Is there any way of making z into the matrix from the above:
>
> Z= 0 0 0 0 3
> 0 0 0 7 0
> 0 0 9 0 0
> 0 4 0 0 0

8 0 0 0 0
...

>> z= [8 4 9 7 3];
>> Z=fliplr(diag(z,0))

Z =
0 0 0 0 8
0 0 0 4 0
0 0 9 0 0
0 7 0 0 0
3 0 0 0 0
>>

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