# Re: generate multiple arrays using n-number values randomly

From: Mary Haley <haley_at_nyahnyahspammersnyahnyah>
Date: Wed Dec 21 2011 - 14:26:56 MST

Oops, minor error in the debug print section of the code. The "nvals-2" in the do loop should be "nvals-1".

--Mary

On Dec 21, 2011, at 1:21 PM, Mary Haley wrote:

> Hi Debasish,
>
> There's a question on this in the FAQ, so I took that and modified it a little:
>
> nvals = 30
> narr = 1000
>
> ;---Generate 1000 x 30 random numbers
> r = random_uniform(0,1,(/narr,nvals/)) ; random numbers
>
> ;---Sorting the values and keeping the indexes gives us random indexes.
> indexes = dim_pqsort(r, 1)
>
> ;---Debug print
> do i=0,narr-1
> str = ""
> do j=0,nvals-2
> str = str + " " + indexes(i,j)
> end do
> print("" + str)
> end do
>
> You can use the "indexes" variable to index your array of 30 numbers.
>
> --Mary
>
> On Dec 21, 2011, at 1:17 PM, Debasish wrote:
>
>> Dear NCL users,
>>
>> I have an array with 30 numbers. Now I would like to create 1000 arrays using this 30 numbers randomly and size of the each new array is also 30.
>>
>> example: Input array x = (x1, x2, x3, x4,......................,x30)
>>
>> Output 1000 arrays X1, X2, X3,..............,X1000 and dimension of XI (where I =0, 1000) is 30
>> where
>> X1 = (x21, x12, x3, x24,......................,x5)
>> X2 = (x1, x20, x13, x24, x24, x24, ......................,x1)
>> X3 = (x15, x25, x19, x14, x22, x10, x12,x12,......................,x7)
>> .
>> .
>> .
>> X1000 = (x10, x29, x13, x29, x13, x15......................,x6)
>>
>> Could you please let me know the suitable function in NCL that solves this problem
>>
>> with regards
>>
>> Debasish
>>
>>
>>
>>
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Received on Wed Dec 21 14:27:04 2011

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