array subset using condition

[camr_tna]

I have a 2D array which i want to split into 2 subset using a condition. Say i have

X              y

125         1.5
585         1.1
798         1.0
1054        0.75
3586        1.12

i need to split the array to two subsets with thos eof below 1000 and above 1000.

help please...

[natasftw]

What have you tried so far?  Attach your work.  This sounds like homework. 

This is a relatively easy problem.  We can point you in the right direction but don't expect us to do your homework for you.  Take a look at for loops and tunnel indexing

[camr_tna]

no it is not.

it is a part of a whole analysis program im making.

You see i have summary of frequency peaks  which changes every signal i input. i need a subset array for those peaks recognized as below 1000 and above 1000.

[GerdW]

Hi camr,

so you should change that fixed "index" input to some variable value - using a search function would be a good idea…

[camr_tna]

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@GerdW wrote:

Hi camr,

so you should change that fixed "index" input to some variable value - using a search function would be a good idea…

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can you suggest a search function?

i tried using search 1D function but it wont work as my array values never coincide with 1000. its index location also varies.

[GerdW]

Threshold 1D Array will do what you want…

[camr_tna]

threshold array wont work as I have a 2D aray. I have tried that as well and doesnt work.

[GerdW]

But it will work on your 1D X value column…

[camr_tna]

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@GerdW wrote:

But it will work on your 1D X value column…

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yes it will work but the value is wrong... thus it wont give me my desired output

[camr_tna]

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@GerdW wrote:

But it will work on your 1D X value column…

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yes it will work but the value is wrong... thus it wont give me my desired output