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Re: Array plotting and segmentation [message #59875 is a reply to message #59865]

Mon, 14 April 2008 09:54

Vince Hradil
Messages: 574
Registered: December 1999

Senior Member

On Apr 14, 11:47 am, Conor <cmanc...@gmail.com> wrote:
> On Apr 14, 10:57 am, Vince Hradil <hrad...@yahoo.com> wrote:
>
>> On Apr 14, 9:16 am, moxam...@gmail.com wrote:
>
>>> Dear All,
>
>>> I have the following problem:
>
>>> I have an array lets say A = [3,4,6,8,3,2,5,7,10,5,4]. As you can see,
>>> in this array we have two peaks (8 and 10) and one gap (2). I want to
>>> plot this array and draw a line on the gap element (which is in 2)
>>> vertical on the x axes and parallel to the y axes. In other words, I
>>> want to segment the the curve produced by plotting the array by
>>> drawing a line on the gap element.
>
>>> Any help will be appreciated.
>
>>> Thank you very much in advance,
>
>>> Dabboor
>
>> Is this what you want:
>
>> idx = (where(A eq min(A)))[0]
>> plot, A
>> plots, [idx,idx], !y.crange
>
> The slightly quicker way to find the minimum is to just use the second
> parameter to the min() function:
>
> minval = min( A, idx )

I always forget that - does it return the first index or an array of
indexes?

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[Message index]

		Re: Array plotting and segmentation By: Conor on Tue, 15 April 2008 07:05
		Re: Array plotting and segmentation By: Vince Hradil on Mon, 14 April 2008 09:54
		Re: Array plotting and segmentation By: Conor on Mon, 14 April 2008 09:47
		Re: Array plotting and segmentation By: Vince Hradil on Mon, 14 April 2008 07:57

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