array indexing not working for a specified range with min()

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Last Post 05 Mar 2014 01:07 AM by anon

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anon

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05 Mar 2014 01:07 AM
I know a value in an unsorted array "a[158,1]" and want to find it's index.in my code; i have used : min_refl=min(a[(S1-1):(S2-1),1],location) ; to find minimum for a specified range in array a indx=ARRAY_INDICES(a,location) ; to obtain the index of the minimum value obtained print,a[indx[0],indx[1]],indx. The indexing seems to work with the entire array but not for the selected range.Please suggest any other function if available.

Berangere Casson

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Posts:61

05 Mar 2014 08:02 AM
I made a small test with the following line of codes a= transpose(indgen(10)) help,a Output is A INT = Array[1, 10] (with values going from 0 to 9) If I look for the max index on the full array: test=max(a,location) print,array_indices(a,location) The output is 0 9 If I now look for the MAX of the first 5 elements of the array test= max(a[0:4],location) print,array_indices(a,location) The output is 0 4, which seems correct Do you see a different result ?

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