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min_nz.pro

topmin_nz

result = min_nz(data [, val] [, INDEX=INDEX])

find the minimum non-zero value of an array

only works on the positive part of an array, if the array has negative nalues they are treated as zeros

Return value

answer to the non zero minimum

Parameters

data in required: array to fund the min nonzero of
val in optional: what value is to to be considered zero

Keywords

INDEX in optional: indices of the "zeros"

Examples

a=min_nz(findgen(100))
print, a
 1

Author information

History:: Mon Nov 17 17:12:29 2003, Brian Larsen Written and tested

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File attributes

Modifcation date:	Tue Sep 9 13:55:33 2008
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