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Programming > Idl-pvware > fastest way to ...
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fastest way to find the first non-zero value in an array

by smasson@[EMAIL PROTECTED] Apr 8, 2008 at 01:04 AM

Hi,

I want to find the first non-zero value of an array. Is there a faster
way to do this than with the "where" command: (where(array ne 0))[0]
"Where" will look for all non-zero values and I only need the first
one. It would be great if I could stop "where" in its search process
as soon as it found one element...

sebastien
 




 10 Posts in Topic:
fastest way to find the first non-zero value in an array
smasson@[EMAIL PROTECTED]  2008-04-08 01:04:48 
Re: fastest way to find the first non-zero value in an array
"Clemens" <y  2008-04-08 10:42:50 
Re: fastest way to find the first non-zero value in an array
Spon <christoph.blau@[  2008-04-08 06:03:51 
Re: fastest way to find the first non-zero value in an array
Vince Hradil <hradilv@  2008-04-08 06:15:22 
Re: fastest way to find the first non-zero value in an array
David Fanning <news@[E  2008-04-08 07:34:38 
Re: fastest way to find the first non-zero value in an array
Spon <christoph.blau@[  2008-04-08 06:56:33 
Re: fastest way to find the first non-zero value in an array
Vince Hradil <hradilv@  2008-04-08 07:02:38 
Re: fastest way to find the first non-zero value in an array
=?ISO-8859-2?Q?F=D6LDY_La  2008-04-08 16:23:04 
Re: fastest way to find the first non-zero value in an array
Rick Towler <rick.towl  2008-04-08 11:41:10 
Re: fastest way to find the first non-zero value in an array
karo03de <karo03de@[EM  2008-04-09 13:02:32 

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