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An IDL NORM alternative without overflow [message #88577]

Wed, 14 May 2014 02:16

zhangj.sdu
Messages: 6
Registered: December 2013

Junior Member

Dear all,
I want to calculate the L2 norm of a vector, for example,a=[0.68056D+200, 0.25521D+200, 0.34028D+200,0.85071D+200, 0.25521D+200, 0.85071D+200]. The IDL NORM function gave nothing but "Program caused arithmetic error: Floating overflow" and "Infinity". Any another IDL solution to avoid this problem?
Thanks.
Clark

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		An IDL NORM alternative without overflow By: zhangj.sdu on Wed, 14 May 2014 02:16
		Re: An IDL NORM alternative without overflow By: Fabzi on Wed, 14 May 2014 02:44

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