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Re: SIGN function: signof(num or array of num) [message #70131]

Tue, 16 March 2010 09:41

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

On Tue, 16 Mar 2010, Ding wrote:

> although signof(0) cause algorithm error, since 0/0 is defined as 0,
> signof(0)=0, signof(Inf)=0. it can be used in an expression
> signof(numeric variable or array)*10.0/5. etc.

0/0 is undefined in mathematics.

regards,
lajos

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[Message index]

		Re: SIGN function: signof(num or array of num) By: Foldy Lajos on Tue, 16 March 2010 09:41
		Re: SIGN function: signof(num or array of num) By: Carsten Lechte on Tue, 16 March 2010 09:36
		Re: SIGN function: signof(num or array of num) By: Carsten Lechte on Tue, 16 March 2010 09:25
		Re: SIGN function: signof(num or array of num) By: Ding on Tue, 16 March 2010 09:17
		Re: SIGN function: signof(num or array of num) By: Carsten Lechte on Tue, 16 March 2010 08:46
		Re: SIGN function: signof(num or array of num) By: Ding on Tue, 16 March 2010 08:43
		Re: SIGN function: signof(num or array of num) By: Carsten Lechte on Tue, 16 March 2010 08:35
		Re: SIGN function: signof(num or array of num) By: Ding on Tue, 16 March 2010 08:32
		Re: SIGN function: signof(num or array of num) By: H. Evans on Tue, 16 March 2010 07:30

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