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#2 2012-10-22 16:21:44
- bobbym
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Re: Signum function
Hi Wink;
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#4 2012-10-22 23:08:33
- bobbym
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Re: Signum function
Hi;
The csgn function is defined like this:
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#5 2012-10-23 00:59:38
- Wink
- Guest
Re: Signum function
If I want to find sign of complex number what should I use, sgn(z) or csgn(z)
#6 2012-10-23 02:36:21
- bobbym
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Re: Signum function
Hi;
I would use the sgn(z).
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.
#8 2012-10-23 02:42:33
- bobbym
- Administrator
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Re: Signum function
Hi;
The guys at Waterloo say:
The csgn function is used to determine in which half-plane ("left" or "right") the complex-valued expression or number x lies.
In mathematics, you don't understand things. You just get used to them.
90% of mathematicians do not understand 90% of currently published mathematics.
I am willing to wager that over 75% of the new words that appeared were nothing more than spelling errors that caught on.