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  Discussion about math, puzzles, games and fun.   Useful symbols: √ ∞ ≠ ≤ ≥ ≈ ⇒ ∈ Δ θ ∴ ∑ ∫ π -

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Topic review (newest first)

bobbym
2012-10-23 02:42:33

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.

Wink
2012-10-23 02:38:28

Then what is csgn for?

bobbym
2012-10-23 02:36:21

Hi;

I would use the sgn(z).

Wink
2012-10-23 00:59:38

If I want to find sign of complex number what should I use, sgn(z) or csgn(z)

bobbym
2012-10-22 23:08:33

Hi;

The csgn function is defined like this:

Wink
2012-10-22 16:56:11

Is the csgn(x) function related to sgn(x)?

bobbym
2012-10-22 16:21:44

Hi Wink;

Wink
2012-10-22 15:51:25

What will be sgn(a+bi)?

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