Help to find

I want a function $f(x,y)$ which have the following properties:

$f(f(x,y),x)=y$

$f(x,y)=f(y,x)$

If you can find it then please write in comments

#ComputerScience

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Comments

f(x, y) = -(x + y) would work

paxillion idk - 11 months, 4 weeks ago

Thanks!

Sahar Bano - 11 months, 4 weeks ago

Glad it was still usefull after 1 month

paxillion idk - 11 months, 4 weeks ago

Math	Appears as
Remember to wrap math in `\(` ... `\)` or `\[` ... `\]` to ensure proper formatting.
`2 \times 3`	$2 \times 3$
`2^{34}`	$2^{34}$
`a_{i-1}`	$a_{i-1}$
`\frac{2}{3}`	$\frac{2}{3}$
`\sqrt{2}`	$\sqrt{2}$
`\sum_{i=1}^3`	$\sum_{i=1}^3$
`\sin \theta`	$\sin \theta$
`\boxed{123}`	$\boxed{123}$