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Man Differentiates Circle!

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MightyPenguin:
:pengysmiley:  :pengysmiley:  :pengysmiley:  :pengysmiley:  :pengysmiley:  :pengysmiley:
I DIIID IT!!

 :D  :D  :D  :D  :D  :D  :D  :D

( x - a )^2 + ( y - b )^2 = r^2
( y - b )^2 = r^2 - ( x - a )^2
y - b = sqrt( r^2 - ( x - a )^2 )
y = sqrt( r^2 - ( x - a )^2 ) + b
y' = ( a - 2x ) / 2( sqrt( r^2 - ( x - a )^2 ) )

What?

Why are you looking at me like that? I've been wanting to do that all year!

[span style=\'font-size:8pt;line-height:100%\']Ungrateful...[/span]

Numsgil:
When you took the square root you forgot to add the +/-.  What you have there is for half a circle.

There might be some problems in the actual derivate taking too.  I'm just too lazy to double check.

Zelos:
ok, wahts whit this? is that somekinda hard math or what? hope not, else there is no challange for me

Numsgil:
It uses the chain rule for derivates.  Not difficult but sometimes hard to keep it all straight, and you have to know how the chain rule works.

Botsareus:
Is that the circuler paste code for robots from the robot plasment control I sent you?

Use angle generation , Sin and Cos its easyer. , and distance generation after that...

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