fun with polar graphs

[jmiller]

hey check out this graph i made

jmiller

[DiGiTaIErRoR]

Big yellow?

[jmiller]

huh?

[jemidiah]

What did you graph that using? (btw, awsome graph)

[jmiller]

i graphed it using a program i wrote in vb, i can't remember the exact function though.

here's some that i remember the function of:

this one is R(a) = a(cos^2(3a) + sin^2(2a))

[jmiller]

and this one is R(a) = a(abs(cos^3(3a)) - sin^2(a))

[jemidiah]

Do you mind posting the program? I'd love to mess with it (I kinda have a hobby of making cool looking graphs during class [high school])

[jmiller]

here it is

[jmiller]

btw i posted the code and not the exe cause you have to modify the source code in order to change the graph, i don't think i'm good enough to write a program where the user can enter a function and it's translated at runtime...that's what maple or mathematica is good for

[NotLKH]

Originally posted by jmiller
btw i posted the code and not the exe

you do know posting exes is bad form?

Do you know why?

[jmiller]

no, enlighten me please

[jemidiah]

Some people trust nothing online, and they like to look at the code first to see if it's a virus or something like that.

Edit: Also, thanks for posting it!

detRad = Angle * 1 / Cos(1 / Tan(2 * Angle))

with

baseStep = 3.14159265359 / 16

produces:

[agmorgan]

Talking of polar plots, does anyone have a good add-in/function for Excel
for polar plots?
Everything I have done so far has been a bit shoddy.

I do a lot of work with Real and Imaginary points and the graphs have to have axes like a cross.
Radar plots don't quite cut it.
The Office Web Components goes part of the way but doesn't have complete contol.
e.g. I want the phase to go anti clockwise
and right click capability/printing etc isnt easy