What math is required?

light1986

25th February 2002 23:50 UTC

What math is required?
I know that this has probably been asked a lot, but what math is needed for using the more advanced part of the AVS?

Montana

26th February 2002 00:08 UTC

trigonemtry

Mizter_E

26th February 2002 20:05 UTC

Ive always wondered what exactly do you need to know. Cuz there are functions involving r and d. so i know you're lying montana!

flatmatt

26th February 2002 20:27 UTC

Well, depends what you want to do with AVS. The biggest things I can see are understanding polar coordinates, radians, and trigonometric functions. But there are a lot of different things you can do with AVS that take more advanced math, or you can work in rectangular if you don't understand polar. I still don't know what the heck a sigmoid is, but my presets look fine. So, it really depends on what you want to do. Remember, you don't need any math to start out if you're not writing custom movements or superscopes.

Then again, there's nothing wrong with the "type random equations and see what happens approach." :p

UnConeD

28th February 2002 14:31 UTC

Here you go:


                     1   
                 __________
sigmoid(x, a) =        -ax
                  1 + e

http://astronomy.swin.edu.au/~pbourk...d/sigmoid1.gif

The function arises in differential math, but I'll spare you the gory details. You can view it as a constraining function which maps any value from (-infinity to +infinity) onto (0 to 1). As you can see from the definition, the parameter 'a' is simply a multiplication factor for the first parameter 'x'.

psyfive

28th February 2002 15:38 UTC

Originally posted by flatmatt
Then again, there's nothing wrong with the "type random equations and see what happens approach." :p

:D

Thats what I usually end up doing:cool:

light1986

28th February 2002 21:39 UTC

Thank you.
I wasn't sure if it was any more than trigonometry. I'm luckiy that not only are we doing some of in in geometry, but I can do trig next year.

Jaheckelsafar

1st March 2002 08:19 UTC

Wish I knew I'd be trying this stuff when I was in high school. Perhaps I might have passed my Algebra/Geometry course.

On secod thought, no. The teacher was just too boring. (sleeping during class does tend to have a detrimental affect on one's marks, though it did lead to the discovery of the pillow binder :) )

flatmatt

2nd March 2002 20:45 UTC

Sleeping in math class doesn't hurt my grade... :D

Deamon

17th March 2003 09:08 UTC

I'm at High School now, believe me, you really don't learn that much math you can use for AVS's. It won't be much more than (x = x + 0.1 ). Easiest level of geometry is the best you get there. Still, it is a nice preparation on the better parts of required math.

Phaze1987

17th March 2003 10:16 UTC

light1986(nice name heheh) : it aint important what math you use but how much of it you understand...look at some basic coding,figure it out,do your own then take it to the next level. It`s not that hard you`ll see :)

PS.I sleep at languages hour,at math the teacher is VERY MEAN and gives us small grades,hard tests and makes fun of us...:(

anubis2003

17th March 2003 12:22 UTC

Another semidead thread ressurrected.
Daemon, you do learn some useful math at school if you take the right courses. Trig is very useful, and computer math/science courses also have some interesting things.

shreyas_potnis

19th March 2003 06:45 UTC

i dont know about other people, but I learnt all trig at home. we have trig in high school and I still have 2 yrs before i go there

jheriko

3rd April 2003 20:58 UTC

Heres a list of the most useful math subjects I have found for AVS:

Co-ordinate Geometry, Vectors, Matrices, Plane Geometry (In which I include Trigonometry), Solid Geometry, Calculus.

A few of specific things from different areas that are useful are random numbers, linear/bilinear/trilinear/... interpolation, projective geometry, raytracing.

Do some searches on the above using Google or something.

anubis2003

3rd April 2003 21:03 UTC

Yeah, those are the best. Too bad most HS math courses don't go into these topics in depth.:hang:

blaz

13th April 2004 18:02 UTC

well, I am a freshmen at AVS, and specialy Maths. I know the basic formulas like d=d+0.4, or x=cos(0.5)
But I just can not understand something like this:
d=log10(d*r-2+1/y*x/x+y)*sin(r*x+y/x*y+r)
I just can not believe how you can do it.
or, if someone, can tell my, how long
did I take for him, to understand all of the maths.
----------------------------------------
I apologize if my English isn't good, I am from SLovenia, if you know where that is

Warrior of the Light

13th April 2004 20:12 UTC

d=log10(d*r-2+1/y*x/x+y)*sin(r*x+y/x*y+r)

One relief... I don't get it either.

Another thing:

Another semidead thread resurrected

That should give you a hint, and yeah, I know where Slovenia is.

There is no telling about how long it took, it comes with a piece at a time. Just start digging into some code that you think you might understand (try getting my Eye-Candy from my website (www-button)) this is still easy to understand.
Learn it and start fiddling around with your own imagination and you will grow day-by-day.

blaz

13th April 2004 21:13 UTC

well, thanks, but if you don't know any maths, how do you feel if you copy formulas from any onther AVS.
But please, don't lie :)

UnConeD

13th April 2004 22:27 UTC

Please don't revive old threads with unrelated questions. Clunking on principle.