PURE DATA: Lesson 03, Basic Math & Bang Order

Video tutorials on Pure Data (Pd) with Dr. Rafael Hernandez. In this lesson, doing basic arithmetic and stressing the important of patching order to achieve successful firing of bangs.

Category:

Education

Tags:

• pure data
• pd
• music software
• music programming
• hdez

[Waterkater]

First off all thank you for you videos, What i would like to know is how to add multiple variables to an equation. Everytime i connect 3 variables to the equation it only sums up 2 at random.

[cheetomoskeeto]

@Waterkater remember that PD will sum in the order of the connections made. to force calculation order, you should use a trigger [t ] object. for numbers that will change, you'd use the right inlets of the math objects. finally, for more C-like coding, look into the [expr] object.

[bw0n6]

I am just starting to learn pd and these videos are a wonderful resource. Thanks so much Dr. Hernandez!

[cheetomoskeeto]

@bw0n6 my pleasure. hopefully more will be coming in summer 10.

[KatherineSchmied]

Hi!!! I like u video!!!could u help me with something..i have to do y=x^(2+x) and y= 1-(x)^2 .but doesn't work...and don't know why .could u help me please!!

[lukasz]

thanksf or great videos by the way, they are awesome!

[lukasz]

bit confused. so what do you mean by the argument is set before you do the addition. the argument needs the variables before it does the addition doesn't it? so 5 and 10 is set then 5 + 10 is executed. in the linking it looks like the 5 goes into to addition via trigger then 10 added after.

what is confusing is why 5 AND 10 is connected to addition. shouldn't trigger store both variables via the trigger? so really you could connect trigger to input of 5 and 10 then output trigger to addition?

[naswolmir]

Thanks a lot! Your lessons are very well done and so helpful!

[cheetomoskeeto]

@ASharawadji Has it occurred to you to use Google or your favorite search engine to have these questions answered? Trying searching for "how do I make an oscilloscope in PD." I appreciate you watching but I'm remiss to offer anymore guidance on issues whose solutions reveal themselves through simple research.

[cheetomoskeeto]

@ASharawadji [div] and [mod] both have good help files that explain their difference. as for [sin] and the others, those are often used for envelope (amplitude) shaping and fading (or crossfading) to make better responding faders and more expressive note envelopes.