Grasshopper

algorithmic modeling for Rhino

find number from two proportions

Hey there,

i have some trouble finding a factor from 2 proportions/relations


I added a screenshot that explains my question

I have the relation:


L long : move long = L short : move short...(i need to find move short!)

in other words i can say:

L long : Lshort = Move long : move short


I do have the exact numbers of:

L long
L short
Move Long

==> move short?????
 

how would i set up my definition to get the exact number of "move short"

i guess it's done with some kind of domains and remap numbers?

thanks 

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Permalink Reply by David Rutten on May 9, 2014 at 3:53am

If A/B = C/D then you can rewrite them as follows:

A = BC/D

B = C/DA

C = DA/B

D = A/BC

Is that what you were after? I found it hard to work out what was going on in your jpeg. The colours and (rather severe) compression factor introduced a lot of noise in the image.

--

David Rutten

david@mcneel.com

Permalink Reply by maxk on May 9, 2014 at 4:10am

thanks a lot!

I'm sorry for the image...

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