[Scilab-users] Regarding multiply-armed equiangular (or Logarithmic) spirals

[Antoine Monmayrant]

Le 18/09/12 03:32, bkpsusmitaa a écrit :
> bkpsusmitaa wrote
>> ...Will you please explain the steps, supposing that you are telling a ten
>> year old child about the nitty gritty?...
>>
> Well, not all the steps, but particularly the logic behind:
> R = r*ones(a)            // matrix of radii for all branches
> A = r*ones(a)+ones(r)*a
>
> And I am just a newbie to scilab, so I could not understand the syntaxes of
> the following:
> a = (0:11)/12*360;       // starting angles
> r = (0:30)'              // range of radii
>
> Okay, (0:11) is the range for a and (0:30) for r, but why did you use '
> after (0:30)
' is for transposition: [1:3] is a line vector:
[1:3]=[1 2 3]
whereas [1:3]' is a column vector:
[1:3]'=
[1
  2
  3]
>   and /12*360 after (0:11)?
[0:11] is [0 1 2 3 4 5 6 7 8 9 10 11] and
[0:11]/12*360 is [0/12*360 1/12*360 2/12*360 3/12*360 4/12*360 5/12*360 
6/12*360 7/12*360 8/12*360 9/12*360 10/12*360 11/12*360] ie a vector 
from 0 to 360*11/12 by increment of 360/12=30
> Thanks and regards
>
>
>
> --
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