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Re: Recursion


From: Kire Pudsje
Subject: Re: Recursion
Date: Tue, 7 Mar 2017 05:25:08 +0100



On Tue, Mar 7, 2017 at 4:24 AM, Thomas D. Dean <address@hidden> wrote:
On 03/06/2017 07:06 PM, Thomas D. Dean wrote:
I have an application that is called with two points and returns the
distance between the points and a mid point.  One example returns a
distance of 5474.  My function is not linear.  But, a more simple
example illustrates my problem.

Here is a better example, which produces the output I want to save.  The printf(...) statement displays the data I want to keep, in the order I want it.


Do you really want to recurse?

function [dist, mid] = gcr(p1,p2)
  p3 = p2 - p1;
  dist = sqrt(p3*p3');
  mid = (p1 + p2) ./ 2;
endfunction;

list = [1000,2000; 8000,9000];
idx = 1;
while idx < size(list,1)
  [distance, midpoint] = gcr(list(idx, :), list(idx+1, :));
  if distance > 300
    list = [list(1:idx, :); midpoint; list((idx+1):end, :)];
  else
    idx++;
  end
end
 

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