Recent content by dragozarkovic

  1. D

    Double integral over triangle with known nodes

    x=(1-u)*x1+u*((1-v)*x2+v*x3); y=(1-u)*y1+u*((1-v)*y2+v*y3); %this way you went form x,y to u,v I=x^2+y^2; %concerning first change from x,y to u,v I should be: %I=(u*(v*x3 - x2*(v - 1)) - x1*(u - 1))^2 + (u*(v*y3 - y2*(v - 1)) - y1*(u - 1))^2 A=(x2*y1 - x1*y2 + x1*y3 - x3*y1 - x2*y3 +...
  2. D

    Double integral over triangle with known nodes

    I suppose this will work for given type of triangle, I am not going to check it. But most people need universal solution. I took me a lot of time to get to this and it works (all is written in Matlab code). Lets say you have triangle (x1,y1) (x2,y2) (x3,y3) and you want to calculate integral...
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