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21 lines
674 B
21 lines
674 B
2 years ago
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function I = PolygonIntegrate(Cellintel,funct,pts)
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% Funct is the x antiderivative of some function defined in the interior
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% of Cellintel. Cellintel contains the boundaries of the region of
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% interest, ordered counterclockwise and expressed as Bezier Curves
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I=0;
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for i=1:length(Cellintel)
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for j=1:2:(size(Cellintel{i},1))
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newfunct= @(t) GreensFunction(t,Cellintel{i}(j:(j+1),:),funct);
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Inow=gauss1D(newfunct,0,1,pts);
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I=I+Inow;
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end
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end
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end
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function I = GreensFunction(t,Side,funct)
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xy=dC_eval(Side,t);
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x=xy(:,1);y=xy(:,2);
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yp = dC_eval_dt(Side(2,:),t);
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I=(funct(x,y).*yp)';
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% [x y yp I]
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end
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