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[37] | 1 | function h=plotgrid(x,y,varargin) |
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| 2 | % PLOTGRID Plot a 2-D grid |
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| 3 | % PLOTGRID(X,Y) plots a grid with vertices (X,Y). X and Y are MxN |
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| 4 | % matrices, with one entry per vertex. |
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| 5 | % |
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| 6 | % H=PLOTGRID(...) returns the handle to the grid object. |
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| 7 | |
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| 8 | washold = ishold ; |
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| 9 | |
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| 10 | [M,N] = size(x) ; |
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| 11 | |
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| 12 | hold on ; |
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| 13 | |
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| 14 | xh = [x' ; nan*ones(1,M) ] ; |
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| 15 | yh = [y' ; nan*ones(1,M) ] ; |
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| 16 | |
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| 17 | xh = xh(:) ; |
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| 18 | yh = yh(:) ; |
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| 19 | |
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| 20 | xv = [x ; nan*ones(1,N) ] ; |
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| 21 | yv = [y ; nan*ones(1,N) ] ; |
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| 22 | |
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| 23 | xv = xv(:) ; |
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| 24 | yv = yv(:) ; |
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| 25 | |
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| 26 | h = line([xh' xv'], [yh' yv'],varargin{:}) ; |
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| 27 | |
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| 28 | if ~washold |
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| 29 | hold off ; |
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| 30 | end |
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