if i assign 4 position(x,y) can i make a point and line to connect it together like freehand drawing
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if i assign 4 position(x,y) can i make a point and line to connect it together like freehand drawing ? and i can find the area of this ?
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Walter Roberson
am 26 Jan. 2012
X = [x1 x2 x3 x4 x1];
Y = [y1 y2 y3 y4 y1];
plot(X,Y)
polyarea(X,Y)
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