比如选取一个不规则四边形内的点:
- 确定四个点的坐标, declaim四边形:
xv=[x1,x2,x3,x4,x1]; % sym2double
yv=[y1,y2,y3,y4,y1];
figure
plot(xv,yv)
xlim([0,2.4])
ylim(
比如选取一个不规则四边形内的点:
xv=[x1,x2,x3,x4,x1]; % sym2double
yv=[y1,y2,y3,y4,y1];
figure
plot(xv,yv)
xlim([0,2.4])
ylim(