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matlab中画圆

已有 1033 次阅读2007-6-21 10:02

% plot circles in orthogonal coordinates
% x0, y0 is origin; R is radius
function circle(x0,y0,R)
alpha=0:pi/100:2*pi;
x=x0+R*cos(alpha);
y=y0+R*sin(alpha);
plot(x,y)
axis equal

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