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mAtlAB strEAmsliCE

朋友,你没有用点乘。 [x1,x2]=meshgrid([1:1000:1000000],[1:1000:1000000]); streamslice(x1,x2,0.05*x1.*(1-x1/150000)-(1e-7)*x1.*x2,0.08*x2.*(1-x2/400000)-(1e-7)*x1.*x2)%点乘 hold on ezplot('0.05*x1*(1-x1/150000)-(1e-7)*x1*x2',[1 ...

a1 = -0.3;a2 = 1.6; [x1,x2] = meshgrid(linspace(a1,a2)); y1 = 0.5*(-(17.76*x1 - 103.79*x1.^2 + 229.62*x1.^3 - 226.31*x1.^4 + 83.72*x1.^5)+x2); y2 = 0.2*(-x1-1.5*x2+1.2); streamslice(x1,x2,y1,y2);

1、加边框: box on 2、定义x、y轴坐标范围: axis([xmin xmax ymin ymax]) 例如: axis([70 130 20 60])

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