File: d1-14.code

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scilab 2.4-1
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xinit('d1-14.ps');
deff('[ydot]=f(t,y)','ydot=[a-y(2)*y(2) -1;1 0]*y')
a=1;comp(f);
y=ode([1;0],0,0:0.02:20,f);
plot2d(y(1,:)',y(2,:)',[1],'011',' ',[-3,-3,3,3],[10,2,10,2])
xtitle('Van der Pol')