I have the following warnings. Could you help me fix the problem?
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deS:=diff(x(t),t)=-0.5*x(t)*y(t)
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(1) |
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deI:=diff(y(t),t)=0.5*x(t)*y(t)-0.15*y(t)
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(2) |
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DEplot([deS,deI],[x(t),y(t)],t=0..40,x=0..1,y=0..0.6,[[x(0)=0.99,y(0)=0]])
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Warning, plot may be incomplete, the following errors(s) were issued:
incorrect number of arguments, got 51, expected 50
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Download DEtools_example.mw