predprey.vw3

defequ

unknown[0]:="f(x)=a*x+b";
f(x)=a*x+b'(t):={};
f(x)=a*x+b_(t):={};
unknown[1]:="g(x)=a*x^2+b*x+c";
g(x)=a*x^2+b*x+c'(t):={};
g(x)=a*x^2+b*x+c_(t):={};
unknown[2]:=" ";
 '(t):={};
 _(t):={};
unknown[3]:=" ";
 '(t):={ };
 _(t):={   };
unknown[4]:=" ";
 '(t):={   };
 _(t):={ };
unknown[5]:=" ";
 '(t):={};
 _(t):={};
unknown[6]:=" ";
 '(t):={};
 _(t):={};
unknown[7]:=" ";
 '(t):={};
 _(t):={};
unknown[8]:=" ";
 '(t):={};
 _(t):={};
unknown[9]:=" ";
 '(t):={};
 _(t):={};
unknown[10]:=" ";
 '(t):={};
 _(t):={};
t0:=;
maxt:=;
dt:=;