File: tstdelsp.ode

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@ total=100,delay=6
@ autoeval=0
table w % 250 0 249 ran(1)
table ind % 250 0 249 flr(ran(1)*50)
table td % 250 0 249 5*ran(1)
special k1=sparse(50,5,w,ind,u0)
special k2=delspar(50,5,w,ind,td,u0)
f(u)=u/(1+u^2)
u[0..49]'=c0-u[j]-c1*f(k1([j]))-c2*f(k2([j]))
@ total=50
par c0=.5,c1=2,c2=0
d