ODE 23 PROBLEM??

F = @(t,y)y

[t,y]=ode23(F,[0 1],1)

Output argument "X" (and maybe others) not
assigned during call to "ode23".

What is the problem????

Answer 1

[madhan ravi]

Probably you may have a function file named F/ode23 please delete it or rename it , your code works perfectly fine.

[t,y]=ode23( @(t,y) y ,[0 1], 1) % can also use ode45

what shows up for

which ode23 -all
which F -all