Isolate and derive a solution obtained from dsolve
Hi
(working with maple since yesterday, so question might be elementary)
I have an ODE system with functions x(t,k),y(t,k), t is the independent variable, k is a parameter, as well as initial conditions.
What I am aiming at is a 3-d plot of the _derivate_ d/dt x(t,k) of the first solution of the system, and t and k as horizontal axes.
(I am not quite familiar with the dsolve function yet, in particular I do not know how to "isolate" one solved function from the system's solution. once i know how to "extract" the function x(t,k) and obtain its derivate, it should be a simple 3d-plotting with t and k as arguments.)
Thank you for your help
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