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Questions on manipulating complicated expressions and making them look simpler using Simplify, FullSimplify and Reduce.
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How to continually simplify derivatives of function defined in a system? [closed]
For example, if I input something like
b'[t_] = a[t];
a'[t_] = -Sin[b[t]];
a''[t]
it outputs just a''[t].
Is there a way to get Mathematica to always simplify any derivatives of a and b to expressio …