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These are questions asked by mapleatha

Is there a solve(identity ...) command for systems? I have 4 identities in the variable t.
They are Q1, Q2, Q3, Q4. I try solve(identity(Q1,Q2,Q3,Q4),t), A, B, C, D), and other forms of it, but
nothing works.
Thank you!


How do I save these fonts as my default ones?                                

"Maple Input: Arial 24, Red"

and "2D Output: Arial 18, Blue".

I am using Maple 13.

Thank you!


I have 6 equations, eq1,...,eq6, with 6 unknowns a,b,c,d,f,g. I can find all the solutions with "solve".
If "solve" has found only one solution, then the ith solution number is given by sol[i]. For example,
c:=sol[3]. This comes from


However, if solve has found more than one solution,
then the jth element of the ith solution is sol[i][j]. It is thus imperative to know how many solutions
the command "solve" has found. Also, how do we restrict "solve" to look only for real soultions?
Thank you very much!


I would like to check if op(n,g) exists for a given function g and a positive integer n.
How do I do it?
Naturally, I don't have the function g. It is theoretically created.
Thank you!




Is there a way to remove the parentheses around y'(t)?

Thank you!



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