## 95 Reputation

4 years, 237 days

## Solve/Identity for Systems?...

Maple

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!

maplatha

## How Do I Save This As My Default Font?...

Maple 13

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!

## How many solutions has "solve" found?...

Maple

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

sol:=solve({eq1,eq2,eq3,eq4,eq5,eq6},{a,b,c,d,f,g});

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!

mapleatha

## How do we check whether op(n,g) exists?...

Maple 13

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!

mapleatha

## Parentheses around y'(t) in Maple?...

Maple 13

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

Thank you!

mapleatha

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