3.26.3 Can you answer these questions?

3.26.3.1 Graph that shows how symbols are used in an expression

http://mathematica.stackexchange.com/questions/134180/graph-that-shows-how-symbols-are-used-in-an-expression

 
I would like to make a graph to show how symbols build up an expression. For example, the matrix multiplication 
 
$$ 
\left( 
\begin{array}{ccc} 
a & b & c \\ 
d & e & f \\ 
\end{array} 
...
 

- asked by ConvexMartian 4votes

3.26.3.2 Question about DynamicModule

http://mathematica.stackexchange.com/questions/134063/question-about-dynamicmodule

 
I have a such custom function: 
 
MyCopy := DynamicModule[{from, to}, 
Print@Grid[{{FileNameSetter[Dynamic[from], "Directory"], 
Dynamic[from]}, {FileNameSetter[Dynamic[to], "Directory"], 
...
 

- asked by yode 3votes

3.26.3.3 General solution of inscribed square problem

http://mathematica.stackexchange.com/questions/134237/general-solution-of-inscribed-square-problem

 
There is my earlier  question about Inscribed square problem 
 
Now I tried to find the general solution for any curve $f(x,y)=0$. 
 
For instance : 
 
$\qquad \left(x^2+y^2-1\right)^3-x^2 y^3=0$ 
 
...
 

- asked by vito 5votes

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