I have set of graphs say with names

Graph1,Graph2,..., Graph50.

1) I want to print all these using a single for.

2) I want to check the Isomorphic property of which two are all Isomorphic pairwise using a for loop say 

Or if any other methods kind help with suitable advice.

I would like to use a python open source package available on internet via pip install in maple on my maple code

Package name mathchem

Link of the package mathchem · PyPI

Any advice how to

I have a data with one dependent variable Y say and 32 independent variables say X1,X2,X3,....

Now I need to find the best say, a linear fit with the role playing independent variables only choosen so that I get pvalue less and R^2 and adjusted R^2 more than 90%

Even if possible to write for a nonlinear fit too

How to do such a code

Kind help with your advice

I have my data in Excel sheet which I need to import

How to fprintf say a plot into a docx file in maplesoft

kind help

Now I have a Matrix say  

Now I have another matrix say 

Now my second matrix has to be appended below the previous matrix the number of coulmns will the same in each case.

Again if create a new matrix I will ask it to append below the already appended new matrix and so on 

and lastly I want to export the matrix to excel.

If someone can help your work will be 100% acknowledged

I alpologize for any inconvince caused kind help