List of technical questions:

1. Single real array with integer indices
2. Permuting and removing terms from a single real array with integer indices
3. Single arrays MATLAB-like notation
4. Double arrays of reals with basic operations
5. Double arrays with advanced operations
6. Sparse matrix type operations
7. Back and forth with arrays and matrices and remove one row and column Function D=A(IB^-1,IB^-1);
8. Computing condition number of finite element matrix cond
9. Read with MATLAB a matrix computed with FreeFem++ (thanks to Richard MICHEL) m file
10. Save info to a file
11. Read info from a file

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