Today, I make my Isogeometric Analysis library available to you.
Written in Matlab, it reflects the time and effort that I spent in graduate school. It also shows unfortunate age, as B-splines and NURBS are fully supported, but not T-splines and other basis that are state-of-the-art. One day, I hope to return.
You can find my Isogeometric Analysis library here:
Download from GitHub
If you like regular, vanilla Finite Element Analysis:
Download from GitHub
In numerical linear algebra, we create ways for a computer to solve a linear system of equations 
Perturbation theory concerns how much error we incur in the solution 
I will define and prove the statement, and help you understand it by “hearing” it.
This year, I took up cross-stitching to decorate my place. I picked a complex design for the heck of it, too. Shortly after I inserted three strands into the fabric, I realized that we could cast cross-stitch as an optimization problem (shortest path).
See, if your strands haphazardly jump from one block to another, you will suffer a shortage of strands. The key is to, whenever possible, move from one block to an adjacent one horizontally or vertically by 1 unit. If that is not possible, then move diagonally in the fewest units possible.
By following these procedures, we get x’s on the front and a neat array of l’s on the back. I even saved enough strands to create a full border.
crunchingnumbers(a)live 
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