added tutorial about linear systems

[lucaferranti]

No description provided.

[codecov-commenter]

Codecov Report

Merging #69 (3a3fee3) into main (35a94cd) will not change coverage.
The diff coverage is n/a.

❗ Current head 3a3fee3 differs from pull request most recent head 756668e. Consider uploading reports for the commit 756668e to get more accurate results

@@           Coverage Diff           @@
##             main      #69   +/-   ##
=======================================
  Coverage   97.40%   97.40%           
=======================================
  Files          12       12           
  Lines         308      308           
=======================================
  Hits          300      300           
  Misses          8        8           

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 35a94cd...756668e. Read the comment docs.