Minor: end -> endfunction
WIP on lab2
Hotfix
Refactored out tridiagonal-solver.
task2 -> task2a
Commented a bit solution for task2a.
Implemented (?) task2b.
Implemented task2c.
Inserted @end deftypefn to documentation of functions.
added test2_1.m
Added test2_2
Added test2_3
Merge branch 'task2'