syrk
promote sympy inference
promote blas-lapack
cas-introduction
break up computations
break up term rewrite system
separate logpy-composition to term
separate out search-challenges
dissertation refactor
add label and chapter text
new attempt at introduction
set table of contents depth to 2
change sympy subsection titles
extract cost from introduction
add importance
fix cost include
add intro nla
remove some old make commands
draft of cost
computer algebra background