The Math 250 Lecture Summary (LS35.pdf) from Williams College outlines core linear algebra concepts, focusing on the transformation and representation of linear maps, including change of basis and function composition. The document also covers determinants, specifically noting the limitations of Laplace expansion for non-sparse matrices. For a direct review, see Williams College Math Department web.williams.edu/Mathematics/lg5/250/LS35.pdf. Math 250 Lecture Summary
