Ebook: Linear Algebra For Dummies

I really like the approach of this book, as it uses good analogies, examples, graphs, and figures that appeal to your intuition to give deeper meaning to the subtleties of linear algebra. But it is a shame there are typos and mistakes. One in particular blew my mind - on p. 51 she states " A square matrix is singular if it has a multiplicative inverse; a matrix is non-singular if it does not have a multiplicative inverse." This is exactly opposite of how everyone else defines "singular", but she uses this definition consistently throughout the book, so either it's a mistake or she has decided to rewrite the rules of linear algebra. Either way, it's not helpful!!!

I hate having to make corrections on a book I just paid for, but for the price, what can you expect? Most textbooks on the subject are between two and ten times more expensive, and they have mistakes too. But the other books are dense, dry, and boring. At least this book attempts to make linear algebra interesting, if not fun.