I will be teaching Linear Algebra next semester and so I now have two copies of the same textbook with me. When I learnt the subject, we used the 7th edition, this time round, I will be teaching from the 8th edition. Frankly, I don’t see any difference in the two. (The latest news is that the 9th edition will be released this year.)
Back to my linear algebra text, which had a new edition published about every 4 years. Now, let’s recall what wonderful breakthrough in the field of linear algebra has occurred over the past 25 years that required the author to keep up to date. Did I hear nothing? Mr Schmidt of Gram-Schmidt died in 1959.