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Curated by: StatQuest with Josh Starmer (303 videos)
Before writing this song, I could never remember if, when we multiplied to matrices together, we multiplied rows by columns or the other way around. Now I'll never forget that we multiple the rows in the first matrix by the columns in the second matrix. BAM! If you'd like to support StatQuest, please consider... Patreon: https://www.patreon.com/statquest ...or... YouTube Membership: https://www.youtube.com/channel/UCtYLUTtgS3k1Fg4y5tAhLbw/join ...buying my book, a study guide, a t-shirt or hoodie, or a song from the StatQuest store... https://statquest.org/statquest-store/ ...or just donating to StatQuest! https://www.paypal.me/statquest Lastly, if you want to keep up with me as I research and create new StatQuests, follow me on twitter: https://twitter.com/joshuastarmer #StatQuest