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I take exception to the idea that I was somehow signalling, and frankly that's a pretty weird thing to say. It happens that I love maths and am studying it part-time alongside my work. I posted some links to things that I have found useful on my journey so far in the hope that they are useful to others.

If you actually want to learn linear algebra, don't use this blogpost. It's real weaksauce compared to the wealth of free information and resources available online.

Firstly, the real illustrated guide to linear algebra is the youtube series "The Essence of linear algebra" by 3blue1brown[1]. It has fantastic visualisations for building intuition and in general is wildly superior to this, which seems fine but extremely superficial.

If you're done with 3b1b and want to take things further, then the go-to is the excellent 18.06SC course by the late and legendary Gilbert Strang. It's amazing, it's free. [2]

Still want more? OK now you're talking my language. If you are serious about linear algebra (Up to graduate level, after that you need something else) then you want the book "Linear Algebra Done Right" by Sheldon Axler. It's available for free from the author's website[3] and he has made a bunch of videos to supplement the book. There's also an RTD Math full lecture series[4] that follows the book and he explains each thing in a lot of detail (because Axler goes fast, so it's beneficial to unpack the concepts a bit sometimes).

[1] https://www.youtube.com/watch?v=fNk_zzaMoSs&list=PLZHQObOWTQ...

[2] https://ocw.mit.edu/courses/18-06sc-linear-algebra-fall-2011...

[3] https://linear.axler.net/ and https://www.youtube.com/watch?v=lkx2BJcnyxk&list=PLGAnmvB9m7...

[4] https://www.youtube.com/watch?v=7eggsIan2Y4&list=PLd-yyEHYtI...

Vectors | Chapter 1, Essence of linear algebra

YouTube