@mathsy.io: Matrices, from the very beginning. The full lesson, no steps skipped. A matrix is just a grid of numbers, and yet it's how a computer straightens a photo, how every 3D game draws its world, and how engineers solve millions of equations at once. By the end you'll know why, and you'll never have to memorise a rule. Skip to: 0:37 Multiplying is a move 2:04 Every point is a recipe 3:17 Moving the plane 5:48 Rotations, reflections, shears 7:45 Where matrices are used 8:42 Simultaneous equations 10:54 Multiplying matrices 13:45 The determinant 15:33 The inverse 18:22 Powers and Fibonacci 20:24 So, what is a matrix? Save it for revision. Part two, eigenvectors, is next. #maths #matrices #furthermaths #alevelmaths #mathstok

mathsy.io
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Monday 19 October 2026 20:01:17 GMT
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stuart31971
Stuart :
this is from 1blue3brown right?
2026-10-26 14:50:37
1
2000018fd
Tim :
atill complicated, where does here y (by 3,1) and x (by 1,2)direction go?
2026-10-19 23:38:11
1
rxyyxxn_i
Rayyaan :
You just taught me everything I learnt in my first semester in 20 mins thank you🙏
2026-10-19 21:14:53
12
b_kanyi_254
@_K A N Y I_🙏 :
😍nicely done
2026-10-26 14:06:56
0
snazzypillow
snazzypillow :
AI SLOP
2026-10-22 12:13:12
0
snazzypillow
snazzypillow :
AI SLOP
2026-10-22 12:13:18
0
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