3 ms·
Well function composition f(g(x)) is not the same as g(f(x)) and when you represent f and g as matrices relative to some suitable set of basis functions then ob
by laichzeit0 11mo ago
Well function composition f(g(x)) is not the same as g(f(x)) and when you represent f and g as matrices relative to some suitable set of basis functions then obviously AB and BA should be different. If the multiplication was defined any different, that wouldn’t work.
- btilly 11mo agoThe way that I used to put this was, "If I put on my shoes before my socks, I'll get a different result than if it I put on my socks before my shoes. Order of operations matters."
- bee_rider 11mo agoThe ticket collector asked me why I was getting dressed for work on the train. I asked him, “is this not the commuter rail?”