A vector is a thing that can be added together and scaled in "the intuitive way." That is, for example, if a and b are numbers and v is a vector, then av + bv = (a+b)v (vector addition distributes over scalar multiplication). The prototypical example is the collection of arrows rooted at the origin on the 2D plane, where addition has a simple geometric interpretation (you put the tail of one vector at the tip of another, the resulting point is the new tip) and scaling is "stretching." But it really could be anything that adds and scales.
30 Comments
1024_Kibibytes@lemm.ee · 55 pts · 2y
NaN is specifically not a number.
technohacker@programming.dev · 72 pts · 2y
Iron_Lynx@lemmy.world · 41 pts · 2y
Conclusion: Javascript is Neutral Evil
lugal@sopuli.xyz · 13 pts · 2y
Always has been
FlickOfTheBean@lemmy.world · 3 pts · 2y
Now that's a characterization I can get behind!
1024_Kibibytes@lemm.ee · 5 pts · 2y
That is a valid point. Also, I learned something about JavaScript. Thank you!
gandalf_der_12te@feddit.de · 1 pts · 2y
Well, it's something like the difference between
{ x: null }and{ }.Dieterlan@lemmy.world · 7 pts · 2y
That's why it's in the Evil row
Narrrz@kbin.social · 1 pts · 2y
I feel like it belongs more in the chaotic row
MxM111@kbin.social · 4 pts · 2y
Well, at least it is used in place of a number. But what about QED.?
TootSweet@lemmy.world · 20 pts · 2y
Pythagoras: Everything that exists is a number. Except irrational numbers. Fuck those things.
Valmond@lemmy.mindoki.com · 15 pts · 2y
X can be a number.
fossilesque@mander.xyz · 31 pts · 2y
TheSpookiestUser@lemmy.world · 26 pts · 2y
X is ten, as the Romans do
Jackcooper@lemmy.world · 19 pts · 2y
X is a dying website
vonxylofon@lemmy.world · 7 pts · 2y
X marks the spot.
lemmy_99c4zb3e3@reddthat.com · 3 pts · 2y
Jerkface@lemmy.world · 7 pts · 2y
Let x be any number. => x is a number. QED.
Vulwsztyn@lemmy.world · 11 pts · 2y
Do you have a version without the white lines?
p1mrx@sh.itjust.works · 20 pts · 2y
It's from https://www.reddit.com/r/AlignmentCharts/comments/181y6rk/what_is_a_number_alignment_chart/
can@sh.itjust.works · 1 pts · 2y
boo
p1mrx@sh.itjust.works · 2 pts · 2y
g-g-g-ghost!
can@sh.itjust.works · 1 pts · 2y
Jinkies
can@sh.itjust.works · 10 pts · 2y
Here you go
outer_spec@lemmy.blahaj.zone · 1 pts · 2y
numbers aren’t real dipshits, they’re just letters that want to be special
kpw@kbin.social · 8 pts · 2y
If you change "number" to "vector" you'd have mathematicians agreeing with half of those.
Speiser0@feddit.de · 3 pts · 2y
But a vector is a number, no?
kogasa@programming.dev · 2 pts · 2y
A vector is a thing that can be added together and scaled in "the intuitive way." That is, for example, if a and b are numbers and v is a vector, then av + bv = (a+b)v (vector addition distributes over scalar multiplication). The prototypical example is the collection of arrows rooted at the origin on the 2D plane, where addition has a simple geometric interpretation (you put the tail of one vector at the tip of another, the resulting point is the new tip) and scaling is "stretching." But it really could be anything that adds and scales.
lemmy_99c4zb3e3@reddthat.com · 2 pts · 2y
kpw@kbin.social · 1 pts · 2y
Not really.
sour@kbin.social · 7 pts · 2y
cryptosporidium140@lemmy.world · 2 pts · 2y
It's true, my great grandma just turned klein bottle years old
pewgar_seemsimandroid@lemmy.blahaj.zone · 4 pts · 2y
data: NaN
data: 1
NaN is 0