mathchillguy
Region: US
Friday 11 September 2026 11:09:27 GMT
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ClaxMcb :
so um if u get into stochastic calculus, the second order piece becomes non-trivial and u need it for wiener processes to describe random stock price movements 🤓
2026-09-11 16:53:09
320
name man 🇵🇸🇪🇬 :
Who needs taylor series when you can use perturbation instead?
2026-09-11 15:18:44
89
me.probably.idk :
sin(x) = x confirmed
2026-09-11 21:11:17
147
Zach.ζ(s) :
MacLaurin series ❌ Taylor series centered at zero ✅
2026-09-11 18:07:18
215
L_NBA_SCRIPT :
Physicists try not to be insufferable challenge: Level IMPOSSIBLE
2026-09-11 17:34:59
89
Yo :
That’s why so many engineering projects fail
2026-09-11 14:49:36
34
⫍ ⃢👁ܫ👁⃢ ⫎ :
one might even say that "f(x)=y" is the superior form
2026-09-11 19:35:18
32
Co Op :
The real trick is understanding how accurate a given calculation needs to be. Engineering needs “good enough.” Real mathematical progress needs perfectly accurate.
2026-09-11 14:52:18
17
mrprettyflaco :
“engineers… on the assumption that pi is basically 3” that’s very false and misleading
2026-09-11 23:49:52
1
ToastIsFat :
I regret to inform you that if you get into numerical methods, simulation, or FEM that the 3rd and 4th terms become important again
2026-09-11 20:18:41
13
𝙨𝙖𝙞𝙛𝙛𝙮𝙮𝙥𝙤𝙤𝙥𝙤𝙮 :
most phenomena really just need the first or second terms, rarely the third and beyond except for simulation/analytical results where error or precision is important
2026-09-11 17:51:15
7
█████ :
Good one, good one
2026-09-14 01:18:02
0
andrew <3 :
sin(x) = x cos(x) = 1
2026-09-12 00:02:38
1
gasbug1 :
just use dual numbers f(x+ eps) = f(x) + eps*f'(x)
2026-09-11 22:08:00
2
Crustacean Advent Calendar :
Never understood Why transport/heat equations Are derived this way When using the Full Taylor expansion isn't that difficult
2026-09-11 17:12:07
0
Wake up :
nah i agree with mathematicians
2026-09-14 10:57:04
1
el alef cero :
in statistics also and you impress others saying "using first order of the Taylor" 😅
2026-09-11 16:29:38
2
papo_ishtar :
Solid state physicists definitely use the second and higher terms. The effective mass, used in characterization of the dynamics in semiconductors, is literally dependent on that second order term. Furthermore, any modeling as the extrema always loses its linear term (cuz it’s an extrema) so the second order is needed. Lastly, if you require parity conservation, you need more terms since you lose 1/2 of them.
2026-09-11 23:49:51
2
fupa :
oh hun
2026-09-12 17:10:31
0
fish :
we have computers that calculate this shit for us 😂
2026-09-12 02:48:52
0
alex :
it's just topology....
2026-09-14 18:17:59
0
v v v :
truly, we don't need this much precision
2026-09-14 07:20:59
1
jaxom_hartman :
wait til you see the Taylor series expansion for spurious mixer products
2026-09-13 04:36:16
0
first order taylor approx. :
so true!!
2026-09-12 18:50:02
0
mokowmzs3pp :
Exponential map go brr
2026-09-11 14:54:10
0
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