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/sci/ - Science & Math

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10542885

Anonymous Wed Apr 10 18:29:57 2019 No.10542885 [Reply] [Original]

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>>	Anonymous Wed Apr 10 18:34:27 2019 No.10542905 >>10542885 9^e = 392.554602272...

>>	Anonymous Wed Apr 10 18:35:10 2019 No.10542912 stupid thread I have a better question how to improve my eyesight? I'm almost completely blind glasses don't help and I can't afford laser op

>>	Anonymous Wed Apr 10 18:40:40 2019 No.10542949 >>10542912 You need to build muscle, the healthier diet from it will help your eyes.

>>	Anonymous Wed Apr 10 18:42:30 2019 No.10542959 >>10542885 9^e = 9 * 9 * 9^(2-e)

>>	Anonymous Wed Apr 10 18:43:50 2019 No.10542968 >>10542912 Have a healthy diet, one that facilitates good eyesight. Other than that, have smarter viewing habits.

>>	Anonymous Wed Apr 10 18:46:35 2019 No.10542986 >>10542885 >>10527130 >>10527130

>>	Anonymous Wed Apr 10 18:48:32 2019 No.10543007 >>10542968 >>10542949 wwhat is healthy diet?

>>	Anonymous Wed Apr 10 18:51:25 2019 No.10543021 >>10542959 I came here to post this

>>	Anonymous Wed Apr 10 18:59:07 2019 No.10543039 >>10543021 Is it a known meme or how would you have writte down that wrong statement in particular?

>>	Anonymous Wed Apr 10 18:59:55 2019 No.10543042 eeeeeeeee

>>	Anonymous Wed Apr 10 19:01:13 2019 No.10543048 >>10542885 9x9x9 e=3=pi

>>	Anonymous Wed Apr 10 19:02:37 2019 No.10543055 >>10542905 >>10542959 >>10542885 Exponentiation can't be defined by recursive multiplication on non integers. How can you all be so sure that 9^e is even a number?

>>	Anonymous Wed Apr 10 19:04:52 2019 No.10543066 >>10543055 Is it an operator?

>>	Anonymous Wed Apr 10 19:05:33 2019 No.10543069 >>10543066 what do you mean by that?

>>	Anonymous Wed Apr 10 19:05:47 2019 No.10543070 >>10542885 [math]9^e=e^{e ~ ln9}[/math], where [math]e^x[/math] is defined as the solution to the differential equation [math]Df(x)=f(x)[/math] and [math]f(0)=1[/math], and [math] ln(x) = \int_1^x \frac{dt}{t}[/math].

>>	Anonymous Wed Apr 10 19:06:55 2019 No.10543076 >>10543069 >he doesn't know what an operator is

>>	Anonymous Wed Apr 10 19:07:23 2019 No.10543079 >>10543070 you can't be sure that a real solution to the differential equation is guaranteed.

>>	Anonymous Wed Apr 10 19:08:03 2019 No.10543084 >>10543079 Sure can, Picard-Lindelof.

>>	Anonymous Wed Apr 10 19:08:24 2019 No.10543086 File: 50 KB, 605x605, 40f90d1e018c5683jpg.jpg [View same] [iqdb] [saucenao] [google] >>10543070

>>	Anonymous Wed Apr 10 19:08:30 2019 No.10543088 >>10543076 >is >it >an >operator >? is what an operator?

>>	Anonymous Wed Apr 10 19:10:26 2019 No.10543097 >>10543084 >requires completeness on the reals The theorem is irrelevant.

>>	Anonymous Wed Apr 10 19:10:38 2019 No.10543098 >>10542959 > 9^e = 9^(4-e) Someone needs to go back and review his exponent rules

>>	Anonymous Wed Apr 10 19:10:55 2019 No.10543100 File: 758 KB, 719x721, 1554433124868.png [View same] [iqdb] [saucenao] [google] >>10543086

>>	Anonymous Wed Apr 10 19:11:43 2019 No.10543105 >>10543097 What's wrong with the Dedeking cut construction?

>>	Anonymous Wed Apr 10 19:14:38 2019 No.10543119 >>10543105 Nothing. What's wrong is the theorem was discovered before Dedekind. You got lucky, you fucks.

>>	Anonymous Wed Apr 10 19:16:28 2019 No.10543126 File: 245 KB, 1153x1153, __shiki_eiki_touhou_drawn_by_sasa_kichi__61b6b04f103911797841a9a21f26ef8e.jpg [View same] [iqdb] [saucenao] [google] >>10543119 Dark spirit status: banished. Clean the thread up, jannie.

>>	Anonymous Wed Apr 10 21:45:27 2019 No.10543796 just find a taylor expansion for 9^x and plug in e. great way to define exponentiation over the reals

>>	Anonymous Wed Apr 10 21:46:59 2019 No.10543802 you can define exponentiation for the rationals trivially and then just cauchy sequence that shit to the reals

>>	Anonymous Wed Apr 10 22:28:10 2019 No.10543921 >>10543070 >where [math]e^x[/math] is defined as the solution to the differential equation holy shit kill yourself faggot. [math]e^x[/math] is defined as [math]lim_{n \to \infty} (1 + \frac{x}{n})^{\frac{1}{n}}[/math]

>>	Anonymous Wed Apr 10 22:30:38 2019 No.10543927 >>10543126 based math shaman >>10543105 >>10543119 cauchy sequences construction is superior to Dedecuck cuts any day of the week except Sunday

>>	Anonymous Wed Apr 10 22:31:30 2019 No.10543934 >>10543802 >then just cauchy sequence that shit /sci/ now officially works as an anonymous image board.

>>	Anonymous Wed Apr 10 22:38:17 2019 No.10543960 >>10542949 Inb4nomusclemassguy

>>	Anonymous Wed Apr 10 22:42:54 2019 No.10543976 File: 377 KB, 605x605, Untitled2.png [View same] [iqdb] [saucenao] [google] >>10543086

>>	Anonymous Wed Apr 10 22:58:33 2019 No.10544040 File: 81 KB, 600x536, Girls.jpg [View same] [iqdb] [saucenao] [google] >>10543070 >he didn't do early transcendentals

>>	Anonymous Wed Apr 10 23:59:05 2019 No.10544227 File: 69 KB, 300x300, Colgate-Seal-FINAL.jpg [View same] [iqdb] [saucenao] [google] >>10543976 >>10543086

>>	Anonymous Thu Apr 11 00:01:03 2019 No.10544232 >>10543921 >what are equivalent definitions

>>	Anonymous Thu Apr 11 00:07:38 2019 No.10544255 >>10543921 [math] \displaystyle lim_{n \to \infty} \left ( 1 + \dfrac{x}{n} \right )^{\frac{1}{n}} [/math] Optimized.

>>	Anonymous Thu Apr 11 00:10:06 2019 No.10544261 >>10543921 [math] \displaystyle \lim_{n \to \infty} \left ( 1 + \dfrac{x}{n} \right )^{\frac{1}{n}} [/math] Optimized.

>>	Anonymous Thu Apr 11 00:14:24 2019 No.10544276 File: 126 KB, 1920x1541, 4320938475.jpg [View same] [iqdb] [saucenao] [google] >>10544040 >tfw the morning class was full so had to do late transcendentals instead

>>	Anonymous Thu Apr 11 00:14:54 2019 No.10544278 >>10544232 two statements being equivalent doesn't change the fact that one is the definition and the other isn't drop out and never look back. you're useless

>>	Anonymous Thu Apr 11 03:03:27 2019 No.10544840 >>10543088 You dense motherfucker. Let me rephrase the question. Does it happen to be an operator?

>>	Anonymous Thu Apr 11 03:09:56 2019 No.10544863 >>10544840 Is this a forklift meme?

>>	Anonymous Thu Apr 11 03:38:41 2019 No.10544971 is this the brainlet math helpthread someone halp me find local max/min for x^4e^-x

>>	Anonymous Thu Apr 11 04:05:56 2019 No.10545060 Knuth defines real exponents as far I can tell (TAOCP 1, p. 22), is there anything wrong with applying his fairly simple definition here?

>>	Anonymous Thu Apr 11 05:10:08 2019 No.10545203 >>10544971 Take first and second derivatives, find their roots.

>>	Anonymous Thu Apr 11 08:22:43 2019 No.10545578 >>10544840 >does it happen? >is it an operator? What is it?

>>	Anonymous Thu Apr 11 08:36:02 2019 No.10545605 >>10545578 an operator

>>	Anonymous Thu Apr 11 08:45:56 2019 No.10545629 But what is 9^(a+bi)

>>	Anonymous Thu Apr 11 08:55:14 2019 No.10545646 File: 71 KB, 475x476, 1455160579604.jpg [View same] [iqdb] [saucenao] [google] >>10544040 >mistaking the title of a freshman-year textbook for the name of an actual subject

>>	Anonymous Thu Apr 11 10:37:36 2019 No.10546002 >>10545629 (9^a) * (9^b)^i

>>	Anonymous Thu Apr 11 10:42:23 2019 No.10546007 >>10543055 Because exponent is defined as the differentiable function that satisfies f(x)=f’(x) for any real x and f(0)=1.

>>	Anonymous Thu Apr 11 10:54:06 2019 No.10546028 >>10542885 >>10543055 >What is 9^(1/2)?

>>	Anonymous Thu Apr 11 10:57:34 2019 No.10546038 >>10544971 Function is non negative and zero at x=0, this is the first minimum

>>	Anonymous Thu Apr 11 10:58:55 2019 No.10546045 >>10543055 It's defined as a limit. Now go read a book instead of asking to be spoonfed.