/sci/ - Science & Math » Thread #14102213

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Anonymous Fri 14 Jan 16:32:46 2022 No.14102213 View Reply Original Report

Quoted By: >>14102234 >>14102242 >>14102277 >>14102313 >>14102475 >>14102487 >>14102594 >>14102610 >>14103063 >>14103555 >>14105026 >>14107114

>have to take this

>study of algorithms that use 'numerical approximations' for the problems of mathematical analysis

is this a joke ? is this what 'modern' mathematics has become ? wouldnt surprise me if the prof looks down rigor in terms of the assignments

also post your experiences if you taken it

Anonymous

Anonymous Fri 14 Jan 2022 16:37:36 No.14102234 Report

Quoted By: >>14102270

>>14102213
>is this what 'modern' mathematics has become ?
I wouldn't talk trash about modern mathematics especially when you have barely finished learning your multiplication tables.
>wouldnt surprise me if the prof looks down rigor in terms of the assignments
Classes on numerical analyses tend to be more rigorous than other classes. Obviously, estimations and upper bounds that you have to derive by yourself are an entirely different thing than spoon-fed proofs.

Anonymous

Anonymous Fri 14 Jan 2022 16:38:54 No.14102242 Report

Quoted By:

>>14102213
>is this a joke ?
Depends if you think all problems are exactly solvable.

Anonymous

Anonymous Fri 14 Jan 2022 16:45:29 No.14102270 Report

Quoted By: >>14102299

>>14102234
>Classes on numerical analyses tend to be more rigorous than other classes
not op but cmon you know this isnt true for num analysis

Anonymous

Anonymous Fri 14 Jan 2022 16:47:34 No.14102277 Report

Quoted By:

>>14102213
are you trying to say numerical analysis isnt 'rigorous enough' for you? if so I agree and felt the same way. Should be given to brainlet engineers and not pure math majors

Anonymous

Anonymous Fri 14 Jan 2022 16:53:53 No.14102299 Report

Quoted By:

>>14102270
>you know this isnt true for num analysis
I'm not talking about application here. Numerical analysis exists precisely because most mathematical problems can't be solved analytically. Obviously, solutions attained by means of numerical analysis aren't analytical closed-form solutions, but that's not the point.

The point is that OP besides being dyslexic mistakes mathematical rigorosity with analytical solutions and that in terms of rigorosity, the theorems in numerical analysis are just as rigorous as in any other field.

Sorry for this text wall but as someone who has actually dealt with numerical analysis, this hurrr durrr it's not akhchual math approach makes me go nuts.

Anonymous

Anonymous Fri 14 Jan 2022 16:58:03 No.14102313 Report

Quoted By: >>14102421 >>14102451

>>14102213
>retard has no clue what X is actually about
>this somehow means that modern mathematics are a joke
Many such cases!

Anonymous

Anonymous Fri 14 Jan 2022 17:16:54 No.14102401 Report

Quoted By:

http://math.ecnu.edu.cn/~jypan/Teaching/MatrixComp/refs/Is%20Numerical%20Analysis%20Boring.pdf

Anonymous

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Anonymous Fri 14 Jan 2022 17:20:31 No.14102421 Report

Quoted By: >>14102451

>>14102313
are u implying its not?

Anonymous

Anonymous Fri 14 Jan 2022 17:27:06 No.14102451 Report

Quoted By: >>14102498

>>14102421
>YouTube pop-math
See >>14102313

Anonymous

Anonymous Fri 14 Jan 2022 17:34:25 No.14102475 Report

Quoted By: >>14106988

>>14102213
I took a grad level numerical analysis class. It was by far the hardest math class I took in college (yes, I took real analysis too, no struggle with it), but ymmv. I thought it was the most useful math class I took since it is good for actually simulating things that exist in the real world.

Anonymous

Anonymous Fri 14 Jan 2022 17:38:57 No.14102487 Report

Quoted By: >>14102501 >>14102517

>>14102213
This board has gone to shit.
It's now only undergrad retards like this.
Fucking hell.

Anonymous

Anonymous Fri 14 Jan 2022 17:40:53 No.14102498 Report

Quoted By: >>14105841

>>14102451
>Youtube pop-math
>one of the biggest ed-fluencers who makes said topics more accessable effecively inspriing a new generation into the community

Anonymous

Anonymous Fri 14 Jan 2022 17:41:54 No.14102501 Report

Quoted By: >>14102863

>>14102487
you will never be a scientist

Anonymous

Anonymous Fri 14 Jan 2022 17:46:01 No.14102517 Report

Quoted By: >>14102863

>>14102487
>It's now only undergrad retards like this.
>fails to mention vaxx threads
>but but fuck these undergrads who post topic related threads now let me create my daily needle thread

Anonymous

Anonymous Fri 14 Jan 2022 18:00:38 No.14102594 Report

Quoted By: >>14102620

>>14102213
>rigor
>cs

Anonymous

Anonymous Fri 14 Jan 2022 18:06:10 No.14102610 Report

Quoted By:

>>14102213
Stochastic methods recently proved the relation between power level and wave number.

Anonymous

Anonymous Fri 14 Jan 2022 18:09:59 No.14102620 Report

Quoted By:

>>14102594
this class is within math undergrad pathways

Anonymous

Anonymous Fri 14 Jan 2022 18:12:54 No.14102638 Report

Quoted By: >>14102652

Everyone who posted here without a sage is a brainlet or OP(faggot).

Anonymous

Anonymous Fri 14 Jan 2022 18:15:32 No.14102652 Report

Quoted By:

>>14102638
found the OP bumping his own thread

Anonymous

Anonymous Fri 14 Jan 2022 18:58:23 No.14102863 Report

Quoted By:

>>14102501
That's correct, i am becoming rather a mathematician

>>14102517
Vaxx threads will continue to exist as long as this pandemic continous and the mods allow it. Nevertheless you would seldom see threads like this 2-3 years ago.
For fucks sake dude op is claiming numerical ANALYSIS is not rigourous just what the fuck happened to this board? I remember Cambridge, mit, ETH, etc phds posting here and having some cool discussion.
Now it's just retards.

Anonymous

Anonymous Fri 14 Jan 2022 19:45:23 No.14103063 Report

Quoted By:

>>14102213
OP, numerical analysis demands mastery of functional analysis and calculus of variations. My first encounter of linear analysis was as it was applied to numerical analysis of differential equations. It is not an easy field, nor is it a field that lacks rigor: justifications of why certain approximations work (and when they might not) require deep understanding.
Also, get off your high horse you stupid fuck. You remind me of the students I teach that come to my office hours to talk big game but are extremely limited in their actual mathematical ability. Fuck you, you obnoxious twerp.

Anonymous

Anonymous Fri 14 Jan 2022 20:34:59 No.14103282 Report

Quoted By:

Only a few problems are solvable by hand and even things like sine and cosine have to be numerically evaluated.

You just need to call numerical department when the problem is real world like

Anonymous

Anonymous Fri 14 Jan 2022 21:40:43 No.14103555 Report

Quoted By: >>14105017

>>14102213
Without numerical analysis all of modern engineering would fall apart. Enjoy living without planes and electricity you ridiculous buffoon

Anonymous

Anonymous Sat 15 Jan 2022 05:54:26 No.14105017 Report

Quoted By: >>14107089

>>14103555
>Enjoy living without planes and electricity you ridiculous buffoon
you don't need numerical analysis/computation for that at all you retarded clown

Anonymous

Anonymous Sat 15 Jan 2022 05:59:33 No.14105026 Report

Quoted By:

>>14102213
Numerical methods are awesome. I wish my computational mechanics courses spent more time on iterative methods since some of these problems take fucking hours to solve for a seemingly simply babby shit problem. Don't get more started on how long these problems take in the private industry setting. Engineers there love to blast a problem with millions of degrees of freedoms.

Anonymous

Anonymous Sat 15 Jan 2022 12:51:16 No.14105841 Report

Quoted By:

>>14102498
>one of the biggest ed-fluencers who makes said topics more accessable effecively inspriing a new generation into the community
Hence pop-math. Simplified to be accessible to brainlets.

Anonymous

Anonymous Sat 15 Jan 2022 18:48:37 No.14106988 Report

Quoted By:

>>14102475
What other math classes that you took were hard?

Anonymous

Anonymous Sat 15 Jan 2022 19:21:34 No.14107089 Report

Quoted By:

>>14105017
Yeah, you do. You literally need calculator. What the fuck do you think a calculator is doing? What do you think we use calculators for?;

Anonymous

Anonymous Sat 15 Jan 2022 19:28:27 No.14107114 Report

Quoted By:

>>14102213
My Computational Methods course was actually the funnest course of my entire math career. Taught by a rigorous Russian bitch who has contributed to most of modern manufacturing just by being autistic about bezier/polynomial surfaces and splines.

There's more rigor there than you think, you have to prove whether your problem is well-posed, whether your algorithm will actually converge, what conditions have to be met etc. Then you have to analyze the error of your algorithm, either through proof or through experiment. It actually really opens your mind to computers and their limitations and really makes you appreciate polynomials (one of the few mathematical functions we can actually calculate exactly).

Also, the skills in the class contain the only skills of industry value in mathematics. When you inevitably fail your graduate studies it will be the only class you can lean on to beg for work you hopeless loser.

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