Archived threads in /sci/ - Science & Math - 75. page
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Any recomendation on old science textbooks? I feel comfy reading old textbooks because prefer the old writing style of people back then, a bit purple prose, but much better than today's dry writing.
If the books are less outdated with current science, the better, but I wont be rejecting anything. Just feel free to post.
Google Books has it.
Read anything by Dover books. Everything they print is pre 70's just about.
Query:
Will the shortest path using the travelling salesman rules ever cross itself?
Because before reading any papers, my intuition says "no" since if the path crosses that means you backtracked at some point, which means it cant be the shortest possible path....
>>8141382
It can cross. If a node is hanging you have to go back to his previous node
>>8141390
Sorry I should be a bit more specific:
With a given matrix of dots that you can travel from one to ANY other dot (no limited movement)
And you need to traverse it with salesman rules (visit every dot once and get back to start)
Will your shortest path ever cross itself?
>>8141398
No.
https://en.wikipedia.org/wiki/2-opt
Hello /sci/
Its 2 AM in the morning here and I kinda had some decent breakthrough in geometry.
Still verifying if the methodology I implemented is correct or not. But I am happy. :)
The reason about posting it here is I wanted to share this happiness with someone but I just now realised that I have no friends to share it with.
Also recent breakthrough's thread I guess?
>>8141374
Going to give any details at least about this breakthrough?
>>8141502
It is about capturing data from 5 dimensional space from 3 dimensional viewers perspective.
It kinda sounds meaningless but this math was required for some research in physics which is going to start in a few months
>>8141374
Love u OP ~
>"People who boast about their I.Q. are losers" -Stephen Hawking
/entireboard
source ?
http://www.nytimes.com/2004/12/12/magazine/the-science-of-secondguessing.html
>>8141143
If he's so smart then why can't he walk?
Do you study at home or the library?
I go to the library just to avoid being distracted by noise and other people
>studying
>>8141114
>not being able to just sit in lectures and memorize everything there
>>8141825
>going to lectures
it's like you enjoy wasting your time
Why haven't any of you used your statistical and computational skills to make millions?
>>8141027
>caring about money
>2016
fucking hedonistic pleb
>>8141027
>and still dressing like a white american from the middle class trying to look good
>>8141027
I have.
What exactly is this a map of? Why is it an oval?
>>8140955
It's an all sky map of the CMB. Use google.
>>8140955
Its what the universe looks like from earth
>>8140964
No it's not, unless you "look" with an extremely advanced and specialized microwave detector.
Why does math make me fucking panic?
I completed all my hw and I am so scared to take the exam (it's online) I've failed cal 2 twice because of avoidant behavior I have. I get so terrified of doing bad that I just sort of put it off. I don't know how to overcome it.
>>8140952
>Failed twice because of avoidant behavior
I swear if schools just allowed for regulated consumption of weed before major tests this wouldn't be such a common problem.
I have pathological anxiety that manifests as avoidance when not managed properly.
find a therapist.
>>8141073
How does one go about finding a therapist, preferably psychiatrist, without using parent's health insurance?
Riddle me this, brainiacs: If there exists a sodium content greater than zero that is some non-zero percent of the recommended daily value, how can 10mg be 0%? By the way this is not Perrier, it's San Pellegrino you uncultured fucks.
Sent from my iPad
>sent from my iPad
7/10, actually gasped with sudden rage.
>>8140702
>>8140702
it means you'd die from water or calcium poisoning before you would die from sodium poisoning.
durrrrrr
How would a 4 dimensional object look in our world. Would we only see a weird cross section or something else?
>>8140638
>>>/x/
>>8140638
Do you understand what dimensions are?
We can't actually visualise a fourth dimensional object.
12345679 x 9 = 111111111
12345679 x 18 = 222222222
12345679 x 27 = 333333333
12345679 x 36 = 444444444
12345679 x 45 = 555555555
12345679 x 54 = 666666666
12345679 x 63 = 777777777
12345679 x 72 = 888888888
12345679 x 81 = 999999999
but WHY ?
>>8140557
the first one is neat, the following lines, however, are less impressive - and you should be able to see why..
>>8140563
I SEE WHY
NAO EXPLAIN THE FIRST ONE
>>8140568
12345679*9 = 12345679*10 - 12345679
They say Einstein was really bad at math as a student and even failed a calculus exam.
Which calculus was it? I'm having trouble with integral calculus :(
Did they say how he improved himself and ended up becoming a math genias?
I mean if even Einstein had a tough time, does that mean there is still hope for me?
>>8140547
kys
>>8140547
yes, everyone that sucks at math is a genius that will revolutionize physics.
In related news, Darwin was said to hate vomiting, and I hate vomiting so I know I'm going to be a great evolutionary biologist.
>>8140547
It is a myth. In fact, before he was 15 he mastered differential and integral calculus.
Which one is most likely to be true as far as results in relativistic physics are concerned?
>>8140458
eternalism.
>>8140458
Possiblism
>>8140458
>nowism
post your collections (sorry for shit quality)
>>8140333
No one will ever give a shit about your rock collection
Why do you stack up rocks on a shelf?
>>8140333
Rock on dude
What's the scientific explanation for this phenomenon?
https://www.youtube.com/watch?v=FHi6LjKuNl4
https://www.youtube.com/watch?v=MApXSlNiVdU
https://www.youtube.com/watch?v=_P4XOiMKLhk
faulty machinery
>>8140278
D.U.M.B.s
Deep underground military bases would be my best guess. That or angels learning how to angel.
reminds me of stalker
blowout soon
