Archived threads in /sci/ - Science & Math - 1032. page

>>8571551
Is this supposed to be answerable or is it just an epic meme?

How is a coin biased?

>>8571570
Whether it's answerable is entirely the point

cut the planet into canada and not canada, blow up not canada

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fuck off with that shit

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Only Alaskans, Canadians, Scandinavians and Siberians would survive.
Americans should expect a test starting next week.

What was the title of your thesis?

If you didn't do a thesis, why?

>>8571135
it was just pointless regurgitation of a proof from a book about prime numbers being close together.

>>8571138
>prime numbers being close together

Elaborate please. What was the title? How did you make a worthwhile paper out of one old proof?

You don't seem too thrilled about it either. Why'd you pick such a shitty topic?

>>8570277
No amount of doomsday prepping is going to save you from an army of dindus, you will get eaten alive.

Stop contributing to the problem by driving.

>>8570376
Jesus, only 20-50 years. Well, for the resources shown at least. I suppose there isn't a formula that can be applied to all consumables.
>>8570388
I don't actually drive. Besides, we'll all become dindus once enough of the resources that enable our cushy lifestyles become scarce.

In fact, it took since the beginning of the universe.

>>8569904
don't forget we basically still don't have a clue about the origin of life. how exatly does dead matter turn into something that lives? figuring that one out would answer all of your questions as well as a lot of others.

>>8569909
>>8569918
i mean after a planet is formed and begins to be ready to support basic life, from that point

I know, already! Quit rubbing it in.

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>>8569628

https://www.youtube.com/watch?v=hc4OD1Xr3sU

>>8569628
It's the one that feels superior to others that's usually the dumbest.

>>8569931
Maybe for biophysics

>>8569931
You'll get chemistry so yes.

>>8569931
Hardy-Weinberg equation is algebra, so yes.

>>8574079
i stayed clean my whole life and got really good grades from 10th to 12th grade but then i fucked up in uni by doing really bad in a major that's not that tough (biochemistry/physiology)
but i think my flaws are just time management and organization

>>8574087
>time management and organization
Its literally a meme
you just need to do what you enjoy
and you need to enjoy math

you think Newton had a fucking work schedule? no he was just an autist that liked to play with numbers and stuff and one night he was playing with his imaginary number friends and invented a new branch of math

just sayin

>>8574099
Newton also didn't live in an ADHD world like ours. Also, Newton was fucking Newton. Get the fuck out

>>8572335
>Calculus 1
>/sci/

Please leave.

>>8572335
I got a 120 in calculus 1

I got a 100 in Calc 2. You know how much pussy that grade got me?

Even if your school has an A+ grade, don't kill yourself trying to achieve something that literally doesn't matter.

http://www.physicstutorials.org/home/mechanics/1d-kinematics/relative-motion

>>8572015
I don't see how this helps. The plane takes off with the same tangential velocity as the ground in Canada (let's say 500 mph). The ground speed must increase as it travels south to conserve angular momentum. But the plane doesn't have to point East to catch up to the ground. So I'm asking, where does that additional eastward velocity come from?

>>8572028
The air spins with the fucking planet you tard. Airspeed is measured relative to the air around you.

>>8571646
>I'm a literature major. I have a degree in it. I grew dissatisfied with work as a scholar and returned to college to pursue science. My friend advised me against physics as being too hard. I've enjoyed the math courses I've taken so far, but I'm no math genius: Is he right? I know I'll never be Einstein, but I want to pursue a career as a researcher or something to that effect.
then study EE. physics is harder (and here also harder than math due to a heavier workload in the first few semesters) than engineering classes.

>>8571646
It sounds like you have an idealistic view of things. You are going to be unsatisfied no matter what career you choose.

>>8571646
>physics
>hard
Pick one

>>8571574
Sucking less at maths
Being more patient
Finding my way
Losing my virginity
Continue doing sports

I want to be able to predict the lottery

Spend more time with my wifes son

These look like really big atmospheric distortions from a high pressure -> low pressure front. If you spend any time looking at the moon these are actually really common, although they tend to be a lot smaller. I have no doubt that every once in a while you might spot a high pressure -> low
Pressure front passing in front of the moon, especially during the equinoxes when there are going to be weather changes happening.

>>8571642
Ok sure but then what about this?

https://www.youtube.com/watch?v=R8Gt4crkqWk

>>8571505
>the crow
>darkest satan runes

>>8571154
>Tensor algebra is a part of multilinear or non-linear algebra?

Tensors are defined as multilinear maps, so multilinear algebra.


>Also, why are tensors not considered to be part of linear algebra if they can be represented as matrices?

Only rank <= 2 tensors can be represented that way.

> is there something like a 'tensor' space? Being more generic than vector spaces obv

There is a tensor space for every given vector space. [math]T\left( V \right) \equiv \mathop \oplus \limits_{k \in {\mathbb{N}_0}} {V^{ \otimes k}}[/math]. It has the structure of a noncommutative algebra.

>>8571176
Many thanks mate, so, tensor spaces have tensors as its elements right? Just as vector spaces have vectors as its elements

What would be a good book on learning multilinear mapping regarding tensor algebra as well?

Also, tensor spaces are a generalization of vector spaces or is it the other way around

>>8571154
>What are the main differences/similarities between linear, multilinear, non-linear and bilinear algebra?

Linearity of a function refers to this property:

[eqn] f(c_1 x_1+c_2 x_2)=c_1 f(x_1)+c_2 f(x_2) [/eqn]

I.e. how linear functions of real numbers behave. Usually, you think of [math]c_1, c_2[/math] as scalars and [math]x_1, x_2[/math] as vectors, though exactly what they represent can vary radically.

Linear algebra studies the behavior of linear transformations between vector spaces. You can think of multilinear algebra as studying parallel linear transformations between sets of vectors spaces.

>Tensor algebra is a part of multilinear or non-linear algebra?

Multilinear. Non-linear algebra is basically an umbrella term for the rest of algebra that doesn't involve linear transformations.

Also, why are tensors not considered to be part of linear algebra if they can be represented as matrices?

Not all of them can. A more grounded introduction to tensors will often present them as multidimensional arrays, though this relies on a particular choice of bases. Formally, they're defined differently.

>If vectors are considered to be rank 1 tensors, is there something like a 'tensor' space?

There is a tensor algebra over a given vector space, which is something analogous to what you mean.

>>8571101

Contradiction.

4 is even so I divide it by 2... and it yields 2. So your little "memeorem" is false. What a dumb question.

Now... if you were to compose that function with itself many many times then...

>>8571101
it's impossible we call it a conjecture(i dont have the name of it)

>>8571101
Use this Matlab code:

clear
clc

n = input('Enter a number ');

while n ~= 1
if mod(n,2) == 0
n = n/2
else
n = 3*n + 1
end
end

This code is an application of the processes you talked about. Here no matter what number you give n, the result will always come out to be 1.