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226 posts tagged with mathematics.

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226 posts tagged with mathematics.

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## Can I get into grad school in math?

Can I get into a funded Math Master's or PhD program? I'm graduating from a 4-year college with my B.S. this Spring, and I'm in my mid-30's. I have good GPA at this school (about a 3.6, up to about a 3.8 in math courses specifically) and good GRE scores (720 V / 780 Q), but I have dropped a lot of courses (I've worked full time over the years while getting my degree), and back in the mid-90's I flunked out of the first university I went to. [more inside]

## Uh...hang on, just give me a minute.

What is the most important scientific question of our time? [more inside]

## Calculating Probability Over Several Attempts?

How do you multiply probability across multiple chances? Let's say that every time you roll a die, you have a one-in-six chance of having five come up. What math would you perform to come up with the probability of five coming up at some point with the dice being rolled two times? Three? Five? Ten? (I'm using dice as a shorthand here: the actual probability figure I'm working with is 24%.)

## Mutton dressed as lamb

Is there a formula related to the statement "What's old becomes new again"? As middle age encroaches, it becomes harder and harder not to see history recycled and repackaged whether fashion, music, etc... [more inside]

## Fourier series confusion and pre/post-integration substitution dilemmas.

Asking for a friend: With the use of Fourier series, I'm trying to solve an ODE of the form L*y'' + R*y' + y/C = r(x), where r(x) = 1 - x^2 for |x| <= 1, i.e. has a period of 2. To do so I need to represent 1 - x^2 as a Fourier series. In doing so I have to integrate e^(-n * i * pi * x), but I've reached a stumbling block. [more inside]

## You ate ALL MY PIZZA!

Is there a mathematical, economic, logical or game-theory name/description for the following scenario? [more inside]

## (3Excel)*(2Help)*(1Please)

MathFilter, NumericSimplificationFilter, RecursionFilter, ExcelFilter: Where X_1,X_2,...,X_n can be any number, is there a name, simplified series, or equation to describe: (X_1)+(X_1+X_2)+(X_1+X_2+X_3)+...+(X_1+X_2+...+X_n) ? Seriously seriously insane exel implementation question inside. [more inside]

## What can I do with a Master's in math?

I have been attending graduate school in mathematics for the last 3 years, in hopes of getting a Ph.D. It hasn't exactly worked out - I'm taking my Master's and getting out of here. What can I do now? [more inside]

## Math? Maths? Mathesises? Mathelesalizes? Mathematisessizes?

When did "Maths" change to "Math" in American English? Or is it the other way around? [more inside]

## Learning General Relativity

What textbook can I use to learn General Relativity, including the associated math? [more inside]

## Economics' greatest hits? ... or... Where's the science in economics?

As a former scientist, help me gain some faith in economics. What were the great successes of economics as a tool for making better decisions in the last 100 years? [more inside]

## Do I need the PhD to work in industry?

I want a PhD in Mathematics, but I do not want to stay in academia. Is it worth it? [more inside]

## The science of suckiness

I want to calculate the mean of a matrix, but I don't want a value, I want co-ordinates. The following math question has lots of terminology that I'm not qualified to use i.e. most of it is wrong. I hope you can see through this and help me. I will be using the words

*matrix*,*mean*and*transformation*without fully understanding them. For this I apologize. [more inside]## How to keep material organized while teaching?

How do I keep track of things I want to cover in the future in the course I'm teaching? [more inside]

## finding a good book is hard

I need a good statistics book! [more inside]

## I need a free and robust math worksheet generator

I need a free and robust math worksheet generator, and don't care whether or not it's a script, web-based, or software. [more inside]

## Python and Math

Is it worth learning Python for combinatorial mathematics research? [more inside]

## Math question

Math problem with shipping rates. Can a maths whiz point me in the right direction? [more inside]

## Learn Math Via Programming?

I have always been horrible at math, but somehow a great programmer. I have found that writing a computer program that demonstrates a certain mathematical concept enables me to better understand the concept. I'm a psych major and I brought this up once in the research lab I've been working in. My prof said he recalls that someone did research and/or created a system in which a student writes a computer program that is pertinent to a certain mathematical concept and upon completion is given the regular math problem (as it would appear in a math class). This enables the student to better understand the math problem, solve, and learn math. Has anyone heard of this or anything similar? A learning system such as this would be a blessing to my education.
Thanks.

## Euler's map of the 7 Bridges of Königsberg

Do you know good sources for historical mathematics images, specifically the Bridges of Königsberg by Leonhard Euler? [more inside]

## Recommendations for making Venn diagrams?

Does anyone have software recommendations for making Venn diagrams? Especially complicated ones? [more inside]

## A question about graphs

On

__blank__graph paper, what is the mathematically proper name for any random line you see on the page? It wouldn't be "coordinate" since that refers to the line's value. It wouldn't be "grid" since that refers to all of the visible lines. It wouldn't be "axis" since there can be only one in each direction. I'd also be cool with the name for all of the lines (as a set) that are parallel to one another. Thanks!## math riddle

I am looking for a six digit number that would satisfy theses conditions: each digit is between 2 and 9
and the sum of each number exponement 6 yeild the very same number. Anyone ?

## Did Pythagoras exist?

Did Pythagoras exist? [more inside]

## Should I take the GRE Subject Test more than once?

If I take the GRE Mathematics Subject Test in April, and then again in October, will graduate schools necessarily see my April score when I apply? [more inside]

## Demand: Law. Gravity: Just a theory.

How would you go about proving that the law of demand does not exist? [more inside]

## Game theory for people who like words and pictures?

Best books, websites, lecture series on game theory and its applications for smart people who understand mathematics but can't stand trawling through pages of unnecessary complex formulae?

## Individual free choice but collective predictability?

Can someone explain why despite the fact that every one of these incidents occurs at a unique time and place, each involves a complex history of events and personal decisions leading to its very unlikely outcome, that the death toll on the roads year-on-year is so predictable? See here and here. [more inside]

## Couch Surfing Professor

There is the story of the perennial house guest who is either a distinguished mathematician or a physicist. The story goes that if this gentleman comes to stay with a young scientist it means that their future in the field is in for a sudden uptick. His tenure in their home tends to result in a few collaborative papers which in turn leads to notice in the scientific community and a rapid rise in status. Please help me find this professor's name?

## Why doesn't math make sense anymore?

I've got math anxiety but not the traditional kind. I'm graduating with a math degree but I feel very insecure pursuing higher math. How did something this beautiful turn into a bugbear? [more inside]

## Mathematics sightseeing in Greece.

Can anyone suggest good places to visit in Greece (or nearby) that are relevent to mathematics? Much more detail inside. [more inside]

## Leaving Academia after my Phd in Astrophysics

Wanting to leave academia after astrophysics PhD (oscillations in atmospheres of rotating starts, planets and discs). Need some feedback, tags, hints, keywords, that I should search in google and some suggestions of where my skills (look in the extended explanation) would be appreciated.
[more inside]

## Maximizing a function over orthogonal matrices

Maximizing a function over orthogonal matrices, or: solving polynomial order 2 systems. Help me out or point me to a better forum / listhost. [more inside]

## Picture a Venn diagram with 3 circles: LaTeX, Emacs, Mac. I'd like to live in the intersection.

Mac users who write LaTeX documents in Emacs (with or without AucTeX), please tell me about your workflow. [more inside]

## Help me mathemaster

Please suggest a learning plan for learning upper level math? [more inside]

## How to learn enough math to impress a boy?

I've just started dating someone who studies serious hardcore applied math. I am a complete and utter math idiot who is lost at anything above multiplication tables. I would like to sort of understand what is going on inside his massive, beautiful brain. Help? [more inside]

## Obama assassination : 1 in 55?

Does the fact that the betting markets still give Hillary Clinton a 1 in 55 chance of being President in 2008, mean that that is a reasonable estimate of the chance that Obama is assassinated before the election? What else could justify those odds now?

## What should a math grad do for a year?

I'll graduate with a BS in mathematics in June. I plan on taking exactly one year off before entering a PhD program. What should I do during this time off, and what steps should I be taking now? [more inside]

## Need a definite answer for approximately equal

Here's the deal: I've exhausted my neurons looking for some kind of answer to a mathematical symbol stumper. I'd love to know who invented, originated, or was the first individual to use the double-tilde (≈) as a means of expressing/denoting "approximately equal" in mathematics. I know that Robert-Recorde is supposed to have introduced the "equals" sign (=) in 1557. Any and all assistance is greatly appreciated. I await enlightenment.

## I need Math People to help me find out how long it takes 2 Last (Wo)Men on Earth to meet.

How long should it reasonably take before 2 "Last Men on Earth" meet? [more inside]

## Employment for a mathematician?

Job suggestions for a PhD mathematician wanting to leave academia and enter industry? [more inside]

## Help me relearn mathematics and its practica applications

Applied Math Filter: Help me use math!
I'd like to learn more about mathematics and it's practical applications - particularly in Computer Science [more inside]

## Should I try for a computer science degree?

What natural proficiencies would I need / want to have in order to get a degree in computer science? I have some issues with math, and am not sure whether that's a dealbreaker. [more inside]

## How to get to speed in mathematics for a phd?

Looking for programs or study options to fulfill math, statistics and economics prerequisites ahead of applying to grad school? [more inside]

## Editing math papers for spelling and grammar - worth it?

Anyone ever worked as an editor/proofreader for science and mathematics articles not written by native English speakers? [more inside]

## Let he who be without sine...

Why are sine waves considered "pure" tones? Why do we consider sinusoids the building blocks of periodic functions? [more inside]

## Name that number.

Sometime in the past two months, I came across a blog entry (I think) which asked for expressions for the "largest finite number" that could be submitted. Intuitively there is no such thing, but the piece toyed around with that idea. If I recall, there were few if any restrictions on the how the expression was written.
Sorry I can't be more specific than that. I'm not interested in "all you have to do is add one" replies, only pointers to the site if the general parameters of the question are familiar to anyone

## Help me market myself as a new math teacher.

Help me market myself as a secondary math teacher. I am one year out of college with Econ and Finance degrees, have minor classroom experience, and have had jobs irrelevant to education. [more inside]

## Translation of chinese math related words?

Help a chinese student: I am teaching elementary statistic to a young chinese , but I have an hard time explaining him words such as : average, mean, median, mode, quotient, ratio, standard deviation etc.
I am looking for a list of math/science words english<>chine, a mini vocabulary (doc/pdf/whatever) as I don't trust online translation programs too much.

## How can I teach someone high school math in 6 months?

There's a smart freshman who's going to be in my school's Academic Decathlon team next year. However, Academic Decathlon tests over all of high school math, so I ask: How can I teach a fast learner an overview of high school math in around 7 months? [more inside]