235 posts tagged with mathematics.
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What is the next step of this Kenken?

What is the next step of this Kenken? [more inside]
posted by johnofjack on Jan 30, 2010 - 23 answers

What are the top academic journals in various fields?

What are the best academic journals in each field? [more inside]
posted by ollyollyoxenfree on Jan 30, 2010 - 49 answers

Name this Mathematics Textbook series

Recently, someone described a 10-volume mathematics textbook series to me. The books were written by a single author, an engineer with a name that sounded Greek, and came with full worked solutions to every single problem, making them ideal for self study. Unfortunately, they could not remember its title, and my attempts to find it with Google and Amazon have failed. Has anyone come across this series?
posted by James Scott-Brown on Jan 29, 2010 - 13 answers

Help me sample accurately!

Please provide me with an *effective*, and statistically sound, table/chart listing suggested sample size guidance for associated population size [more inside]
posted by thankyoumuchly on Jan 14, 2010 - 11 answers

Business optimization eek!

I've got these 2 math problems that are driving me crazy. Business optimization. Please help. [more inside]
posted by nomnomnom on Nov 22, 2009 - 16 answers

Help me learn to typeset equations like it was my job. (Why? Because it is.)

I am looking for a math typesetting style guide. By this I don't mean the kind of stylesheet for journal submissions that says "Be sure to use the blah-blah-blah LaTeX package and the XYZ equation environment, and our army of editorial assistants will tie up the loose ends and knock off the rough edges." (Why not? Because my advisor is involved in starting a new journal, and suddenly my labmates and I are that army of editorial assistants.) [more inside]
posted by nebulawindphone on Nov 4, 2009 - 11 answers

Rates of success?

Statistics question: is it possible to test sets of cumulative data for significant differences in rate? [more inside]
posted by rollick on Nov 4, 2009 - 9 answers


Is there an enumeration of complete chess games? [more inside]
posted by Blazecock Pileon on Oct 30, 2009 - 10 answers

Math Symbol Mystery

I've never seen this mathematical symbol used this way before. Can anyone tell me what it means? [more inside]
posted by mazniak on Oct 25, 2009 - 8 answers

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]
posted by tamaraster on Oct 14, 2009 - 12 answers

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

What is the most important scientific question of our time? [more inside]
posted by Demogorgon on Oct 12, 2009 - 44 answers

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%.)
posted by WCityMike on Sep 16, 2009 - 15 answers

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]
posted by Funmonkey1 on Sep 15, 2009 - 12 answers

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]
posted by PuGZ on Sep 13, 2009 - 2 answers


Is there a mathematical, economic, logical or game-theory name/description for the following scenario? [more inside]
posted by contessa on Sep 4, 2009 - 11 answers


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]
posted by Nanukthedog on Aug 28, 2009 - 16 answers

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]
posted by Earl the Polliwog on Aug 9, 2009 - 13 answers

Math? Maths? Mathesises? Mathelesalizes? Mathematisessizes?

When did "Maths" change to "Math" in American English? Or is it the other way around? [more inside]
posted by fishmasta on Jul 11, 2009 - 39 answers

Learning General Relativity

What textbook can I use to learn General Relativity, including the associated math? [more inside]
posted by DU on Jul 6, 2009 - 22 answers

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]
posted by zaebiz on Jun 23, 2009 - 20 answers

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]
posted by alligatorman on Jun 14, 2009 - 11 answers

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]
posted by handybitesize on Jun 8, 2009 - 6 answers

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]
posted by madcaptenor on May 15, 2009 - 11 answers

finding a good book is hard

I need a good statistics book! [more inside]
posted by Brennus on May 7, 2009 - 14 answers

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]
posted by booksherpa on Apr 28, 2009 - 3 answers

Python and Math

Is it worth learning Python for combinatorial mathematics research? [more inside]
posted by alligatorman on Apr 14, 2009 - 27 answers

Math question

Math problem with shipping rates. Can a maths whiz point me in the right direction? [more inside]
posted by dydecker on Apr 14, 2009 - 11 answers

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.
posted by fightoplankton on Apr 13, 2009 - 15 answers

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]
posted by tnygard on Apr 7, 2009 - 4 answers

Recommendations for making Venn diagrams?

Does anyone have software recommendations for making Venn diagrams? Especially complicated ones? [more inside]
posted by tnygard on Mar 10, 2009 - 9 answers

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!
posted by crapmatic on Mar 2, 2009 - 14 answers

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 ?
posted by selfsck on Feb 23, 2009 - 10 answers

Did Pythagoras exist?

Did Pythagoras exist? [more inside]
posted by painquale on Feb 14, 2009 - 11 answers

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]
posted by alligatorman on Feb 7, 2009 - 6 answers

Demand: Law. Gravity: Just a theory.

How would you go about proving that the law of demand does not exist? [more inside]
posted by johannahdeschanel on Jan 31, 2009 - 8 answers

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?
posted by vizsla on Jan 26, 2009 - 8 answers

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]
posted by zaebiz on Dec 28, 2008 - 47 answers

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?
posted by cm on Dec 26, 2008 - 14 answers

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]
posted by anonymous on Dec 4, 2008 - 20 answers

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]
posted by junipero on Nov 25, 2008 - 3 answers

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]
posted by gradstu1980 on Nov 9, 2008 - 11 answers

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]
posted by a robot made out of meat on Oct 26, 2008 - 15 answers

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]
posted by gleuschk on Oct 4, 2008 - 10 answers

Help me mathemaster

Please suggest a learning plan for learning upper level math? [more inside]
posted by prunes on Sep 16, 2008 - 9 answers

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]
posted by logovisual on Sep 11, 2008 - 33 answers

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?
posted by zaebiz on Sep 1, 2008 - 14 answers

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]
posted by alligatorman on Aug 28, 2008 - 5 answers

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.
posted by font_snob on Aug 28, 2008 - 5 answers

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]
posted by mr_book on Aug 23, 2008 - 24 answers

Employment for a mathematician?

Job suggestions for a PhD mathematician wanting to leave academia and enter industry? [more inside]
posted by leahwrenn on Aug 8, 2008 - 16 answers

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