What is Mathematical: Definition and 1000 Discussions

Mathematics (from Greek: μάθημα, máthēma, 'knowledge, study, learning') includes the study of such topics as quantity (number theory), structure (algebra), space (geometry), and change (analysis). It has no generally accepted definition.Mathematicians seek and use patterns to formulate new conjectures; they resolve the truth or falsity of such by mathematical proof. When mathematical structures are good models of real phenomena, mathematical reasoning can be used to provide insight or predictions about nature. Through the use of abstraction and logic, mathematics developed from counting, calculation, measurement, and the systematic study of the shapes and motions of physical objects. Practical mathematics has been a human activity from as far back as written records exist. The research required to solve mathematical problems can take years or even centuries of sustained inquiry.
Rigorous arguments first appeared in Greek mathematics, most notably in Euclid's Elements. Since the pioneering work of Giuseppe Peano (1858–1932), David Hilbert (1862–1943), and others on axiomatic systems in the late 19th century, it has become customary to view mathematical research as establishing truth by rigorous deduction from appropriately chosen axioms and definitions. Mathematics developed at a relatively slow pace until the Renaissance, when mathematical innovations interacting with new scientific discoveries led to a rapid increase in the rate of mathematical discovery that has continued to the present day.Mathematics is essential in many fields, including natural science, engineering, medicine, finance, and the social sciences. Applied mathematics has led to entirely new mathematical disciplines, such as statistics and game theory. Mathematicians engage in pure mathematics (mathematics for its own sake) without having any application in mind, but practical applications for what began as pure mathematics are often discovered later.

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  1. Chrono G. Xay

    Mathematical Modelling An Object for a System

    In order for me to be able to run a simulation I need to write an equation which calculates the distance from a point inside a circle of radius 'r' to any point along the circle's circumference using a point a distance 0<=d<=r from its center. The ultimate system to be simulated is a radially...
  2. C

    Mathematica Mathematical software: Latex, Mathml, MathType, Maple?

    Which mathematical software(s) can you recommend for 1. As a substitute for a calculator (TI89): making basic graphs, regressions (linear, exponential), vectors, solving equations, showing graphs in 2d and 3d? 2. Writing an ebook with lot's of math. I'm thinking Mathml or Mathtype might be...
  3. A

    Degree in Physics or Mathematical Science

    Okay, so I'm currently sitting my final exams before I'll be attending university come September. Here in Ireland if you wish to attend any third level institute then you must apply to CAO (Central Applications Office) on your CAO application you put a numbered list of courses you are interested...
  4. Nile Anderson

    Mathematical Modelling, Vectors and Parametric Equations

    Homework Statement Sorry to disappoint the math fanatics but no this is not a question that integrates all three topics at once but individual ones. I still need assistance though with the following more so in the reasoning behind them as I feel my logic is flawed...
  5. Curieuse

    Prerequisites to Mathematical methods Mary Boas

    Hello! I'm looking to study Mary Boas' Book on mathematical methods and i'd like to know if the prerequisites can be covered in ocw mit courses or any other open courses. Please do suggest if any. Also are there any parallels that can be drawn with the ocw mit courses for the various topics...
  6. Runei

    Mathematical conundrum when adding complex exponentials

    Hi there, Once again I find myself twiddling around with some quantum mechanics, and I bumped into something I find strange. I can't see what the error of my thinking is, so I hope someone could be able to point it out. I'm looking at solutions to the infinite square well, and arrive at the...
  7. R

    Mathematical Physics graduate programs?

    I have a master's in physics. I'm looking at PhD programs, but I really don't want to take the same courses over and take comprehensive exams (or the damn GRE). I managed to squeeze in a few math classes before I finished. I would like to do research in physics, but from a more math-heavy...
  8. N

    Math Podcasts for Beginners | Jonathan Kyle

    Hi everybody! I was just curious if there are any good or recommended mathematical pod cast, as I was recently bitten by the math bug, just going back to college after getting out of the military and would like to have something interesting to listen to while driving to and from school. I am...
  9. ZapperZ

    Mathematical Preparations - Comments

    ZapperZ submitted a new PF Insights post Mathematical Preparations Continue reading the Original PF Insights Post.
  10. A

    Photon as a Mathematical Concept in Theoretical Physics

    I always have some interesting on the photon. after I read the oscillator expansion of the electromagnetic field in a finite volume, I find photon is more a mathematical concept in theoretical physics than real particle. not like electrons, number of photon is a representation of the energy...
  11. sushichan

    Is (n^2+3)(n^2+15) divisible by 32 for odd positive integers n?

    Homework Statement Prove that (n2+3)(n2+15) is divisible by 32 for all odd positive integers n. Homework Equations I suppose we are supposed to use mathematical induction since it is in that chapter, but the following questions specifically state that we should use induction but this question...
  12. A

    Mathematical relation between dipole moment and frequency?

    how can we relate innermost stable circular orbits, keplerian, epicyclic, frame dragging precession frequency with dipole moment.
  13. Ercross

    How the mathematical wave equation was derived

    Please, I've been unable to comprehend how the mathematical wave equation was derived.. Please can anyone explain it to me...
  14. SpanishOmelette

    Old Math Textbooks from 1950s: Anybody Else Use Them?

    Anyone else use mathematical textbooks from around 1950? I do... by accident... Tend to pick them up in thrift stores where they just get dropped, discarded... But, I find them engaging! Many of them are around 1950. It is also a little fun to see how mathematics has progressed. For example...
  15. N

    Mathematical Physics vs Theoretical Physics

    Hello PF, pardon me if this isn't the wrong place but I just had a quick question. So I have always wanted to do Theoretical Physics (particular interests are Quantum Gravity, Cosmology, QFT and Quantum Optics, but those are subject to change), but recently I have started to look into...
  16. Emmanuel_Euler

    Isaac Newton - The Mathematical Principles of Natural

    how can i find this book?? ( Isaac Newton - The Mathematical Principles of Natural Philosophy)
  17. SpanishOmelette

    What is the Role of a Mathematical Physicist?

    probably, I am a home-utored student(self-teaching!) and I'm seeking a little help. While I am drawn to MANY forms of physics or mathematics, the mathematical physicist seems to be the ticket. But I am not sure. I was just wondering if this would be a good way to go, and what exactly is the...
  18. Byeonggon Lee

    Good and easy mathematical logic book for computer science

    Hello I recently noticed that mathematical logic is related to computer science. I haven't studied math in university yet I'm not good at math and Since I'm not a native English speaker some English is hard to me. Is there any good and easy book which describes mathematical logic used in...
  19. M

    Where does Mathematical Physics reside?

    Where exactly does this area of study reside? Is it within the math department or the physics department? More specifically, do you need to get accepted into a math or physics graduate program? The undergraduate mathematical physics program here is listed under both the math and physics degrees...
  20. C

    Mathematical induction example

    Homework Statement A step in this process of proving Sn: 1+4+7+...+(3n-2) = n(3n-1)/2 confuses me. I hope someone can clarify this for me. I do not require the work done, I need clarification on a step only. Thanks! Homework Equations After assuming n=k, we say Sk: 1+4+7+...+(3k-2) =...
  21. J

    Mathematical modelling of Electric-Thermal-Structuralphysics

    Hi i am working on a research paper for which i need very good citation for the analytic analysis coupling Electric - Thermal-Structural physics(via Joule Thomson effect & Thermal stress/strain). Please provide any good source of mathematical relations describing the above complete or in part...
  22. Ahmad Kishki

    The Mathematical Structure of QM and the Stern Gerlach

    Many books in QM (eg: Sakurai) mention that the stern-gerlach experiment provides enough motivation for the mathematical structure of QM, Sakurai even mentions Gottfried's book. Point is, i didnt find Gottfried's book, so i am looking for other books that develop the math of quantum mechanics...
  23. S

    Introductory mathematical induction problem

    Homework Statement I am just learning the joys of mathematical induction, and this problem is giving me fits.Homework Equations I am trying to prove that 2 + 4 + 6 + … + 2n = [2n(n+1)]/2The Attempt at a Solution The base case is to prove P(1) is correct. Simple enough -- 2 = [2 x 1 (1+1)]/2...
  24. Abtinnn

    Mathematical Methods in the Physical Sciences by Boas

    I study in high school, but I know a fair amount of math (differential, integral, and vector calc., differential equations, linear algebra, etc.) Would you recommend this book if I want to pursue higher levels of math such as PDE's and Tensors and so on? Does this book explain things clearly...
  25. A

    Euler's identity, mathematical beauty and applications of it

    Learned this identity a year ago randomly studying for adv biomechanics and was wondering if there were real-world applications for this outside of mathematicians appreciating the formula.
  26. I

    What does this mathematical expression mean physically?

    This is from from Sakurai and Napolitano HW Prob #2.6. I've done the HW problem and can fit all the pieces together with the mathematical formalism, but even afterwards I'm still scratching my head wondering what I'm looking at. I start with the commutator [[H,x],x]. If I take...
  27. A

    Failed first mathematical methods test

    I got a 61% on my first mathematical methods for physics and engineering test. I thought I would at least get a solid C on that test :( If I were to receive a 100% on everything thing else ( 1 test , 1 final, 5 homeworks) I could end up with a 92.5% in the class. After that test I currently...
  28. Motivanka

    Mathematical analysis (Book recommendation)

    I don't know is this good place to put this topic anyway I am on the first year of physics and I am struggling with mathematical analysis. I can't understand a lot of thngs that we are doing actually I can't even follow our lectures. I would be really grateful if someone recommend me a book that...
  29. Runei

    Carl M. Bender (Advanced Mathematical Methods )

    Hello all, I just bought the book "Advanced Mathematical Methods for Scientists and Engineers - Asymptotic Methods and Perturbation Theory". I was wondering if anyone know about a solutions manual for the book? I would like to work through some of the problems while I go through the book, but...
  30. ellipsis

    Prove recurrence relation via mathematical induction

    $$ T(n) = \begin{cases} 2 & \text{if } n = 2 \\ 2T(\frac{n}{2})+n & \text{if } n = 2^k \text{, for } k > 1 \end{cases}\\ \text{ } \\ \text{ } \\ \text{ } \\ \text{Prove } T(n) = n\lg(n) \text{ if } n = 2^k\text{, for } k > 1.$$ I am crawling through the "Introduction to Algorithms" textbook...
  31. T. Wentling

    What background fits promising areas of mathematical physics

    I'm a graduate mathematics student and I did my undergrad in applied math. I also took the normal 10 hrs of physics foundations and then a semester of modern physics (basic quantum intro, special relativity, orbit states etc.). I was thinking about pursuing study in areas that would be...
  32. E

    Full-wave Rectifier - Mathematical approach

    Hi! I'm interested in mathematical analysis of Full-Wave Bridge rectifier with smoothing capacitor. I tried to find it on web but without success. I read how smoothing capacitor affect output voltage, but I never saw some mathematical description. Can one mathematically prove it? How can one...
  33. D

    Mathematical solution needed for this biomechanics problem

    Hi all, Wasn't sure whether this fits best in the maths or engineering forums, either way I'm hoping that a mathematical solution exists for my problem which I'll now explain. My problem is one of biomechanics. One of the primary exercises I use is the barbell squat. Holding a loaded bar on...
  34. P

    Mathematical state of Path Integral?

    So I've just recently started learning path integral methods in QFT and string theory, and I've heard from numerous sources that the path integral (specifically fermionic path integrals, perhaps?) are objects which are not at all on solid mathematical ground. The feeling I get is that perhaps...
  35. M

    Math QFT Books: Arnold, Takhtajan & Beyond

    Are there any QFT books written from a mathematical perspective? Something in the same vain as V. Arnolds Mechanics and Takhtajan's QM. Thanks.
  36. N

    Proof by Mathematical Induction

    I am confused on a math problem. I am supposed to use mathematical induction to show that (Summation with n on top and i=1 on the bottom) (2i-1) = 1+3+5+...+(2n-1)= n^2
  37. J

    Mathematical proof for non linear system

    Homework Statement Consider the continuous-time processing system in figure 1, which has two inputs and one output. The linear sub-system H is characterised by the impulse response h(t) = e −2t , where t denotes time. Block diagram is the product of x1(t) and x2(t) going through a block step...
  38. T

    Proving a mathematical statement

    Homework Statement There exists a number m, which is an element of the positive integers, that for all positive integers n, n+m can be divided by 3. Prove whether this statement is true or false. Homework EquationsThe Attempt at a Solution I ran into a similar question earlier on, which just...
  39. Marthinus

    Infinite Universes: Imagining Life Forms & Math Limits

    If there were an infinite number of universes will it be true to say that every conceivable (imagination) life form exists somewhere? Example, somewhere in a universe a 3 headed dragon exists - or does mathematical limit apply in this case?
  40. J

    A mathematical way to analyze code?

    In the last semester I was taking a microcontroller programming course. For the programming assignments, our professor would hold an extra credit competition where we competed for the smallest, fastest, and most energy-efficient code for the same application. It got me thinking. What I'm...
  41. Quarlep

    Mathematical Explanation of One partice in two place

    Can you explain me mathematically one particle in many places. Thanks
  42. Joshua L

    Is a Mathematical Physics course enough?

    I am majoring in Physics and Math at Purdue University. For the physics requirements, I need to take two Mathematical Methods of Physics courses. Below are the catalog entries for the two courses. Mathematical Methods of Physics I Discussion of wide-ranging physics problems from mechanics...
  43. bhobba

    Physics Is A Mathematical Model

    I participated in a recent thread where it was obvious the poster was confused about what physical theories are. Of course they are mathematical models, but they say the mathematics can't be the reality etc etc. I am sure regular posters here have seen the arguments - they appear with...
  44. M

    Mathematical Universe Hypothesis

    How do people here feel about Max Tegmark's Mathematical Universe Hypothesis (http://en.wikipedia.org/wiki/Mathematical_universe_hypothesis). I see it as an extreme form of reification (http://en.wikipedia.org/wiki/Reification_%28fallacy%29). In this sense, it is taking to the extreme a common...
  45. A

    Sgr. A* - Mathematical calculations

    Hey guys First real thread besides my introductory thread. I'm a Danish student in what is somewhat equivalent to my junior/senior year in the american school system. That was a small attempt at school system conversion. I'm writing a project about the black hole Sgr. A* in the centre of our...
  46. WineRedPsy

    Mathematical Physics vs Applied Mathematics?

    (Sorry if these are the wrong forums) All right, so, I know the difference between pure and applied mathematics as well as mathematical vs theoretical physics. But, I don't quite get the difference between mathematical physics and applied mathematics. Aren't they both working on mathematical...
  47. C

    Mathematical Game Theory (Von Neumann Morganstern Utility)

    1: If u: omega---> reals is a Von Neumann Morganstern Utiliy function and L is a lottery, prove that expectation E is "linear" ie: E(Au(L)+B)=AEu(L)+B2. Given none:The Attempt at a Solution : My attempt at a solution has gone nowhere. I found a stanford and princeton game theory notes that went...
  48. sara.w

    Career Prospects in BSc Math vs MSc Mathematical Physics

    Hi guys, I'm at the tail end of my BSc degree major in math, minor in physics and I am considering grad school in mathematical physics. I am looking for input on career prospects with a BSc in Math vs. MSc in Mathematical Physics. I am also wondering about entry level positions that one could...
  49. Mr. Rho

    Question about mathematical equality

    Hi there, I am reading Chapter 9 of Jackson Classic Electrodynamics 3rd edition, and I don't see why this equality is true, it says "integrating by parts", but I still don't know... any help? http://imageshack.com/a/img673/9201/4WYcXs.png
  50. R

    Reducing a mathematical expression

    Hi guys i need your help! How can i reduce this equation: (Nd-Na)*[B*sqrt((Nd-Na)^2) + n^2) - sqrt((Na-Nd)^2) + n^2)] into this: (B-1)*(Nd-Na) + (B+1)*sqrt(Nd-Na)^2) + n^2)? I'm totally depressed, I'm always stocked in sqrt part of the equation: if there's a techniques in dealing this kind...
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