What is Applications: Definition and 662 Discussions

An application program (app or application for short) is a computer program designed to carry out a specific task other than one relating to the operation of the computer itself, typically to be used by end-users. Examples of an application include a word processor and a media player. The collective noun refers to all applications collectively. The other principal classifications of software are system software, relating to the operation of the computer, and utility software ("utilities").
Applications may be bundled with the computer and its system software or published separately and may be coded as proprietary, open-source, or projects. Apps built for mobile platforms are called mobile apps.

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  1. Avatrin

    Math Applications of discrete mathematics minus software

    Hi All applications of discrete mathematics I know of seem to be in computer science. I want to know if there is somewhere discrete mathematics are applied outside of software. What can I work as if I like discrete mathematics but do not want to program? (outside of academia, of course)
  2. P

    Hydrogen fuel cells in small applications

    Hello internet! Please excuse any silly questions as I am not (obviously) a professionally educated physicist (yet!). I was doing a school project on alternative energy sources and became rather interested in hydrogen fuel cells, specifically to replace batteries in small scale, high energy...
  3. D

    I Applications needing fast numerical conformal maps

    What are useful practical applications of numerical conformal mapping that are most limited by map computation speed or boundary complexity? I'm betting some of the applications will be be physics PDEs, so I chose this DE subforum to ask. As part of an engineering project I've implemented...
  4. M

    Wrong answer on Linear Algebra and Its Applications 4th Ed.

    Homework Statement The Attempt at a Solution \left[ \begin{array}{cccc} 1 & 0 & 5 & 2 \\ -2 & 1 & -6 & -1 \\ 0 & 2 & 8 & 6 \end{array} \right] \sim \left[ \begin{array}{cccc} 1 & 0 & 5 & 2 \\ 0 & 1 & 4 & 3 \\ 0 & 0 & 0 & 0 \end{array} \right] From the RREF it is...
  5. Evangeline101

    Applications of Trig: related acute angles, coordinate plane

    Homework Statement Homework Equations none The Attempt at a Solution Two possible locations on the coordinate axis for the terminal arm of angle A: Two possible values for the measure of angle A and the related acute angle: Can someone please tell me if I did this correctly?
  6. A

    Automotive Cengel's Fluid Mechanics: Fundamentals and Applications (Book & CD-ROM)

    Is anyone here use Cengel's Fluid Mechanics: Fundamentals and Applications (Book & CD-ROM)? I've heard the CD-ROM contain CFD code for Fluent Flowlab. The question is, I just want to know if the Fluent Flowlab (beside the code) is include in the CD-ROM.
  7. J

    Geometry Book on Differential Geometry/Topology with applications

    Hello! I want to learn about the mathematics of General Relativity, about Topology and Differential Geometry in general. I am looking for a book that has applications in physics. But, most importantly, i want a book that offers geometrical intuition(graphs and illustrations are a huge plus) but...
  8. alexandria

    Modern applications of electromagnetism -- Regenerative Braking

    Homework Statement Can someone explain what regenerative breaking is? Homework Equations no equations required The Attempt at a Solution I understand that this occurs with electric cars. It uses the idea that the electric motor and the electric generator are so similar. But how does the...
  9. alexandria

    What are the roles of friction and footwear in bob-sledding?

    Homework Statement Homework Equations no equations required The Attempt at a Solution ok so i collected some information about bob-sledding, but i don't know if I've identified the role that friction plays for the athlete and their shoes in the sport, and I've only come up with one...
  10. alexandria

    How do I calculate distance using Newton's Second Law for a puck on a stick?

    Homework Statement [/B] Homework Equations d = v1(t) + ½ a (t)^2 Newtons second Law The Attempt at a Solution ok, so i know that once the puck leaves the stick, the only force acting on it would be the frictional force (1.0 N). From reading other forums, i guess i need to calculate the...
  11. T

    Other Mechanical Engineering, real-world adv. math applications?

    Currently pursuing a degree in Mechanical Engineering, and commonly ponder about how much of this semi-abstract math I will actually be using the workplace. I have heard real-world ME relies pretty heavily on linear algebra and differential equations. As far as advanced Calculus goes I...
  12. srinaath

    Why single phase induction motors are used for fractional HP applications

    why single phase induction motor is commonly used for low HP rather than integral HP like 1,2,3HP... i understand that single phase gives low power...but say you have designed such that your motor delivers 10HP for rated voltage and current...why such single phase machines are not common?can...
  13. W

    Real world applications of Jerk and Cons. Acceleration?

    I did some light searching for Jerk and didn't find much, maybe I can be directed there if my question has been asked. I was tasked to find some real world differences between the two in my Dynamics class. It's not really homework, so I didn't post it there. I'm looking for a discussion from...
  14. CARNiVORE

    Maximizing Electrostatic Force on a Moving Particle

    Homework Statement In the figure particles 1 and 2 of charge q1 = q2 = +24.00 × 10-19 C are on a y axis at distance d = 18.0 cm from the origin. Particle 3 of charge q3 = +17.60 × 10-19 C is moved gradually along the x axis from x = 0 to x = +6.47 m. At what values of x will the magnitude of...
  15. C

    Schools Is Complex Analysis a must for grad school applications?

    Is taking complex analysis before graduate school apps a "make-or-break" deal if one is looking to apply for theory? I am currently deciding whether to take it junior spring or defer it to senior spring. As it has come up in my research, I have studied some of it, but I'm wondering if it must be...
  16. Pull and Twist

    MHB Linear Applications: Electrical Networks

    So I am having difficulty with the following problem; Determine the currents in the various branches. So I went ahead and assigned I names to the various branches and drew in flow directions to help me visualize the problem better. From there I created the following three equations...
  17. R

    REU applications with INC grade?

    I'm a sophomore physics major and I've been filling out some REU applications, but I have an INC (incomplete) grade from last semester because I couldn't take a final due to medical reasons. The class was completely fine and I likely have an A-/B+, but I have to wait to take next semester's...
  18. Elvis 123456789

    Calculating Electric Field Using Gauss' Law for a Charged Insulating Slab

    Homework Statement A slab of insulating material has thickness 2d and is oriented so that its faces are parallel to the yz-plane and given by the planes x=d and x=−d. The y- and z-dimensions of the slab are very large compared to d and may be treated as essentially infinite. Let the charge...
  19. M

    What applications does quantum physics have, specifically?

    It's often said that modern electronics is based on quantum mechanics. As far as a I can tell however, detailed understanding of quantum mechanics isn't needed to, say, design a transistor. Although quantum mechanics sets a lower bound on the size of electronics, this would be obvious...
  20. VBadiu

    Is Nuclear Applications too specific for a career in medical imaging research?

    Hey guys and merry Christmas! I graduated my bachelor this year in medical physics and I got accepted for a master in Nuclear Applications and have applied and not got an answer yet from a Biomedical Engineering program from the same university (FH Aachen, Germany). The question I've been asking...
  21. D

    Schools Resume or CV for Graduate School Applications

    I have a bit of a dilemma with graduate school applications that I feel many people here would have encountered. Part of the applications requires either a CV or a resume, and I find that the list of my expierences, educations, presentations and awards is a little to short to be considered a CV...
  22. bcrowell

    Interesting applications of relativistic angular momentum?

    I've been working on my SR book http://www.lightandmatter.com/sr/ and its presentation of a suite of related mathematical tools such as the Levi-Civita tensor. This is aimed at the upper-division undergraduate level, although there are optional sections at the end of some of the chapters that go...
  23. VBadiu

    Engineering Biomedical Engineering vs. Nuclear Applications?

    First of all, this is my first post here, so hello everyone! Great to be a part of this online community! Secondly, to get to the point of the thread, I have recently applied and have been accepted to two master's programs in Germany, specifically Biomedical Engineering and Nuclear Applications...
  24. Dishsoap

    On a CV, where do you put applications for external funding?

    When applying to graduate school, I consider it significant that I'm applying for external fellowships (since, in theory, it means the grad school may not have to fund me). Presently on my CV, I have a section for "national awards", and there I list Blah blah blah award 1 blah blah blah award 2...
  25. J

    Applied Any books on Ordinary Differential Equations w/ applications

    Hello, I really need a good book on ordinary differential equations with applications on Quantum Mechanics, as I will be attending a course on QM but I do not have the proper mathematical background that is needed.
  26. E

    MHB Understanding L^p Spaces: Origins and Applications

    Can anyone give me a little background on why L^p spaces are a thing? What types of problems were they developed to solve? Where they just a sort of generalization of the Euclidean norm? The Analysis class I'm taking right now has very little context to it so I feel like I am learning random...
  27. Calpalned

    Physical applications of complex numbers

    Homework Statement Homework Equations see picture above The Attempt at a Solution I can follow most of the steps, but not all. I got confused with finding ##|\frac{dz}{dt}|##. It is easy to derive ##\frac{dz}{dt}## from ##z##. Normally, I would square the two components of ##dz/dt## and...
  28. F

    Applications of Partial Derivatives

    Homework Statement Let l, w, and h be the length, width and height of a rectangular box. The length l is increasing with time at at rate of 1 m/s, while the width and the height are decreasing at rates 2 m/s and 1m/s respectively. At a certain moment in time the dimensions of the box are l=5...
  29. R

    MHB What is the height of the cliff in this scenario?

    A tower 125 feet high is on a cliff on the bank of a river. From the top of the tower, the angle of depression of a point on the opposite shore is 28.7 degrees. From the base of the tower, the angle of depression of the same point is 18.3 degrees. Find the height of the cliff. (Assume the cliff...
  30. Joydeep Munshi

    Nuclear Instrumentation and medical applications PhD scopes?

    Hi, I am currently pursuing my masters in Nuclear Engineering and my graduation is in Instrumentation Engineering. I am interested in Nuclear Instrumentation and Control engineering and currently I have taken coursework also regarding the same. Could you please suggest me universities where...
  31. Telemachus

    Applications of multiple ionization cross sections

    Hi there. I'm working with this stuff of multiple ionization (in particular, double ionization). There are some references I've found on the applications in applied physics for this theoretical work, for example, plasma physics, accelerator physics, radiotherapy, which are listed in some papers...
  32. J

    Book on gamma functions with applications in Quantum Mech.

    I have heard that in my next semester, our quantum mechanics teacher will be giving a great emphasis on difficult integrals with the most of them having to do with gamma functions. Does anybody know a book(or any other source) that I can learn about and practice gamma functions integration...
  33. J

    Distributions & test functions in specific applications

    I have a question inspired by a recent thread that I did not want to hijack (https://www.physicsforums.com/threads/distributions-on-non-test-functions.831144/) I realize that weaker requirements on the space of test functions results in a more restricted set of distributions. For example, if...
  34. I

    Master Thesis Topic: GR & Statistical Mechanics

    Hello! I am a master student, and I am about to start working on my master thesis, which, in my counrty, is a substantial work of 6 months which usually involves original research. I will be supervised by two professors of Statistical Mechanics, who have many research interest. In these days...
  35. M

    Linear Algebra Thoughts on Linear Algebra with Applications / 5e Bretscher

    Hey y'all! I am taking my first linear algebra course next semester and we are using Bretscher's book. I have heard some pretty awful things about the way it is laid out, so I would like to hear your thoughts on the text. For some background information I have completed Calculus 1-3 (using...
  36. N

    How Does Tangential Velocity Relate to Vector Products in Rotational Motion?

    The tangential velocity of a body rotating about the centre point "O" is given by v=w.r, where w is angular velocity and r = radius. give that the vectors w = 3i - 2j + 7k r = 2i + 5j - 3k a) Calculate the magnitude of velocity b) the vector product in the form i+j+k So far I have the vector...
  37. A

    Interested in the science itself more than its applications

    Hello, I will begin my junior year in MechE next fall. So far it's been an enjoyable degree and experience. the problem is, I tend to be more interested in the science itself of what I'm studying, rather than its applications. Which makes me sometimes think that I should have majored in a...
  38. M

    Physics applications in cancer research/treatment

    I am a third year undergraduate physics major. Often time people ask what I want to do with physics, and I didn't really have an answer for them. I guess I always assumed I'd pursue a masters degree in some kind of engineering, but I want to be able to do something that I'm passionate about...
  39. M

    Physics applications in cancer research/treatment

    I am a third year undergraduate physics major. Often time people ask what I want to do with physics, and I didn't really have an answer for them. I guess I always assumed I'd pursue a masters degree in some kind of engineering, but I want to be able to do something that I'm passionate about...
  40. I

    Linear algebra and applications to aerospace

    I am researching ways linear algebra is integrated into aerospace engineering (I know its alot). I am looking for specific ways. Any help would be appreciated.
  41. P

    Understanding SHM: Solving Difficult Homework Problems

    Homework Statement Homework Equations the equation is given in the question The Attempt at a Solution i tried replacing the 2/3 pi rad as the cos argument and i obtained 2. but the mark scheme says that the position is 3cm above AB. in the next part, we have a phase diff of 4/3 pi and i...
  42. 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.
  43. C

    MHB Applications of differentiation

    I need help solving all three parts to this question, never seen a question regarding applications of differentiation that is this hard before! All help is much appreciated.
  44. Vinodh Reddy

    What are the Applications of Electroslag Welding ?

    What are the applications and advantages of Electroslag welding (ESW) process ?
  45. V

    Physical applications of Riemann zeta function

    Hi I was wondering if there any observations that have only been described using the Riemann Zeta function? What would it mean in physics to assign a divergent series a finite value? Thank you Edit Sorry I overlooked a thread just posted that asked about this so this might need to be deleted.
  46. J

    What are some real-world applications of cyclic groups and Galois fields?

    Can anybody name some real world applications of group theory? I would be particularly interested to hear any uses of cyclic groups to solve everyday problems one could encounter.
  47. SrVishi

    What are the Real-World Applications of Different Fields in Mathematics?

    Hello, I am currently an undergrad mathematics major who is still unsure in exactly what field of mathematics to study post grad (if I get such an opportunity). All the subjects I have taken so far seem equally interesting, and I could see myself engaging in post grad study in each of the areas...
  48. E

    Calculating the Force Constant of a Bungee Cord Using Newton's Laws

    Homework Statement You've attached a bungee cord to a wagon and are using it to pull your little sister while you take her for a jaunt. The bungee's unstretched length is 1.3m and you happen to know that your little sister weighs 220N and the wagon weighs 75N. Crossing a street, you accelerate...
  49. matqkks

    MHB Real-Life Applications of Fourier Series

    Why are Fourier series important? Are there any real life applications of Fourier series? Are there examples of Fourier series which have an impact on students learning this topic. I have found the normal suspects of examples in this field such as signal processing, electrical principles but...
  50. K

    About Energy in Applications, me.

    Hi, I'm in second semester in physics at the university, sometime ago i take a course in "Solar Energy" in edx.org which I successfully passed, that encourages me to invest some money in almost home producing energy applications like, small solar kits and power banks, now I'm with all the things...
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