Applications Definition and 627 Threads

If any of you guys are seeing or saw this app. for linear algebra in your classes, I could use a hand... Homework Statement A Hill 2-cipher is intercepted that starts with the pairs SL HK Find the deciphering and enciphering matrices, given that the plaintext is known to start with the...

I was given a problem by a professor to prove the following problem: Anyway, I have done this but am supposed to remark on possible applications. I'm not sure to what I could apply this though. Maybe something to do with ergodics? Any suggestions would be appreciated.

As the title suggests, I am going to graduate with a BS in physics, (graduating in spring 2013) I want to go into mechanical engineering, so I am looking into masters programs (If I wanted a PhD I would get one in physics, but I don't so engineering here I come) I know I will most likely need to...

Hey guys, First time posting. I was thinking of starting an extra credit paper for my Physics 1A course, and was wondering if anybody could think of any noteworthy and recent applications of classical mechanics that I could do some research on. I was thinking of maybe pursuing dark matter as...

Homework Statement At a seaport, the depth of the water h metres at time t hours during a certain day is given by this formula: Q: What is the maximum depth of the water? When does it occur? Homework Equations h = 1.8 sin 2pi [(t - 4)/12.4] + 3.1 The Attempt at a Solution 4.9 = 1.8sin 2pi...

Homework Statement N refers to the set of all natural numbers. Part 2: From the previous problem, we have σn : N → N for all n ε N. Show that for any n ε N, σ(n+1)(N) is a subset of σn(N), where we have used n + 1 for σ(n) as we defined in class. 2. The attempt at a solution For Part 2, I...

Hi, I'm a newbie... I came to know that there are many types of transistors available in the market with high, middle, and low β values.But, I don't have any idea about applications of each in detail.Can anybody tell me the applications of high β, middle β, and low β valued CE...

Greetings, I’m constructing a machine that involves a linear actuator powered by a 12vdc motor. My linear actuator has a foot that crushes an aluminum soda can until the motor’s torque maxes out and it stalls. The machine is intermittent duty at about 6 seconds of use every 3 minutes. My machine...

Homework Statement Applications of Integration: y=x^2+1 and y=sq root(1-x^2) the graph (shown in the book) shows two curves from the two given equations (one obivously positive and the other negative) the shaded area is in between the two curves the bounds are x=1 and the shaded area is...

So, I am taking introduction to real analysis next semester, and I heard that it may be a challenging course. But what I want to know is the applications of real analysis, which I imagine there are some of, considering how the phrase "real analysis" seem to be thrown around quite a bit. Thanks.

My supervisor always talks about how a problem is convex or its nonconvex and we want to convexify it. I understand that convexity gives a lot of advantages for optimization, and I understand the geometric definition of convexity. How does my supervisor know something is convex? Like a...

hi , i want to know the engineering applications of bessel function ,, can anybody help me?

Hey... I want to consider my research work on DFB laser as Sensor applicstions. I need to write a Research proposal on this topics. DFB Laser/DFB Fiber Laser as sensor for Hydrophone, Accelerometer, Seismic operation, Aerodynamics sensor, Flow control, Humidity Control, Temperature control...

Homework Statement Stoke's law states that retarding force is proportional to velocity. An example is falling rain drop in air. My book states that " if a rain drop falls, it accelerates initially due to gravity. As the velocity increases, the retarding force force also increases...

Dear Everybody! I'm searching for some real life applications of partial derivatives. I would be very thankful, if you sent me some example. Thanks from Hungary.

Homework Statement Hi what are some biomedical applications for - low pass filter - high pass filter - band pass filter - band stop filter Homework Equations -nil- The Attempt at a Solution filtering out high frequency noise? eg. handphone signals

So I've been wondering for a long time: How are conics studied in Calculus and Analytic Geometry? Also, how are they applied in real-life situations, whether it's something as simple as construction, or something as complex as physics and engineering. Ever since I studied conics in my...

Hi all I want you to give a comparison between PTFE / PCTFE / Viton / EPDM O-ring considering these points : • nonflammability • excellent chemical resistance to all inorganic corrosive fluids • Thermal resistance • friction • practically zero moisture absorption • excellent...

I am reading some papers that mention evanescent waves. From what I can find, evanescent waves occur because of the Maxwell Boundary Conditions but I don't really see how. Could some please comment on this or just on the general topic. Thanks!

Can you think of some recent advances in Maths (i.e. an physics undergrad won't know) that are at least vaguely related to some real world applications (i.e. life would be harder without them)? Some new tools, tricks or methods? Maybe some new concept apart from algorithmic improvements for speed.

What is the rating of conventional rewirable fuse, MCB etc. What is the rating of polyfuse(resettable fuse or PPTC fuse). Polyfuse are normally used in electronic circuits. Can we replace conventional household power supply main rewirable fuse with these polyfuse. Is it available in such...

Homework Statement what is shear flow and how can you use it for?

The Aharonov-Bohm effects show how a electro-magnetic field could affect a region of space in which the field had been shielded, although its vector potential did exist there and could interact with the wave function of say the electron. What practical application(s) (so far) can be derived...

Homework Statement Vande Graff generator is used to generate potential difference to the order of 107 volts to accelerate charged particles. Homework Equations My question is, " Will this voltage can be used to accelerate electrons or it is merely confined to accelerating positive...

Hey guys, I am running a homepage showing programs I created, as well as some artistic endeavors: www.airlich.de Within the next couple of weeks, I intend to write many emails asking informally about the availability of PhD positions. I am going to keep these emails short and won't cludder...

Outside of pure mathematics, where is group theory used?

That's what a friend told me atleast. He said that electrical engineers are starting to use way more advance physics for applications. And if this is true, what are the applications of it in the eyes of a electrical engineer? Also, do electrical engineers use mathematics such as banach space...

Okay, in the Escape Velocity Equation, with the usual notations, v2=2gR2/r + (v02-2gR) a few articles like [PLAIN]"www.math.binghamton.edu/erik/teaching/02-separable.pdf"[/URL]give the following explanation: ... ... ...(implying that v0>=√2gR) That raises a few doubts in my mind...

Hi, I did this video using mathematica. https://www.youtube.com/watch?v=FFxrHTfWegk It shows different patterns formed by Maurer Roses, see description on youtube. Does somebody know any application of this?

Are there any applications of the Jordan Normal Form of a matrix in physics? If so, please explain?

Hi all, I know that Frenet–Serret formulas are: dT/ds=kN dN/ds=-kT+fB dB/ds=-fN and also that this formula effectively defines the curvature and torsion of a space curve (http://en.wikipedia.org/wiki/Frenet–Serret_formulas), but: 1) Where else one can find those equations? 2) Do you have...

A mass M at To =0 s has a speed of lVol in the positive X direction. The floor has a coefficient of static friction of Us and a coefficient of kinetic friction of Uk. How far will the mass M travel? mass = M @ To = 0s speed = Vo coefficient of static friction = Us coefficient of Kinetic...

Hey guys, I was wondering if you could just check this problem for me (I put it in a Word Document and attached it to this post). The problem, my work, and my attempted solution is included in it. Thanks!

Homework Statement The volume of an air mattress is 15 cubic feet. Air escapes at a rate of r(t)=0.25e^(−0.05t), where r is in cubic feet per second. Assuming the mattress is still completely inflated when the valve is opened, how much air is released in the first 30 seconds?Homework Equations...

We are going over capacitors in AC and DC circuits in my circuits class and I was reading over the applications of capacitors. It is mentioned that they are used for filtering in power supplies and there is some stuff about full-wave and half-wave rectifiers. I am confused on how all of this...

I'm pretty sure there was a grad school FAQ sticky, but I can't find it (am I just blind?). Search didn't bring it up. I've heard a lot of different things about grad school applications. Grades are everything, all that matters is if you've done research; being published is a huge boost...

I just started learning about DE's and am impressed by how much information they contain. Are they usually just a relationship between several simpler functions? For instance, a basic kinematic problem like v = at + vo seems quite hard to come up with experimentally but v = d/t would be...

The rate of capital growth in a bank account is described by the differential equation dM/dt = aM Where dM/dt is the rate of change of the capital M and a is the annual interest rate. Show that the general solution for the time dependence of capital M(t) is given by: M(t) = M0 * e^at...

This is probably a commonly asked question but I felt id ask it. If your studying math and you get really good at the good basics of math, algebra, linear algebra, real analysis, differential equations, PDE's, calculus, trigonometry, etc. etc. I can see a lot of small examples of where it is...

Homework Statement I don't know if this belongs here, but we are currently learning about Euler's formula in class. I was wondering if anyone knew some interesting applications of the formula. Homework Equations e^ix = cosx + isinx The Attempt at a Solution I looked on...

Because I'm transferring programs (Engineering -> CompSci), I may have three withdrawls this term. If I explain that the withdrawls are because of this program transfer, the admissions committee will most-likely understand right? I don't enjoy these courses and the courses will not be program...

I was wondering if there are any applications of abstract algebra to engineering and where I can go to learn about them?

Looking for book "Physics and Applications of the Josephson Effect" Hello. I'm at the beginning of a project related to the Josephson effect and need the book "Physics and Applications of the Josephson Effect". I searched her long time, but I fail to find it. If anyone has it I would greatly...

i am a high school student and have designed a magnetic levitation system for my school science fair. The circuit used is: http://uzzors2k.4hv.org/projectfiles...%20circuit.GIF However, i would like to scale up the project and find some REAL WORLD applications for the system. I have been...

i am a high school student and have designed a magnetic levitation system for my school science fair. The circuit used is: http://uzzors2k.4hv.org/projectfiles/magneticlevitator/Magnetic%20Levitator%20circuit.GIF However, i would like to scale up the project and find some REAL WORLD...

I am about to start a mathematics degree and one of the textbooks I have been advised to get is Elementary Linear Algebra with Applications (10th edition) by Howard Anton & Chris Rorres. This book costs about $130 however I have found the 9th edition of the same book for far less. If anyone is...

I filled out some of my reu applications by hand rather than typing them up on the computer. My parents don't think this is acceptable. What do you guys think?

I'm in the process of getting my application to grad school completed and have a number of "5000" level classes that I'm not exactly sure how to classify on my my applications. Is it appropriate/acceptable to list ALL of them as "graduate" classes that I've taken as an undergraduate...even...

I'm getting a head start on applying for REUs this weekend and am currently typing up my resume since one of the applications asks for one. Should I put clubs I was in during high school on the resume? A lot of what I did in high school isn't relevant to physics at all (I was heavily...

Homework Statement Find the mass of the solid from problem 42 if the density is proportional to y 42. Find the volume between the planes z=2x+3y+6 and z=2x+7y+8 and over the triangular vector (0,0) (0,3) and (2,1) The Attempt at a Solution The reason I'm asking is because I'm not sure...