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1000 Threads found on edaboard.com: **Partial Differential Equations**

A First Course in **partial** **differential** **equations** with Complex Variables and Transform Methods
by H. F. Weinberger
Dover Publications Inc 1965/1995
ISBN: 048668640X
djvu version

Mathematics and Physics :: 05-30-2005 08:15 :: nalino :: Replies: **0** :: Views: **758**

ISBN: 048668640X
Title: A First Course in **partial** **differential** **equations** With Complex Variables and Transform Methods (Dover Books on Mathematics)
Author: H.F. Weinberger
Publisher: Dover Publications from...

Mathematics and Physics :: 09-05-2005 05:19 :: nalino :: Replies: **0** :: Views: **783**

here is another link for a book (djvu format): Handbook of Linear **partial** **differential** **equations** for Engineers and .html

Mathematics and Physics :: 06-21-2006 11:21 :: slavko :: Replies: **1** :: Views: **1125**

Dear all,
I need to do fdtd simulation of two coupled one dimensional **partial** **differential** **equations**. i have started going through the fundamentals of this method, i understand till discretizing the coupled **equations**..but after that i dont get how to solve them..how to iterate..and all..
can anybody help me in giving me (...)

Mathematics and Physics :: 05-18-2007 02:17 :: sunusweshen :: Replies: **1** :: Views: **631**

Hi friends,
I have 2 **partial** **differential** **equations**. I wonder if you could possibly help me to solve them. It is very urgent for me.
Thanks for your time.
Mohsen

Mathematics and Physics :: 01-14-2011 07:06 :: mohsen_b_p :: Replies: **0** :: Views: **571**

Hi all I hope u r all fine
Pls
I'd like to know what are the prerequisite math/physics topics to
**partial** **differential** **equations** and if you suggest a good
introductory book with emphasis on geometric
Interpretation it will be very helpful ... thnx :)

Mathematics and Physics :: 03-08-2014 14:21 :: eng_boody :: Replies: **1** :: Views: **434**

What are the best books dealing on the aformentioned topics like sneddon for elements of **partial** **differential** equaions wherein insights into the purpose of methods and what is really happenoing by solving **equations** and the physical interpretaion of the **equations** in curve generation. I don't need books with overwhelming (...)

Mathematics and Physics :: 09-07-2005 02:26 :: DrDolittle :: Replies: **1** :: Views: **834**

Nonlinear **partial** **differential** **equations** for Scientists and Engineers
1997 Birkhauser Verlag USA
Lokenath Debnath

Professional Hardware and Electronics Design :: 02-28-2002 20:38 :: mmxmtn :: Replies: **1** :: Views: **985**

I have a project in **partial** **differential** **equations** and i have to prove the Rodrigues Formula.If anybody has the proof of it i would be very gratefull if he put in in attachment.
Many thanks in advance.
peter-gr.

Mathematics and Physics :: 04-16-2004 11:56 :: peter-gr :: Replies: **3** :: Views: **5294**

Dear all,
I need to do the fdtd simulation of 2 coupled onedimensional **partial** **differential** **equations**..i have just started going through the fundamentals of fdtd method...i am able to discretize the coupled **equations**..then am not able to understand how to proceed further,..iterating them....i dont get it..can anyone (...)

Electromagnetic Design and Simulation :: 05-21-2007 04:55 :: sunusweshen :: Replies: **3** :: Views: **1012**

Can you help me on adaptive numerical solution of **partial** **differential** equation.
Regards

Mathematics and Physics :: 12-05-2004 01:27 :: fasaghandis :: Replies: **3** :: Views: **1576**

Hello every body,
Please help.
Derive the **partial** **differential** equation satisfied by the concentration u of a liquid diffusing through a porous solid. Hint: The rate at which liquid diffuses through an area is proportional to the area and to the concentration gradient in the direction perpindicular to the area.
Thanks in advance

Mathematics and Physics :: 01-29-2006 19:17 :: neoaspilet11 :: Replies: **5** :: Views: **1223**

Hi
FlexPDE finite element model builder for **partial** **differential** **equations**
1. -> t
tnx

Microcontrollers :: 03-11-2002 07:48 :: jimjim2k :: Replies: **1** :: Views: **1983**

Hi every body
Does anyone can help and provide an FDTD code to solve non-linear
**differential** **equations** especially to slove the E and H fields inside microwaveFerrite Devices (circulators and isolators)?
Thanks

RF, Microwave, Antennas and Optics :: 06-07-2002 01:43 :: gladiator :: Replies: **9** :: Views: **3849**

Pages from Mcgraw-Hill - **differential** **equations** (Schaum'S Easy Outlines) - 2003
Contents
v
Chapter 1 Basic Concepts and Classifying
**differential** **equations** 1
Chapter 2 Solutions of First-Order
**differential** **equations** 8
Chapter 3 Applications of First-Order (...)

Mathematics and Physics :: 04-18-2004 12:25 :: haymeron :: Replies: **0** :: Views: **1767**

Dictionary of Analysis, Calculus, and **differential** **equations**
by Douglas N. Clark (Editor)
Paperback: 288 pages ; Dimensions (in inches): 0.65 x 9.99 x 7.01
Publisher: CRC Press; (December 15, 1999)
ISBN: 0849303206 PDF
Size: 1x3MB

Mathematics and Physics :: 06-08-2004 17:49 :: bharundi :: Replies: **0** :: Views: **1298**

please help me for solve this **differential** equation
equation is in attach file

Mathematics and Physics :: 10-13-2004 16:56 :: comnint :: Replies: **8** :: Views: **1554**

18.03 **differential** **equations**, Spring 2004
Course Description
**differential** **equations** are the language in which the laws of nature are expressed. Understanding properties of solutions of **differential** **equations** is fundamental to much of contemporary science and engineering. Ordinary (...)

Mathematics and Physics :: 12-12-2004 12:12 :: v_naren :: Replies: **3** :: Views: **1169**

ISBN: 0471319996
Title: Elementary **differential** **equations** and Boundary Value Problems
Author: William E. Boyce
Publisher: Wiley from.....

Mathematics and Physics :: 09-05-2005 05:17 :: nalino :: Replies: **0** :: Views: **806**

Mathematics and Physics :: 04-03-2006 06:52 :: mshareef :: Replies: **8** :: Views: **905**

Someone please upload manual of
**differential** **equations** with Boundary-Value Problems
by Dennis G. Zill, Michael R. Cullen
I will really appreciate it . I have the solutions of Boyce Diprima
but they are part of the book but i have to use Dennis G Zill`s text
and i will really need help in acquiring solutions to this book . I will
be ve

Mathematics and Physics :: 04-26-2006 14:29 :: vermuz :: Replies: **3** :: Views: **1352**

I need to solve **differential** **equations** with initial conditions. I type the following into the Maple, however, I was told ERROR. Does Maple accept **differential** **equations** in symbolic form? How can I solve this problem?
Your light is sincerely appreciated. (...)

Mathematics and Physics :: 10-09-2006 00:16 :: sunroof :: Replies: **0** :: Views: **799**

Hi everybody, which **differential** **equations** book is Better for Beginner, Blanchard or Edwards & Penney book?
Which Student Solutions Manual of the Book is not ?by doing this and this then you?ll get this??
Thanks

Mathematics and Physics :: 05-27-2007 12:32 :: anthlei :: Replies: **2** :: Views: **752**

Hello,
The coupled **differential** **equations** needed to solve numerically is decribed as you help me to discretize and solve this system using Finite difference method?
Thanks in advance,

Mathematics and Physics :: 06-08-2007 11:14 :: lqkhai :: Replies: **1** :: Views: **910**

Hi,
i programmed a model in matlab which requires solving **differential** **equations** numerically. i used the commands
options = odeset('AbsTol',1e-20,'RelTol',1e-4);
= ode15s(@odes, , icval1, options);
and wrote the eqns. I have attached the results where i expect a difference. In the image 1.jpg, there are 2 graphs. However, if

Mathematics and Physics :: 12-14-2007 08:06 :: cedance :: Replies: **0** :: Views: **672**

Does anyone know good references about stochastic **differential** **equations** (i.e. **differential** **equations** containing a random part)?
I'm looking for something more on the application side, not an in depth mathematical treatment - I mean I want to know how to use and solve them, but I'm not very interested in proving that there (...)

Mathematics and Physics :: 02-21-2008 05:01 :: maxwellequ :: Replies: **0** :: Views: **689**

Dear all,
Plz help me by giving code for solving **differential** **equations**.I just want it for any **differential** equation which will work as an example for learning the same as well as for writing codes for other DEs.
Regards,
rc

Mathematics and Physics :: 11-04-2011 12:13 :: rahul.6sept :: Replies: **3** :: Views: **2865**

Hello!
I'm looking for a good introduction to **differential** **equations**, if possible online.
Especially, I would like a course that demonstrates how to solve second order
**differential** **equations** like ay" + by' + c = K.
That was a long time ago, and I don't remember the detail. I only remember
the results.
Thanks for (...)

Mathematics and Physics :: 05-08-2012 10:19 :: doraemon :: Replies: **19** :: Views: **1022**

Hi
Anybody know any material which contains how to model **differential** **equations** to electronic circuit ?
Thank You

Analog Circuit Design :: 12-06-2012 08:54 :: revooridinesh :: Replies: **21** :: Views: **1117**

Can somebody give a good link for Coupled **partial** **differential** **equations**.If possible a link for "**partial** **differential** **equations** by IAN SNEDDON too".

Mathematics and Physics :: 09-27-2004 09:51 :: DrDolittle :: Replies: **0** :: Views: **930**

Can anybody upload book for **partial** **differential** **equations** by Kluwer publications or Springer-Verlag publications
Thanks in advance
this is a matlab and pde combined book from CRC pres... hope tis helps.. u could get it by using the search option

Mathematics and Physics :: 12-02-2004 17:03 :: cedance :: Replies: **2** :: Views: **1431**

THANKS FOR HELP , BUT WHERE CAN IDOWNLOAD THIS BOOK
"**partial** **differential** **equations**" by Ian Sneddon
DO YOU KNOW ANY WEB ADDRESS TO GET THIS BOOK FREE
in my opinion this book is one of the best!!! to start with.. its matrix analysis... here s the

Mathematics and Physics :: 12-02-2004 10:29 :: cedance :: Replies: **12** :: Views: **2126**

Can somebody explain the physical meaning of direction cosines and direction ratios and there relation in the generation of curves whil solving **partial** **differential** **equations**.Please avoid the formula while explaining them.
Regards
drdolittle :)

Mathematics and Physics :: 12-11-2004 00:11 :: DrDolittle :: Replies: **0** :: Views: **1272**

hi,
yeah.. they are independent, but i hope they arent always. coz in some cases, they are dependent... space time coordinates as they call, when an object or something is a function of time and space, then to find the solution, since it becomes complex, they revert to dependence on a single variable, keeping the other constant, for simple cases

Electronic Elementary Questions :: 12-24-2004 11:43 :: cedance :: Replies: **2** :: Views: **932**

Hi all,
I need this article available on SIAM.
Transmission Line Modeling: A Circuit Theory Approach
Pedro L. D. Peres, Ivanil S. Bonatti, Amauri Lopes
Abstract. As shown in this paper, the classical transmission line **equations** for the distributed parameters model can be obtained from

Electromagnetic Design and Simulation :: 11-10-2005 00:29 :: svarun :: Replies: **0** :: Views: **489**

OK
Are there experts for such problem?
For ex. there is dielectric ball (no gravity!) and loop antenna is located somewhere
What are **partial** **differential** **equations** must be solved to obtain forces to the ball and possible momentums due to field radiated by antenna.
I want simulate (don't estimate!) the ball movement
Thanks in advance

Electromagnetic Design and Simulation :: 05-18-2006 08:03 :: Grig :: Replies: **3** :: Views: **568**

something you are suggesting is varying in 3 variables and hence has to be analysed with **partial** **differential** **equations** and it would vary with different extent in different regions....

Analog Circuit Design :: 08-22-2007 22:40 :: A.Anand Srinivasan :: Replies: **5** :: Views: **596**

A fast Fourier transform (FFT) is an efficient algorithm to compute the discrete Fourier transform (DFT) and its inverse. FFTs are of great importance to a wide variety of applications, from digital signal processing and solving **partial** **differential** **equations** to algorithms for quick multiplication of large integers.
You

Digital Signal Processing :: 09-05-2007 07:47 :: vandelay :: Replies: **5** :: Views: **813**

Essentially all of electromagnetics is described by Maxwell's **equations**. An interesting feature of these **partial** **differential** **equations** is that there is no fundamental size scale. This leads to some very useful scaling properties. If you have an antenna design that works at frequency f1, but you need it to work at f2, you (...)

RF, Microwave, Antennas and Optics :: 08-25-2008 07:12 :: rrumpf :: Replies: **1** :: Views: **823**

Hi.....
I want to design a TRANSMISSION LINE in VHDL-AMS in SMASH. Can anyone help me?
I had tried it in hAMSter tool using **partial** **differential** **equations** of LC circuit and got result but i have to do a long coding in this tool and have some less facility.
thank you in advance................

Analog Circuit Design :: 08-31-2010 06:25 :: vibhu.jiit :: Replies: **0** :: Views: **463**

What are the common Numerical methods employed to find the solution of
non linear **partial** **differential** **equations**

Mathematics and Physics :: 11-16-2011 08:04 :: blooz :: Replies: **5** :: Views: **543**

Hi guys, im trying to linearize a coupled non-linear ode. I used **partial** derivative, and then jacobian matrix, i have seen paper using state-space model of jacobian matrix. I cant get a proper reference on this state-space model.
Attached is the non-linear ode, the **partial** derivative of the non-linear ode and the state-space model of jacobian m

Mathematics and Physics :: 01-07-2011 12:41 :: thavamaran :: Replies: **4** :: Views: **1414**

Difference **equations** and Inequalities: Theory, Methods, and Applications
Format Hardcover Edition 2ND Subject Mathematics / **differential** **equations** ISBN/SKU 0824790073
Author Ravi P. Agarwal
Publisher Marcel Dekker Inc., Publish Date January 2000 Price $215.00
Review
In a self-contained monograph synthesizing some 400 recent (...)

Mathematics and Physics :: 05-02-2004 07:25 :: cat_basilio :: Replies: **1** :: Views: **2958**

Applications and numerical analysis of **partial** **differential** Volterra **equations**: A brief survey
Simon Shaw and J. R. Whiteman
Computer Methods in Applied Mechanics and Engineering
Volume 150, Issues 1-4 , December 1997, Pages 397-409
Symposium on Advances in Computational Mechanics
Available online 11 May 1998 (Accessible via Science

RF, Microwave, Antennas and Optics :: 12-03-2004 00:11 :: nicleo :: Replies: **8** :: Views: **1202**

May i know the application of pfaffian differntial **equations**?What I mean is the area of study giving rise to this form of **equations**.
Regards
drdolittle :)

Mathematics and Physics :: 12-11-2004 00:14 :: DrDolittle :: Replies: **1** :: Views: **881**

hi all
if you have any e-book about PDE(**partial** differntial equation)
plz share it.
bye

Mathematics and Physics :: 11-13-2005 05:05 :: hamidr_karami :: Replies: **0** :: Views: **797**

Hi,
It is easy to do the derivative of sampled data by doing something like
/Δt, however, what do you do to make sure the answer is scaled correctly?
For example if you take a 10 Hz sine wave (+/- 1) and sample it at 25 Hz, then do the derivative- as above, you will get a cosine, but the amplitude will be off, increase th

Mathematics and Physics :: 05-09-2006 17:36 :: pontotochs :: Replies: **2** :: Views: **1045**

Hi,
can you help me. Give me a circuit diagram using opamps and passive elements to solve for v(t)
d?v/dt? + 2 d?v/dt? - 4 dv/dt + 2v = U(t)
where, the voltage U(t) is given though some generator.
initial conditions given:
v(t=0) = 0;
dv(t=0)/dt = -2
d?v/dt? = 3, at t=0

Analog IC Design and Layout :: 04-03-2007 12:23 :: RollingEEE :: Replies: **15** :: Views: **8181**

everything that involves rate of change can be modeled as **differential** **equations** either ordinary or **partial**
it depends on your system properties
like if it is linear or not or it is lumped parameter or distributed parameter
for example
it can be used in analysis of 1st and 2nd order circutis
these are RC RL and RLC circuits
but (...)

Mathematics and Physics :: 10-12-2007 10:23 :: aersoy :: Replies: **13** :: Views: **3959**

electronics_kumar,
Initial values and boundary conditions need to be specified in order to get a complete soution to an ordinary **differential** equation (ode) or **partial** **differential** equation. As an example, consider a simple RC low pass filter. Its output is defined by an ode, along with its input voltage. Consider two situations:
.
The (...)

Electronic Elementary Questions :: 12-01-2007 14:03 :: Kral :: Replies: **1** :: Views: **470**

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wave processing | microstrip lines port | skill sample | dnl dac | dac filter | initialize chain | current sensing resistor | ranging | decide size | rdson