Hi dear all The f( t,f ) function generate a m-by-n matrix, x axis of matrix denotes time domain and y axis denotes frequency domain. I would like know how is calculated the integral in every column, b=integral f(t,f) from –f/2 to f/2, the result be equal to the b 1-by-n vector. Thanks & best regards "maryam " <raha_smm@yahoo.com> wrote in message <kbs5hu$dgc$1@newscl01ah.mathworks.com>... > Hi dear all > The f( t,f ) function generate a m-by-n matrix, x axis of matrix denotes time domain and y axis denotes frequency domain. > I would like know how is...

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US-TX-Austin: WANTED! Logic Design Engineer., Integrated North bridge exp ., P (45353114402) ============================================================================================ Position: Microprocessor Logic Designer Reference: SMC01770 Location: Austin TX Duration: Perm Skills: BSEE (MSEE preferred). Integrated Northbridge exp. 5+yrs in logic design and micro architecture development for microprocessors (x86 strongly preferred). Core skills include logic development. Exp in stati...

Hello all, I have a problem. Suppose I have a function: func[x_] := NIntegrate[ x*Sec[alpha]^2*Exp[-x/Cos[alpha]], {alpha, - ArcCos[x/2], ArcCos[x/2]}]. Basically the argument of the function, x, also appears as boundary of integration Now, when I want to do this integral: NIntegrate[func[x], {x, 0.2, 1}] there are error messages: NIntegrate::nlim: alpha = cos^-1(0.5 x) is not a valid limit of integration. >> Although in the end, the result appears. Now, how to handle this problem? I think in this case, we can get the result because func[x_] itself is simple. But a...

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The Scintilla library shows how easy and how profitable it is to use libraries in applications. And since there are lots of libraries around I decided to add a guideline to wxGuide. The meaning of this guideline is first to show application designer how to integrate libraries and second to show library designers how to create an easy integratable library API. Also I hope this guideline may lead to more standardizised libraries API concepts. I know that there are almost as many API concepts as are libraries but some are more common and easily integratable than others. At first I just...

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Hi all I am wondering about something. I am about to create a circuit with programmable resistors which I am going to control via Labview. I have already simulated the circuit in Multisim 10.0 and I was wondering if I can integrate the simulation into Labview 8.5 and control it. In short I want to run a VI which imports voltage signals from Multisim along with being able to change the values of the potentionmeters in the circuit simultaneously! Is that possible, and if so, how? If someone can help then THANKS ALOT beforehand;) ...

p=1300; v=1/60; rho=8000; c=674; sig=0.0015; a=0.0000051; Temp_o =30; x=0.05; y=0.05; z=0.05; t_o=0.18; f =@(t) [(t_o-t)^(-0.5)]/[sig^2+8*a*(t_o-t)]*exp(-2*((x-v*t)^2 +y^2)/(sig^2+8*a*(t_o-t))-(z^2)/(4*a*(t_o-t))); temp=quadgk(f,0,0.18) it says: ??? Error using ==> mpower Inputs must be a scalar and a square matrix. Error in ==> @(t)[(t_o-t)^(-0.5)]/[sig^2+8*a*(t_o-t)]*exp(-2*((x-v*t)^2+y^2)/(sig^2+8*a*(t_o-t))-(z^2)/(4*a*(t_o-t))) Error in ==> quadgk>evalFun at 357 fx = FUN(x); Error in ==> quadgk>f1 at 375 [y,t...

Hallo to everyone, I do not know if this the correct newsgroup for my question and if not please redirect me to the correct one. I want to perform 2D numerical integration using the compound Boole Rule (and matlab). My problem is that I cannot find the coeficients for the integration points. Has anyone already worked with this rule?? Can anyone point to some books, references concerning my problem?? Thank you very much for your time Sincerely Ioannis Botonakis ...

Hello, to apply further rules on simpler integrals (rules for the integration by parts), I would like to distribute the integral over its summands. This works if it is an integral alone, but doesn't if there is a factor (because the head is Integrate in the first, and Times in the latter case?): \!\(Distribute[ t \(\[Integral]\_x1\%x2\((f[x] + g[x])\) \[DifferentialD]x\)]\[IndentingNewLine] Distribute[\[Integral]\_x1\%x2\((f[x] + g[x])\) \[DifferentialD]x]\) Out[695]= \!\(t\ \(\[Integral]\_x1\%x2\((f[x] + g[x])\) \[DifferentialD]x\)\) Out[696]= \!\(\[...

Hi to all, I have the value of a function in a vector, I need to calculate the integral, Matlab have function for this? Manuel a �crit : > Hi to all, > I have the value of a function in a vector, I need to calculate the > integral, Matlab have function for this? if you have the VALUES, you canNOT computes the integral, only an approximation, roughly : sum(Y)/(abscissa range) if you need to computes the integral, use quad ("help quad" for quadrature) with a Simpson algorithm. Mirandole wrote: > Manuel a �crit : > >> Hi to all, >> I have the value of...

-------- Original Message -------- Date: 12 Sep 2003 23:52:45 GMT Newsgroups: comp.lang.verilog Hello, My university has NC-verilog from cadence. I've used it mostly from the command-line, in much the same way I used verilog-XL. I have also used matlab/c++ (with the standard template library, STL) to explore some CAD algorithms. Matlab is the top-most environment. It calls my C++ program, which was compiled in a very specifical way (described in the matlab documentation) to be called as a dynamic library. My C++ program does call-backs to the parent matlab environment for some thi...

Let B be a nonsingular nxn matrix. I want to integrate the function: f(t) from 0 to T, where f(t)=exp(Bt)*exp(Bt)'. Can somebody help me? Thanks. is t symbolic, or numerical? numnerical integration? Cheers... In article <jlhee8z4ftbh@legacy>, juliocacho@hotmail.com (Julio) writes: >Let B be a nonsingular nxn matrix. I want to integrate the function: >f(t) from 0 to T, where f(t)=exp(Bt)*exp(Bt)'. Can somebody help me? >Thanks. > If B is diagonalizable then B=T*\Lambda*inv(T) with \Lambda the diagonal matrix of the eigenvalues and exp(Bt) = T*d...

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Hi all! I am tired to search for the answer on the Internet. Noone can expalain me how I can pass some data to Matlab from C# program and get data from it. Briefly a problem in the following: For example I want MatLab to run such code: "clear all,clf; x=0:30; y=sin(x); plot(x,y)" Now when I send it from C#, like this: matlabtype = Type.GetTypeFromProgID("matlab.application"); matlab = Activator.CreateInstance(matlabtype); object[] arrayInput = new Object[] {"clear all,clf; x=0:30; y=sin(x); plot(x,y)"}; matlabtype.InvokeMember("Execute",Bindi...

CALL FOR PAPERS =========================================================== Special session: Design, Analysis and Tools for Integrated Circuits an Systems DATICS 2008 July 22-24, 2008 (Crete Island, Greece) http://digilander.libero.it/systemcfl/datics =========================================================== Aims and Scope -------------------------- The main target of the Special Session: DATICS 2008 of the WSEAS CSC multi-conference (http://www.wseas.org/conferences/2008/greece/icc/) ...

I have three column data which I wish to plot. The first two columns refer to the in plane grid positions and the third is the height. I wish to plot a density map. I am unable to do this. I can plot a continulous function and the density map, however I am unanble to get this working for the data file. Any advice?? Now the three dimensional map works, but when I try pm3d map, I get nothing. Is there any advice that you can suggest or some examples scripts. My data is listed as follows: 0 0 1.5 0 1 1.6 0 2 1.9 n m X Many thanks brettdonovan@gmail.com wrote: > Any advice?...

I am designing an employer database, and I had thought that my tabledesign was pretty sound, but a new revelation has ruined my design. What I guess i really need is a way to uniquely identify employers. originally I had planned to have an employer table, with autonumber employer id #, the employer name, and the employer federal identification number. then i have a location table, since each employer can have multiple locations, i.e. walmart, home depot, burger king, etc. the location table would have an autonumber location id, the address, and the employer id number as a foreign key. the goo...

Some nitpicking on details: The comment above AutoVacMain() claims: ! * Main entry point for bgwriter process I also see a bunch of // comments, I think those are not appreciated. Haven't had time to look much at the actual functionality. Just did a quick look-through for win32 showstoppers, to be honest - didn't find any. (Doesn't mean they're not there, but..) Also, isn't it a bit unnecessary to do: sprintf(logbuffer,"foo bar %s",whatever); elog(ERROR,logbuffer); why not just elog(ERROR,"foo bar %s",whatever); [assuming I...

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Does anyone know how to make the following work using pure functions in Mathematica? Given two functions f and g compute and for a fixed k[x] h[f_,g_,alpha]:=NIntegrate[f[alpha-x]*k[x]/NIntegrate[g[alpha-x-y]*k[y],{y,-Infinity,Infinity}],{x,-Infinity,Infinity}] I want to put arbitrary functions f and g into h and get an answer. Charles In your definition of h, alpha must be a pattern, and since you are using numerical techniques alpha should be restricted to a numeric value. Clear[h, h2] k[x_] := Exp[-x^2/3] h[f_, g_, alpha_?NumericQ] := NIntegrate[f[alpha - x...

Hello! I am trying to integrate 1/(Sqrt(X2)+Sqrt(X1)) by the variable X1. HP50 changes it into -(-SqrtX2+SqrtX1)/-(X1-X2) which is perfectly fine, but it is still showing "Warning, Integrating in approx mode" (I've been using RISCH function) and I get: INT((-SqrtX2+SqrtX1t)/(X1t-X2),X1t,X1) How can I proceed or manipulate this?? Thank You very much. In article <9334339c-4d1a-4eef-b5a9-e1238fe59090@googlegroups.com>, Antisa Haso <antisa.filimonovic@gmail.com> wrote: > Hello! > I am trying to integrate 1/(Sqrt(X2)+Sqrt(X1)) by the variable X1. HP50...

hi frndz, I am trying to integrate an error using the "int" function in matlab, but I am getting an error like " Function 'int' is not defined for values of class 'double'." . From the error I could understand that "int" is for symbolic functions only. What we should use if I want to integrate soem thing like this error=int((yt-y),0,t); where t=2; and yt and y are vectors of dimension 3x3 On Apr 3, 3:52 pm, matsi <siva.it...@gmail.com> wrote: > hi frndz, > > I am trying to integrate an error using the "int&quo...

Hi, I am developing a H.320 terminal which implements G.722 (speech codec) and H.261 (video codec), at this moment I am evaluating the different available DSPs to integrate them but I have a doubt: Can I integrate both codecs together in the same DSPs or I should do it in different DSPs?. What is your opinion? Another question consists in getting an architecture reference of any modem already designed to understand the general lines of these architectures, do you know where can I find it? Thanx Jajo ...