Matlab

Double integral with bessel function and summation
Dear all, I recently started using Matlab and hope you can help me with the following problem: I try to evaluate a double integral with a zeroth order bessel function in the inner integral and a sum (n to infinity) in the outer integral. I tried nested trapz functions so far (I didn't succeed here, but I gue... 29 Jun 2010 11:50

Filtering
Hello I am using bandpass butter worth filter for my earthquake signal. Does this filtering operation introduce any additional phases into the filtered signal?. If so how do I remove them. Jetson Thank you ... 29 Jun 2010 11:50

Using imported data in functions
Hi everyone, How can I use imported data in a function? I have the data I need in the workspace which works perfectly when I run the code as a script, but when I put a function around it, it cannot find the data. The error seems quite straight forward: ??? Undefined function or method 'data' for input argument... 6 Jul 2010 04:37

basic communication modeling question..performance is strange
Step by step,, Bernoulli Binary block - sample time : 1e-7/(k*code_rate) - frame-based outputs -> samples per frame: 600 - the rest : initial state convolutional Encoder : initial state -> Trellis structure : poly2trellis(7,[171 133]) ... 29 Jun 2010 11:50

color coding isosurface plots
Hi, I have created an isosurface plot of my data but can't figure out how to color code it. The data comes from a 3 dimensional square matrix whose values range from -300 to +300. I would like to color code my isosurface plot in terms of these values (blue=low, red=high) but cannot figure it out. Thank you! ... 29 Jun 2010 11:50

Help with listbox values
Hello all, Maybe there is a way I can use a pushbutton to execute this??? I've been working on a gui with GUIDE that extracts data from an excel sheet and places it into a cell array. The listbox then updates its contents based upon what item the user selects. The default value for listboxes is >1<, so the fu... 4 Jul 2010 13:21

Calling dll-function with 'function pointers' as input
Have you already found a solution for this problem? thanx! ... 29 Jun 2010 11:50

AM problem
hi, i have just implemented an envelope detector in order to demodulate am and i have also implemented a dc block (using the main value) Should I use a filter center in the carrier frequency between the envelopedetector and the dc block to demodulate the signal???? Thank you ... 4 Jul 2010 13:21

Adding lib file to RTW
Hi, I am trying to create a Block set that can be used to create an windows exe using the RTW. I need to get the RTW to add to the generated C++ project a path to search for a lib file. I have look at the help and it is no help. Can someone kindly help me out. ... 2 Jul 2010 20:09

combining two graphs into one
Walter, I am having a similar problem that Kwadwo had. The 2d plots I am trying to concatenate into a 3d volume are field maps of a magnetic field. I started with a 64x64x64 matrix whose values displayed the field strength at the coordinate mentioned and I wish to graph them as a 3d volume, into which I can zoom and ... 29 Jun 2010 10:44