Matlab

Controlling Lecroy Oscilloscope with Instrument Control Toolbox
Hi, I have connected my Lecroy WaveSurfer 422 to Matlab instrument control toolbox using the lecroy_basic_driver, and connected to the o-scope using TCP/IP. With tmtool, or equivalent commands at the command line, I can change my o-scope's settings and such. However, the driver is very limited and I want to use ... 15 Jul 2010 14:17

Help with retrieving pixel values
Hi All, I have an axes that has two images in it(overlapped). I would like to see and store the pixel values of mouseclick on the picture. I used impixelinfo which shows the pixel values(RGB) at the bottom but I need to store them, and I have not been able to do it the way it was mentioned in one of the ot... 15 Jul 2010 14:17

Creating a legend for a grayscale image
Hello, I wanted to know if there's a way to create a legend showing the intensity values of each pixel in an image. What I'm trying to get is something that shows what color (from white to black) corresponds to what pixel value on the image plot (using the imagesc command). For example, white = x, black = y, ... 15 Jul 2010 15:23

matlab code for energy detection spectrum sensing in cognitive radio using AWGN channel
"EE Student " <np7(a)cec.wustl.edu> wrote in message <htc5l7$lt9$1(a)fred.mathworks.com>... "shona " <shonacool02(a)yahoo.com> wrote in message <htc3rl$q6b$1(a)fred.mathworks.com>... I am new to matlab . I an doing my project on implementation of n ratio logic based cooperative sensing using double threshold energy det... 15 Jul 2010 13:10

GUIDATA...between callbacks
Hello, I have a code that generates a series of axes (the number of which is user-defined) that lay over one another to create what appears to be one plot. In order to pass the properties of each of these axes between callbacks, I have to use GUIDATA (I think). This is what's happening: 1) Axes arrays are crea... 15 Jul 2010 14:17

Nelder-mead simplex optimization..Doubt on number of Parameters
Hi, I am trying to implement nelder mead algorithm to an optimization problem usng derivative free approach. But the problem is I have a large number of parameters (around ten thousand). So to use this I have to to create a simplex of "number of parameters + 1" sides and evaluate function value at each point. This i... 15 Jul 2010 13:10

Nelder-mead Algorithm, Doubt on number of Parameters
Hi, I am trying to implement nelder mead algorithm to an optimization problem usng derivative free approach. But the problem is I have a large number of parameters (around ten thousand). So to use this I have to to create a simplex of "number of parameters + 1" sides and evaluate function value at each point. This i... 15 Jul 2010 15:23

Input function filled with empty matrix
I am writing a m-file that first has a user enter a number, then pick a point off of a graph, and then enter a final number. Similar to the code below. input_1 = input('Enter a number ') ; yy = @(x) sin(x); figure(1); ezplot(yy); fig = figure(1); obj_1 = datacursormode(fig); set(obj_1,'DisplayStyle','window','E... 15 Jul 2010 13:10

Issues for compile the demo adaptor.
Hello, (sorry for my english, I'm french) I try to follow the "Data Acquisition Toolbox Adaptor Kit 2" user's guide for make a dll for a new device. I have Visual Studio Pro 2008, but I can't build the demo adaptor ($MATLAB/toolbox/daq/daqadaptor/Demo). I have these errors : http://matlab.pastebin.com/XESpG9... 5 Aug 2010 16:54

Slow/Fast Rayleigh Fading
"nanren888 " <nanren888.remove.this(a)hotmail.com> wrote in message <hho86v$c32$1(a)fred.mathworks.com>... "Hosso Hosso" <gamavor_535(a)hotmail.com> wrote in message <hhnb8n$m34$1(a)fred.mathworks.com>... Dear Friends, I am trying to simulate a fading channel using Matlab's rayleighchan() function, my question is ... 15 Jul 2010 13:10