Matlab

How to pick up a max element and its column and row number?
Which command can? Element and its column and row number must be corresponded. ... 12 May 2010 06:57

Replacing part of matrix with zeros
Thanks us! Much appreciated. "us " <us(a)neurol.unizh.ch> wrote in message <hsdnn0$mff$1(a)fred.mathworks.com>... "Ulrik Nash" <uwn(a)sam.sdu.dk> wrote in message <hsdna0$qbl$1(a)fred.mathworks.com>... Hi Everyone, I have a matrix A. Lets say its 5 x 10. Now I wish to perform an operation, wh... 12 May 2010 05:52

Multi imroi
hi I would like to set several ROI on an image, as shown in the code below fig = figure; I = imread('coins.png'); imshow(I); roi1 = imrect; position = wait(roi1); roi2 = imrect; position = wait(roi2); Now, based on a user click on the figure, how can I retrieve which of the ROIs was selected? Thank... 12 May 2010 05:52

Adjust R squared for least square regressions
I am using the "regress" function to run a least square regression. the "stats " output reports the R squared according to the documentation without specifying whether it is adjusted or not. Is it the adjust R squared? ... 12 May 2010 06:57

match picture into 3d shape
hello, I've got to match a picture as a skin on a 3d shape. the shape is obtained by laser scan, and the picture it's a jpeg by webcam. so I have the shape of a stone with its picture. I need to cover the 3d shape in matlab to rebuild the stone in 3d. the basic problem is that I need something like the comman... 12 May 2010 05:52

memory problems in R2009b?
Are there any known memory problems in R2009b? I am out of memory when I am using my program developed in R2008a, with R2009b. It still runs in R2008a without problems. My program uses a few large arrays but no heavy calculations. Thanks! Lara ... 12 May 2010 10:14

usb to serial port
i've got matlab on a computer without any available serial ports (there is one, but it is connected to something else). I'd like to get a usb-to-serial port adapter, but i don't know if matlab will be able to control it the same way it does a normal serial port. anyone know the answer? ... 13 May 2010 00:44

Job offer: Software Control Engineer (Herts, England)
1) Matlab for everything but also Simulink if necessary / required 2) To control instruments / devices via RS232/USB via NI PCIe6259 DAQ 3) Use of Bioinformatics, Curve Fitting, DAQ, Database, Image Acquisistion, Instrument Control, Image Processing & Statistics Toolboxes. 4) h/w includes 1 Tesla card for real time ... 12 May 2010 05:52

array/structure with first row as titles/labels
hi I am got results data for example as follows model = [1;4;3;8]; angle = [0.1;0.3;0.8;0.15] scale = [1;1.1;1.1;2]; now i want to present it so that it shows the results in one say matrix with the first row havin the name of the parameter. as shown below model angle scale 1 0.1 1 4 ... 21 May 2010 08:23

Convolution and Deconvolution
Iam trying to generate a sinusoidal and a guassian noise.Convolve them and deconvolve them to get the sinusoidal signal back.I have tried with the following code: x= -pi:0.01:pi % Generate Sinusoidal signal s=sin(x); plot(x,sin(x)), grid on n=randn(1,629); % Generate Guassion Noise z=conv(s,n); % Convolve... 12 May 2010 05:52