Matlab

Help in lsqr / fit
A function F has 2 parameters which I have to calculate. they are x and y in the function defined. f is the value of the function I have. This is the function file i have created: function F=myfun1(X,t,f) t=[1220 1771 1980 2100 2400 3000 3800 4100 4400 5000]; n=length(t); x=X(1); y=X(2); for i = 1:n f(i)... 20 Apr 2010 15:53

delete cells in cell array with certain cell size
Hi there, how can I delete cells (arrays of different length) with a size==1 in a cell array? example for an cell array C. Cells 3 and 6 have a size of 1x2 and have to be deleted: C(1:6) ans = [13x2 single] [14x2 single] [1x2 single] [9x2 single] [11x2 single] [1x2 single] I could man... 20 Apr 2010 18:29

I have a code which doesnt work on the deploy mode, but works on the normal mode.
I am training a neural network with the function newff. It runs correctly on the normal mode. On the deploy mode the next error is shown: Network.subsasgn>setAdaptFcn at 1806 Output argument &#8220;err&#8221; <and maybe others> not assigned during call to &#8220;.....\GUI_Oftalmologia_mcr\toolbox\nnet\@network\sub... 20 Apr 2010 14:29

CHANGING COLORS
Faiz Ali wrote: Hi, I am doing project "AUTOMATIC NUMBER PLATE RECOGNITION". i want to read each pixel of an image and get its color. if the obtained color is not white, den it should change to black. Can anyone help me with codes of this?? Is this image an indexed image (a 2D matrix) or a true-co... 20 Apr 2010 14:29

Slider in GUI
Thanks Matt fig, is it possible to change in the GUI builder property inspector ? and S = uicontrol('style','slider','pos',[10 10 100 20]); set(S,'position',[10 10 20 100]) i will put them under function slider_CreateFcn(hObject, eventdata, handles) ??? Thanks in advance ... 20 Apr 2010 14:29

matlab 2010 plot issue
Hi, I recently installed matlab 2010a and am having an issue where when I plot it is making the plot of bunch of colors on the color wheel. I was under the impression the default plot command would make the color blue..... which was the case in 2009, is this a bug? all I am doing is plot(variable,xlabel('labe... 27 Apr 2010 15:37

custom filter bank with time varying filters in Simulink
Hello Matlab/Simulink users, I am currently working on a Simulink model that takes sampled audio input and processes it to produce some output. Now I would like to model a bandpass filter bank so the audio input is split into many frequency bands and each band should then be passed to one instance of the model I alr... 20 Apr 2010 14:29

How to get a motion vector from a pixel to another pixel
I am using the code below to try and provide an estimated motion vector for the next frame. I have to use this code in a m-code block which will then be passed to Xilinx to operate an FPGA. The code works as far as it goes but I need to obtain an estimate of the motion vector from the ref_frame array. Based on the r... 4 May 2010 15:41

how to mark a point in matlab...
someone wrote: esiyok <oesiyok(a)gmail.com> wrote in message <7ca66452-29e5-4e87-88bf-41d6d57a45b0(a)x42g2000vba.googlegroups.com>... hi everyone, i have a graphic and i want to mark some point in this graphic. this is bandwidth vs BER graphic . and i want to mark for example (9,2) point. hold... 20 Apr 2010 14:29

video key frame extraction in Matlab
Ilya Z wrote: Are there any tools written in Matlab that can be used to extract key frames from videos? Thanks! I suggest you try again: Google seems to be working fine today. ... 20 Apr 2010 14:29