Matlab

Help with Matlab plotting.
Hi all, I'm new to matlab. Here I have a question on how to plot a graph on all the edge on the signal. Because of my poor engllish, I trying to depict the problem in the figure as linked below. http://i44.tinypic.com/20folkz.png The top Plotting with blue region is the original plotting. The blue region is actu... 11 May 2010 23:24

estimating 2 parameters, simultaneous odes
I need to estimate 2 parameters. 3 simultaneous odes are given. set of model values given for the dependent variables in ode. ... 11 May 2010 22:19

integral of arbitrary vector y
hi all, i was looking into matlab help and did not find the answer for my question. I have vector y {y1, y2, ..yn} defined on set of points {x1,x2, ..xn} not equally spaced. I would like to calculate integral of y from arbitrary a to arbitrary b. What possibilities I have within matlab to do it ? I see there is ... 12 May 2010 18:05

cell
Hello, I have a variable x, x x(:,:,1) = {1x1 cell} x(:,:,2) = {1x1 cell} x(:,:,3) = {1x1 cell} x(:,:,4) = {1x1 cell} I would like to convert it and assign it to another variable 'data' as follows, data data(:,:,1) = [12x10 double] d... 12 May 2010 04:48

problems in trying ieee 802.15.4 working from msk
Hi, i took a msk code from www.dsplog.com and tried to modify it to test the ieee 802.15.4. There are several links on that site for ieee 802.15.4. Currently I am getting simulated ber results all approximately same for all the cases of Eb_No values. Can you help me to find why? thanks in advance! clear PN = [ ... 11 May 2010 20:07

calling library dll question
Hello, I have been trying to call a dll library that grabs data from an acquisition device. I have managed to load the libraries without any problem into Matlab's workspace, I can see the function definitions from matlab. I started programming but got stuck on one thing which I don't know how to solve. I am ... 12 May 2010 11:21

Problem with GUI to display an image
Hi everybody, Please i am still beginner with Matlab and i have an exam after tomorrow. The exercise is to : create an interface-->Create a button "open a file"-->So when we clic on this button-->a window will appear to choose an image -->then the chosen picture should appear in the same interface. That is it men... 12 May 2010 05:52

Nonlinear least squares
Dear MATLAB User Community! I have a problem with nonlinear least squares fit. I have a series data (xi,yi) i = 1,2,3,...n plot (x, y) xlabel ('distance[m]') ylabel ('level [m]') legend ('profile') and I want to fit it to this equation: F1(x) = -A*(x+xs)^p Three parameters A, p, ... 29 May 2010 07:03

curved cylinder
I am new to matlab an I am facing a problem.I want to design a curved cylinder.The cylinder is made such that we have small circles of changeable radius around a curve.It will be very nice of you.Thanks. ... 20 May 2010 14:59

arithmetic on ROI in scatter plots
I make a scatter plot and then use the tool impoly to define a ROI on the scatter plot. Is there a way to get the mean and stdev of the data in the ROI? ... 11 May 2010 21:13