Matlab

Cftool
Hi All, I am new here and in fact this is my first thread. I was wondering if anyone ever tried to use cftool for an implicit function. Here is the form of the functin I am trying to fit my data with y=a-b*(exp(c*(d*x+y))-1)-(d*x+y) Thanks, Sia ... 15 Feb 2010 17:45

image enhancement
Hi everyone, I have converted an rgb image to gray scale and then applied adaphisteq to enhance its' contrast. Now I want to get the R,G,B components of this image. Is it possible b/c now that we have converted it to gray scale and enhanced it? ... 17 Feb 2010 00:09

from string to mat
I have a string that contains a numerical matrix, in which between two rows there are a delimiter and between tow columns there are another delimiter. Is it possible to convert that matrix in numerical matrix giving the delimiter between rows and columns? ... 15 Feb 2010 17:45

Working with more decimals while using fzero
Hello. Im using fzero to find a zero of a function wich is very large in nature. My problem is that if I use the following [x, feval] = fzero(@(x) f(x,L),[x0 x1]) then feval is big (in the order of 1e01), and no matter what options I choose, is always the same number. I've also tried to use a secant method, ... 15 Feb 2010 15:28

Fortran mex setup with Matlab R2009a
Did you have any luck with this? If so, what did you do? I'm having the same problem. ... 15 Feb 2010 20:01

Matlab engine - open interactively?
Matlab 2009b Hi, I'd like to use Matlab's engine capabilties from C to send data to Matlab for interactive visualization and manipulation. 1) Windows: I know in Windows I can run Matlab with the /Automation switch and I get the engine to attach to the existing matlab process, a matlab console window that work... 15 Feb 2010 15:28

Multiple simulation data in simout
Hello, I have simpowersystem model, I change parameter and store data in simout block. Simout "limit data points to last" value is set to 1, save format- array because I have static data and I need to store it. I run multiple simulations but the data is stored in the same first row of simout. Each simulation erase p... 17 Feb 2010 00:08

compiler error when running stateflow model
Here is the error: ----------------------- Unable to locate 'mexopts.bat', and therefore cannot determine which compiler to use for simulation builds. Use 'mex -setup' to select a supported compiler. ------------------------ i tried to run mex -setup command and this is what i got: ---------------------------... 17 Feb 2010 00:08

Creating my own tie break rule for KNN
Hi this is my first post. I am currently in my third year of studies and thought that I would learn to use matLab as it seems like a useful tool to have under the belt so to speak. I am attempting to carry out online prediction using experts, but am having slight difficulty with the multi-point tie-break situation that... 15 Feb 2010 15:27

symbolic simplification with nested function
Say I have symbolic variables declared like this syms a b; and some functions declared like this foo = inline('r - s + 10', 'r', 's'); bar = inline('t + u + 20', 't', 'u'); I want to be to do something like simplify(foo(a, bar(a, b))) and get the result -b - 10 What's the easiest way to ... 15 Feb 2010 14:19