Matlab

How to set atomic system in Simulink
My simulink block needs data from workspace which is preprocessed in Matlab file . Those reading data should be sampled and pass through at Ts=60sec. How can I set them in the mask. I'm in a hurry ao please give me direct help,please. ... 24 Apr 2010 13:52

Separable (VarPro) Nonlinear Least Squares, LSQCURVEFIT, Jacobians and Confidence Intervals
Dear Matlab User Community, The mathworks has posted a simple example of how to perform separable nonlinear least squares using the LSQCURVEFIT function. http://www.mathworks.com/support/solutions/en/data/1-18E03/index.html?product=OP&solution=1-18E03 This is a good solution, in the sense that it provides a si... 25 Apr 2010 21:12

fmincon
How can i change the constraints after some iterations are over? ... 26 Apr 2010 09:08

RADIUS
Hi all, How to define radius by treating somw origin and check whether white pixel exist within that radius ... 25 Apr 2010 12:08

perfcurve function?? simple
Hi, I am not sure about the function perfcurve in matlab.. the function takes number of input parameters: [X,Y] = perfcurve(labels,scores,posclass); what is the labels? what is the scores? I read all its documentation but can't find the data that i have to use in labels and in scores?? appreciate any ... 25 Apr 2010 13:16

Adding rotated images
Hi there, Say I rotate an image, I, by x degrees and want to add to the same image rotated by y degrees (using imrotate). The corners of the images must not be cropped off, obviously. How do I add the two images without getting, '??? Error using ==> plus, Matrix dimensions must agree.' I know it must have somethi... 24 Apr 2010 16:07

Matrix comparison ...
I have two matrices A and B. Both are of the same size m*m... I want to find the largest sub-matrix common to both the matrices... point is the sub-matrix need not be in the corresponding elements of the two matrices. Suppose n*n is the largest sub-matrix they might occupy different locations in the two matrices.... 24 Apr 2010 12:47

Inserting variable size data from matlab to Excel files
i want to insert a matrix to a excel file from matlab. The problem is i dont know the range of cells to be used beforehand. There are various sized matrixes and i have to give cell ranges for all. If my matrix size is 20X366,it is difficult to calculate the cell range and give it at the prompt. Is there any easier ... 25 Apr 2010 06:35

Optical OFDM
HI.. I want to model (Transmitter , channel and receiver) of optical OFDM in Matlab , can any body help me Does matlab have features (support) to model Transmitter , channel and receiver of optical OFDM. Waiting for your reply. ... 24 Apr 2010 13:52

find centroid of a moving object
hello i am doing project in 'Human activity detection in video'..for this i want to find centroid of object using connected labels so that i can find displacement in consecutive frame means i want to find whether a human is active,walking ,running or inactive.. i have written the following code.. source = avirea... 24 Apr 2010 11:38