Matlab

iteration
hi guys, i would appreciate a little help. I am trying to solve some linear equation. I am using the newton raphson method. my question is how can i create a loop that returns the values of the first iteration and reuses it in the next iteration procedure. thanks in advance ... 17 Feb 2010 06:39

Resizefcn - old size
When using a function set as a figure's ResizeFCN function, is there a way to retrieve the figure's size before it was resized? Also, is there a way to determine if the function was called because the figure was being resized or because it was being created? ... 17 Feb 2010 06:39

cosine angle between vectors
hi I need a cosine angle between vectors in the range [0,1]. here my vector is of 20,000 tuples. sholud i need to normalize it????? i know that theta=acos(dot(a,b))/norm(a)*norm(b) please tell me .. how to find it.... my aim is to measure the correlation between them... ... 17 Feb 2010 07:44

how can i test the "Encoder Input" from Real-Time Windows Target?
hi, i am a student. i am working for a project to measure the motor position using Matlab Real-Time Windows Target. First i should test the "Encoder Input" from Real-Time Windows Target. i got 2 signalgenerator, my NI-PCI 6221 card and oscilloscope. How can i use them to build a Real-Time model with the block "Encode... 17 Feb 2010 05:34

GA
Hi When i am using GA in GA toolbox for optimizing keeping only lower and upper bounds for the variables it is executing fast. But when i am using non linear constraint it drastically slows down,despite the options being kept at default and tolerance being reduced to 1e-4. Is there any method to execute GA at faster... 17 Feb 2010 05:34

Link between AODV and CSMA/CA
Hello I'm working in MAC protocol, even I simulated many access mechanism (CSMA/CA Basic, CSMA/CA w/ RTS/CTS, MACA, MACAW, & FAMA) using matlab. Now is AODV routing working as broadcast routing, if so, CSMA/CA w/ RTS/CTS ia aplicable to your work. u have to generate a source node (sink) & destination node w/c the dat... 17 Feb 2010 05:34

color of the image compression
hi all, i have used the following program that made image compression for color images and it works good but the problem of the color of the original and the compressed image output is not as the input image. can any body explain to me why and how can we made ro obtain the same color AS OF THE input image? what ch... 17 Feb 2010 04:28

Please help with period
Please help, I'm making GUI for math class in high school. I have edit box in which user enters function like (x^2,sin(x),sin(x^2)). I have to calculate period of function if the function is periodic and display result in GUI. Please help Jelena ... 17 Feb 2010 04:28

Raw image processing
Hi Is it possible to apply image processing algorithms of matlab to raw images(.raw files).. I have tried to apply image processing algorithms to raw x-ray image of uint16, 3000*3000 size... But i am not getting the results... can anyone help me.. Thanks ... 17 Feb 2010 06:39

Changing the intensity range of the image
Hi to everyone, I am having a raw x-ray image of uint16 class. the max and min intensity values are 22905 and 11 respectively. when i am viewing this image in 0 to 1000 range(using imshow(image,[0 1000])), i am getting a better view.. now, how do i set the intensity values to this image and to create a copy of this ... 17 Feb 2010 03:23