Matlab

variables in titles ??
Thanks alot it was a great help, can we do something similar with save as command ...?? I am analyzing data for every month with multiple plots,so, every time I have to change month name in my save option before executing my code.So, is there any way I can set variable for that and just vary that.I will appreciate any... 3 Aug 2010 21:19

Newton Raphson method for chemical equilibrium system
I am trying to solve a system of equations relating to a chemical equilibrium problem in the form or A*x = B, five equations and five unknowns. The A-matrix is 5x5 as is the Jacobian. I have no problem solving the current system; however, when I try to solve for a larger system I start running into problems. I was w... 10 Aug 2010 10:13

OPC "trend" function
The "trend" function in the OPC toolbox works perfectly fine when the real-time data is plotted in a new figure plot (by following exact steps given in help files). But if a gui figure is created using GUIDE and an axes is placed in it, and in the script file the axes handle is passed to the trend function, the code do... 10 Aug 2010 15:48

simulation of energy detection over fading channels
Hi I am working in cyclostationary detection in cognitive radio, I was wondering is any body can help me in this area , I can draw SCF of every signal but I could not calculate Pdetection VS SNR, Is any body here can helo me I don't have enough time. Have good times Mandana "Quan " <alex-hjgc(a)163.com> wrote ... 3 Aug 2010 20:14

Datetick - Matlab 7.4.0.287 R2007a
Hi Im trying to plot data that is store in the Serial Date Number format. Once plotted I would like to change the format to mm/dd HH:MM. The line of code that I'm using reads as follows: datetick('x', 'mm/dd HH:MM', 'keeplimits', 'keepticks'); Unfortunately I get the following error: ??? Error using ==> dat... 4 Aug 2010 20:10

Speed up with integer operations?
Dear NG, I'm measuring color intensity with scanned sheets of paper. Matrix size, memory consumption and computation time is quite considerable. Everything should work within a GUI, so response time should be well below one second. I was trying to speed up computation and save some memory using integer da... 4 Aug 2010 15:47

PCA
can someone please help me with a code to perform principal component analysis the results from a content based image retrieval programme with 11*11*11 hsv histogram values and a dataset of about 1300images. i would to display results from this using pca. as i am fairly new to the feild, my description might be slightl... 3 Aug 2010 18:02

Generate correlation and residue left
Hi, I have huge data set comprising of three vectors say X, Y, Z. The vector 'Z' is non linearly dependent on X,Y. Each vector contains about 10K elements. I wish to obtain the best fit for this data while at the same time trying not to make this fit 'perfect'. By perfect I mean that the data points which are ... 3 Aug 2010 18:02

Accessing dynamic java classpath in Java classes
Hello, I am using Java within a Matlab .m file. Consider the following code snippet: {matlab code} javaaddpath('C:\MyAPI.jar'); frame=com.mypackage.MyGUI(); frame.setVisible(true); {more matlab code} I am adding MyAPI.jar to the classpath using javaaddpath. This adds MyAPI.jar to the dynamic classpath (as... 3 Aug 2010 18:02

How to read grid data
I have a huge txt file with a large 1*n (1 row and many many columns) matrix. It contains grid data of a spatial distribution. Which function should I use to read the data into Matlab? Thanks. ... 3 Aug 2010 18:02