Matlab

Result in Matlab:_Z mean?
I writed this code in Matlab.I don't know why results have '_Z'.I have never seen them before. syms m1 m2 c a l ; g=10; M=[m1+m2 m2*l 0 0 0 0;0 0 m1+m2 m2*l 0 0;0 0 0 0 m1+m2 m2*l; 1 l 0 0 0 0;0 0 1 l 0 0;0 0 0 0 1 l ] K=[2*c 0 -c 0 0 0;-c 0 2*c 0 -c 0;0 0 -c 0 c 0; 0 g 0 0 0 0;0 0 0 g 0 0;0 0 0 0 0 g] A=inv(M)... 2 Feb 2010 15:17

C mex file segmentation fault
Hello, I am using a C mex file to use a C program which extract data from a file and write it in .txt file. This .txt file is then used with dlmread to get data in matrix. I can use my function one time, but the next call to it or a simply command like "clear all" cause a segmentation fault and Matlab ending. I t... 2 Feb 2010 15:17

Selecting cells in uitable
"Brian Cody" <bcody(a)mathworks.com> wrote in message <fqs4vq$5vr$1(a)fred.mathworks.com>... Hi Robert, If you would like to know which cells are currently selected, you can connect a CellSelectionCallback to the uitable. When the CellSelectionCallback is fired, it will be called with an event data s... 28 Jan 2010 05:19

Use Matlab Functions in C Sfunction
Hi there, i have to write a s-function where a matrix inversion has to be calculated. Instead of writing my own Gauss algorithm I would like to a MATLAB function like inv. Is this possible? Best regards, Andi ... 28 Jan 2010 05:19

I need some help with RS232 and MATLAB
Hi. I am trying to read data from a laser sensor and send G_Code to a CNC at the sane time. I used Real Time Windows Target for reading data throug an ADVANTECH PCI card, and used an m-file to create an RS232 object. This m-file leads both operations. It worked perfectly for a bout 20 lines of G-Code and then ... 28 Jan 2010 03:09

Problem with xlsread
Hi, I have a problem with xlsread function,when I was reading a large data Array from the excel sheet. In my Excel sheet I has a data of size 990X162. I was trying to read this data through xlsread function and store it in to a variable X.But xlsread command is just copying 23X162 of the size in to X. I have used ... 28 Jan 2010 04:13

Random process for WSS
How do we check a random process for wide sense stationarity? Can I have the MATLAB code for doing so? Regards, ... 18 Feb 2010 09:26

Weiner Khinchine Relations
I need to write a MATLAB program for verification of Weiner Khinchine Relations. Can some one tell me where to get more info on this topic and also pass on the MATLAB code for doing so? Thanks... ... 28 Jan 2010 03:09

How to setup the optimization
Hello, I have a measured force signal obtained from input of a displacement signal to a spring on a testrig. Now : Force = stiffness * displacement signal + offset value. I know the offset value and need to get the stiffness from the above equation. I intend to set it up as a optmization problem. The obje... 28 Jan 2010 02:04

Image Compression in Face Recognition
Hi, Can anybody send me the matlab code for extracting facial features using DWT coefficients (CDF 9/7 wavelet) from PCA Thank you Menila ... 27 Jan 2010 23:54