Matlab

creating a matrix from an existing matrix
Hello, I want to know the method of creating a matrix from an existing matrix depending on certain specifications made by the user. for example, assume we have the matrix: x=[2 3 5 9 2 3 6 8 1 0 6 9] I want to create a new matrix that takes only the two elements then ignore the third one an... 12 May 2010 23:38

Getting a GUI to work with simulink
Despite the large amount of tutorial material, I have been unsuccessful in doing something very simple. I have a simulink model with a single stateflow chart with an event , triggered by either, input from simulink on port 1 and a constant block called 'On'with value 1 connected to that port. I built a GUI with a... 12 May 2010 12:28

addtodate bug?
I don't see why the output of this code should change as shown below. clc dv_cur = [ 2010 5 12 7 30 0]; dt_cur = datenum(dv_cur); dv_end = [ 2010 5 12 15 15 0]; dt_end = datenum(dv_end); while (dt_cur < dt_end) fprintf('current datetime is %s\n', datestr(dt_cur)); dt_cur = addtodate(dt_cur... 13 May 2010 09:21

image region border features
Suppose I have a image with two objects. My job is to find out whether the border of the objects are regular in shape or irregular. I mean to say are there any kind of peaks and valley like structures on the border or not. Suppose we take a coin the border surface is smooth and regular. But if we take say circular blad... 24 May 2010 15:41

Need K-Means Code for image segmentation
help, i need matlab code for image segmentation using k-means algorithm can anyone help me ... 14 May 2010 11:41

coordinates
Hello, I have 2 images, and I want to compare one with another. On one (binary) I would like to find the pixels which are equal to 1, map them on the normal image, find those with intensities less than 90, and delete those corresponding coordinates on the binary again. So far, I have done the following: i... 13 May 2010 09:21

dSpace micro autobox RTW run multiple models
Hello, is it possible to run more than one Simulink model on a dSpace Micro Autobox? I would like to run one Simulink model, save variables to workspace, then start the next simulation model and use the variables of the first simulation. Is that possible? ... 12 May 2010 11:21

How to assign a variable name to a structure?
Hello, I have some problems assigning a variable string to the name of a structure: name = 'fileName1'; fileName1.a = A1; fileName1.b = B1; name = 'fileName2'; fileName2.a = A2; ect.. After reading the manual I managed to assign the name to a variable using GENVARNAME and EVAL, but only for: fileNa... 12 May 2010 13:35

three max values of a signal
How can i calculate the first three maximum values of a signal using the max fuction? thanks for your help! ... 15 May 2010 14:48

Splitting audio into frames
Hi there, i am quite new for matlab enviroment, i trying to split audio file (wav) into frames, can someone fill me with code, i want to split it into frames which size is sample number. thank in advance. waiting for answers. also it's quite urgent. Juozas ... 12 May 2010 13:35