MATLAB Programming

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MATLAB is a numerical computing environment and proprietary fourth-generation programming language. MATLAB allows matrix manipulations, plotting of functions and data, implementation of algorithms, creation of user interfaces, and interfacing with programs written in other languages, including C, C++, Java, Fortran and Python. Although MATLAB is intended primarily for numerical computing, an optional toolbox uses the MuPAD symbolic engine, allowing access to symbolic computing capabilities. An additional package, Simulink, adds graphical multi-domain simulation and model-based design for dynamic and embedded systems.

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Hi
I am working on ECG analysis using matlab. I have downloaded the tool called Biosig(http://biosig.sourceforge.net/index.html). It has a many tools for feature extraction, etc. I followed the instr…

13146 views
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Let's say I already have a function like this
(CODE)
Given that function I want to solve this ODE. (the RHS comes from that function)
(CODE)
However I don't want to update the second bit of code e…

125 views

As an example I could type this to solve an equation analytically
(CODE)
I would like to evaluate this result numerically eg typing f(2) and the previous result (2*exp(-x^2/2)) would evaluated at 2 …

124 views

I wish to simulate the motion of a drunken sailor. Imagine a very inebriated sailor standing on the edge of a pier. The pier is X paces long and 2Y paces wide. His ship is at the end of the pier. He i…

21,646 views

I have created what seems to be a random 'number' generater in MATLAB that creates a 15 digit number each time it runs.  Each digit of the 15 digit number has a possible 28 different characters (0, 1,…

18628 views

On a Lenovo ThinkPad with Windows 7  Professional, I send and receive UDP packets with Matlab using a program called judp.m that I downloaded here: http://www.mathworks.com/matlabcentral/fileexchange/…

42,091 views

I'm writing a mobile robotics application in C/C++ in Ubuntu and, at the moment, I'm using a laser sensor to scan the environment and detect collisions with objects when the robot moves.

This laser h…

13528 views

Hello, I'm quite new to matlab....I am using the som toolbox and by default only .dat datasets are read by the toolbox.....there have been certain tweaks to the code that allow the passage of both .da…

2971 views

Hello, I have the following data points:

5      1000      0.11
5      8000      0.64
11      27000      1.54
13      27000      1.68
15      27000      1.71
25      64000      2.61
30      64000      2.75
35      64000      2.71
49      125000      3.82
59      125000      3.92
69      125000      3.95
85      21…

41,120 views

Hi
I have two tables in Matlab.  table 'meta' has the metadata of all my individual rainfall stations.  in this table col 1 has the stations ID, col 2 has longitude and col 3 has latitude.  this table…

1103 views
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Hi all,

I have a MATLAB programme which works perfectly fine and plays a sound with attached code. However, I would like to be able to run this programme three times, in three different MATLAB instan…

31,034 views

Running Windows 7 64-bit and trying to install MatLab.  That in turn tries to install C++ 2005 redistribution (x64).

Produces the following error:
Product: Microsoft Visual C++ 2005 Redistributable …

153,942 views

Is there anyone who worked on Self-organising map (SOM) with matlab? I am looking for sites where i can get databases or data sets for the following microarray data  ALL-AML_Leukemia[Go199], DLBCL[Ali…

26648 views

im in desperate need of help!  i need to know how to do gray coding and how to extract points from stripes that is projected on an object.  i have a projector that projects vertical stripes on a stati…

4797 views

a MATLAB function polyn( a,x ) that accepts two arguments. The first is a vector of polynomial coefficients, ai such that a1 is the coefficient of the highest power of x in the polynomial
p(x)=a1xn-1 …

6706 views

Hi all,

I have an adjacency matrix which at the moment I am then drawing a graph, with nodes and edges, in a pencil--this is laborious. Anyone know how to do this in Octave (or MATLAB)? Hopefully som…

3529 views

Hello there,
writen below  matlab code for 16-QAM/16-PSK over AWGN channel with non-linearity (AM/AM and AM/PM
conversions). I tried to optmize the code by adding SQRT raised cosine filtter to minimiz…

3471 views

We are trying to use a native 64bit application called Matlab to export data to MS Access.
We are using Office Pro 2003 32 bit (upgrading MS Office is not an option)

The 64bit application can only se…

9706 views

Hi

I want to solve for k in the following equation using matlab but have no clue how it can be done. i need help

all the variables are known except k and beta is a vector
sum is summation n = 1 to 1…

6739 views
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We are using web services hosted on IIS 7.5 to run a Matlab Compiler Runtime (MCR) application.

This is a resource intensive process so we need to be able to potentially run mulitple MCRs at the same…

2637 views

Hey-- I have an Excel workbook containing macros that needs to be opened and run automatically with a Matlab EXE file. I have the VBA macros in an Auto_Open sub so that they are run immediately upon t…

3946 views

The determinant of a 3X3 matrixis
¿g h i¿ ¿¿
det( A) = aei + bfg + cdh - afh - bdi - ceg
¿a b c¿ A=¿d e f¿
¿¿
Think of this as being the sum of the products of each of the three elements in the three …

41,158 views

How can I write a function that would compute an inputed string like 'five times (four plus seven)'? I want it to recognize that five=5, four=4, and seven=7 and compute the operations as matlab normal…

7155 views

Hi!

Need some tips (Best Practice) how to insert arrays into a database?

Each array is around 50 values, and about 300 records (arrays) / day.

The data needs to be easy accessed by matlab and other…

14255 views

Hi
I have a set of geotif images and a set of points with lat, lon information.  I need to extract the value of each image for every lat, lon.  I could do this in arcgis but I need to include it in th…

8733 views
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