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Subject: abstract class
Hello,

I wish to do a trick with abstract classes an inheritance. I create an
abstract class:

classdef compare
     methods (Abstract)
         lt(a,b)
         eq(a,b)
     end
      methods
         function r=ne(a,b)
             r=~eq(a,b); >> more

Original post by pp
Last post by pp - 23 Nov 2009 - 2 replies

Subject: wound rotor induction generator modelling
Dear All,
i am working a on project that requires me to model a wound rotor induction generator on Matlab Simulink ? software. it is required to use Simulink ? software to model the motor/generator and its operation using a 3-phase PWM inverter. i have d >> more

Original post by simione civoniceva
Last post by simione civoniceva - 23 Nov 2009

Subject: Plotting percentage of data points in within a given range
I have a set of data where each patient gets a row and each column is a measurement at a certain time. I'm wondering if there's function that will allow me to plot the percentage of patients whose measurement is within a given ratio of a specified basel >> more

Original post by Sean Takai
Last post by Sean Takai - 23 Nov 2009 - 2 replies

Subject: circulant matrix project
i need to implement a matlab function

function [a y] = project12(a1,x)

a1 and x are vectors of the same length.the function returns a circulant matrix a with a1 as its first row and the vector y=x(I+ax'xa^-1)^-1. for example:

>>a1 = [ 1 4 2 8];
>>x=[1 >> more

Original post by Matthew
Last post by Matthew - 23 Nov 2009 - 2 replies

Subject: How to get the name of the caller?
Hi,

I try to get the name of the caller function from the callee's side. Is it possible to do that in Matlab?

For instance:
function = funF()
myCall()
end

and then myCall prints out 'funF'.

Best,
M.M.

Original post by Mateusz
Last post by Jeff - 23 Nov 2009 - 2 replies

Subject: Plotting uniform flow function
Given a streamline function to plot (for uniform flow), I am wondering how I would go about inputting the function.

I have set up two integers, 'x' and 'y', but not sure how to define the streamline.

New at matlab, any help would be greatly appreciated. >> more

Original post by Davorin
Last post by TideMan - 23 Nov 2009 - 1 reply

Subject: Re: MATLAB SOURCE CODE FOR JPEG2000
On 14 May 04 22:58:41 -0400 (EDT),
i want ur source code
plz send it to me.

Original post by itradha3829@yahoo.com (radhakrishnan)
Last post by Radhika Senjaliya - 23 Nov 2009 - 48 replies

Subject: run time measurement
thanks for the reply.
i do not need any conversion, because the displayed t value is 0.0000000sec. the conversion would give again 0. Is it possile to set the time in nano or microseconds (while using tic, toc)

Original post by Puvaneswari
Last post by Puvaneswari - 23 Nov 2009

Subject: Anonymous, recursive, functions
Can I create an anonymous, recursive, function?

Here's the function I have now:

function a=HW8Q1(An, i)
    if i==0
        a=0;
    else
        a=i*An(An, i-1) + 2*factorial(i);
    end
end

But this is too simple to make a whole function from and I d >> more

Original post by Jeff
Last post by Jeff - 23 Nov 2009

Subject: Face recognition technique for newbie
Hello there,

Hello I am starting a project on face recognition (yeah!!), but the problem is I am in very early stages also a newbie when it comes to matlab. I do not have a strong maths background know that matlab is the best language to use to implemen >> more

Original post by David Miller
Last post by ImageAnalyst - 23 Nov 2009 - 2 replies

Subject: Plotting a region
Hi all,

Can someone teach me how to plot a map from 25S to 25N by 180W to 180E with interval of 30?

Thanks much,
Alan

Original post by Alan
Last post by Alan - 23 Nov 2009

Subject: Showing Image In Its Original Size - Using Image Command Only
Hello.
I was wondering, how can I show an image in it original size (Pixel in the image means pixel on screen) using only "Image" command.

For simplicity for whoever wanna suggest a code, let's assume the image is 256 on 256 gray, 8 bit.

Thanks.

Original post by Royi Avital
Last post by ImageAnalyst - 23 Nov 2009 - 5 replies

Subject: distribution of random points on sphere surface
hi everyone,

could anyone help me out for sorting this problem.im newbie to this matlab.i generated a sphere with cartesian co-ordinates and then i used 'scatter3' to display as points of sphere. i want to display some more points on the east and west si >> more

Original post by ennesai s
Last post by ImageAnalyst - 23 Nov 2009 - 1 reply

Subject: Fast way to blur a matrix?
I start with a image. It?s divided into blocks. I calculate the average of each block. In another matrix each block of the same area and position is filled with the value of the average.
So i get a matrix comprised of blocks, with the same value within a >> more

Original post by Ironic Prata
Last post by ImageAnalyst - 23 Nov 2009 - 5 replies

Subject: read array of images from a folder
hi all,
plz help me to find, how to read 20 images from a folder and compare an image from the folder with all other in that same folder.

Original post by ennesai s
Last post by Mark Hayworth - 23 Nov 2009 - 2 replies

Original post by Mateusz
Last post by ImageAnalyst - 23 Nov 2009 - 1 reply

Subject: ode45 changes solution with units of measuremetns
Hi everyone!

I've got a strange problem with ode45. My task is rather simple: there is equations of motion of particle in the galactic gravitational potential, which must be integrated over timespan of 4.5 Gyr. When I change units of measurements for any >> more

Original post by Evgeny Volkov
Last post by Evgeny Volkov - 23 Nov 2009

Subject: Simulink accelerator problem
My simulink model runs fine in normal mode. In Accelerator mode I get the following error messages, which I find not very helpful. I have two compilers installed on my windows vista 64 bit machine as shown below and I get different errors depending which >> more

Original post by Christoph
Last post by Christoph - 23 Nov 2009

Subject: 3d plot for an mxn matrix, different x, y indices
I have an m x n matrix where the m denotes values obtained at different angles from 0 to 350, and n denotes the values obtained at different frequencies ranging from 20Khz to 20Hz. I am successfully able to plot the matrix in 3d using surf. But my x-axis >> more

Original post by Krithika
Last post by Krithika - 23 Nov 2009

Subject: I need an answer
hi every body,
i posted a message on 19 november ( last week) but i did not receive any answer. I still waiting for your answers
thank you

Original post by sassou
Last post by sassou - 22 Nov 2009 - 3 replies

Subject: MATLAB on MacBook Pro under Ubuntu
MATLAB on MacBook Pro under Ubuntu

I just bought a MacBook Pro running OS X 10.6 and have installed Ubuntu 9.10 under Parallels Desktop 5 in order to run MATLAB 2009b efficiently. MATLAB runs too slowly on the MacBook Pro under OS X 10.6, in fact no fas >> more

Original post by Kevin Johnson
Last post by Kevin Johnson - 22 Nov 2009 - 1 reply

Subject: plotting ploblem
i am trying to make a excel add-in which draws 3 vector graph.

specifically, i am trying to plot the second and lthird series against the first.

so, x vs y1, y2

i works find when i try in the matlab environment;

plot(x,y1); hold all;plot(x,y2); hold >> more

Original post by Deock-Hee
Last post by TideMan - 22 Nov 2009 - 2 replies

Subject: different result from running matlab from command prompt
hi.
I'm trying to run matlab from command prompt, but for some strange reason matlab gives me a slightly different result compared to running the same thing from matlab desktop.

i'm using this line to run:
matlab nosplash -wait -nodesktop -r runtestUser >> more

Original post by Tamas
Last post by TideMan - 22 Nov 2009 - 1 reply

Subject: shading faceted for imagesc
Hi,

This is a simple question. But I'm not sure this can be easily done in
Matlab. Essentially I want imagesc to behave like pcolor in terms of
shading mode, namely, to have facet lines across the figure.

Thanks,
David

Original post by David Wang
Last post by Farshid - 22 Nov 2009 - 1 reply

Subject: Phase trajectory problem. Need some tips.
Hi.

For a couple of days I'm trying to solve the problem with my task.
I must write a script, which will draw a family of phase trajectory (x1 - x2) of nonlinear dynamic system described by differential equation:

x1' = x2
x2' = -(1/T)*x2 - (K/T)*sign(B >> more

Original post by markf Felskow
Last post by TideMan - 22 Nov 2009 - 1 reply

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