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Subject:


Hello,

I am trying to plot the 2D velocity field in a fluidized bed based on a data obtained through PEPT. I am using the "quiverc" function that I found in the file exchange site. My problem is I would like to plot my field such that the vectors with ne >> more

Original post by Emre Karaoglan
Last post by Emre Karaoglan - 30 Oct 2014

Subject:


Hello every one,

I am having a signal with a fundamental frequency of 20Hz. It has many number of frequency components along with fundamental frequency. It has components of 10Hz, 30Hz, 40Hz, 50Hz, 60Hz and so on. When I did FFT of this signal, I found >> more

Original post by IITG Guwahati
Last post by IITG Guwahati - 30 Oct 2014

Subject:


Hello,

I got this problem while reading this text.


Time Increment (s) : 0.002
Number of Data : 10739
PGA (m/s/s) : 2.5360000E+00
Accelaration time series in m/s/s
-7.8453000E-03-3.9227000E-03-3.9227000E-03-7. >> more

Original post by thuong
Last post by thuong - 30 Oct 2014

Subject:


Hello,

I have a vector that have thousands of entries.

I have also another vector having some inideces.

Without going to details, the following example explaind my problem:

X = [23 36 17 36 87 39 25 87 33 29 59 10 99]’;

g = [ 3 2 5 2 >> more

Original post by MOOON MOOON
Last post by MOOON MOOON - 30 Oct 2014 - 2 replies

Subject:


I have a matrix that i'm using to solve a system of equations [4x4][1x4] with some symbolic values.

eg. Ax = b (where A is 4x4 and x and b are 1x4)

Next I want to take the first and last value of my resulting [1x4] matrix and find the complex conjugate >> more

Original post by Adrian
Last post by Adrian - 30 Oct 2014

Subject:


I have a matrix that i'm using to solve a system of equations [4x4][1x4] with some symbolic values.

eg. Ax = b (where A is 4x4 and x and b are 1x4)

Next I want to take the first and last value of my resulting [1x4] matrix and find the complex conjugate >> more

Original post by Adrian
Last post by Adrian - 30 Oct 2014

Subject:


Hi !

I have 1000 dat. file. These dat. file contains 3 header line and 3 footer line. I want to delete this and again save it as dat. file.

Please give me advise.

Thanks.

Mainul

Original post by Mainul Hoque
Last post by Mainul Hoque - 30 Oct 2014

Subject:


Hi Everyone,

I have a set of data from which I extract a 10 dimensional feature vectors for each observation in the data set. I perform PCA on this feature vector set and project it on to a 2D space defined by the first 2 leading eigenvectors using a sca >> more

Original post by Bhaskar
Last post by Bhaskar - 30 Oct 2014

Subject:


Hello, I am trying to write a function that takes a specified text file of several rows of numbers, and then takes the second variable a positive integer, and divides the numbers of the text file that are divisible by that number by that number, writing a >> more

Original post by Garrett
Last post by Garrett - 30 Oct 2014

Subject:


Hi Everyone,

I'm hoping someone can help me find a better solution to the following problem.

I have 2 profiles of data, each with a depth and a density:

P1 = [1:15; 1 1 1 1 1 2 3 4 5 5 5 5 5 6 7]'; % P1(:,1) = depth P1(:,2)=density
P2 = [0:0.5:15; ones >> more

Original post by Ryan North
Last post by Bruno Luong - 29 Oct 2014 - 3 replies

Subject:


Hi,

I am running a GUI where I continuously update the data of some plots in a figure. Now I have some issue with performance and started profiling the scripts. It turns out that there is a call for legend layout during each "drawnow" command. I have tri >> more

Original post by Fred
Last post by Kirk - 29 Oct 2014 - 1 reply

Subject:


Hi,

sorry I am a beginner with Matlab. I try to create a script in Matlab to solve a Lagrange problem with a few equations, but I can not find a solution.

The number of equations is dynamic for this reason I use a dynamic vector for several equations. >> more

Original post by Moritz
Last post by Moritz - 29 Oct 2014 - 1 reply

Subject:


I am trying to write a code that lists all possible assignments of say n objects in p containers.

For instance, if N={a,b} is the containers set and S={1,2} is the objects, then I want to have:

{ ( {1,2} , { } ) ; ( {1} , {2} ) ; ( {2} , {1} ) ; ( { } , >> more

Original post by Mo
Last post by Steven Lord - 29 Oct 2014 - 2 replies

Subject:


Hi !

I want to combine Integer and Noninteger Data, but I need to keep type of each data, for example:

A = [int32(1000000) single(17.32) uint8(250)]

Matlab ouput will be:
A =

     1000000 17 250

But I need 17.32, not 17.

Any possibi >> more

Original post by edward kabanyas
Last post by Steven Lord - 29 Oct 2014 - 3 replies

Subject:


I'm having trouble playing a sound using audioplayer in a function. If I copy/paste the code from the function and run as a script, it works fine. What am I doing wrong?

TIA,
JWC

Original post by James
Last post by Steven Lord - 29 Oct 2014 - 1 reply

Subject:


Dear MATLAB users,
I have a huge square matrix. I am making a very small example below; the "M" matrix
 
M = 1.0000 0.2000 0.8000 2.5000
    0.2000 1.0000 0.3000 1.5000
    0.8000 0.3000 1.0000 2.1000
I want to delete some row >> more

Original post by Sherin
Last post by Steven Lord - 29 Oct 2014 - 1 reply

Subject:


Hi experts,

I have already inserted a figure in word-document by matlab codes.
But I do not know how to adjust the size of the figure in the word file by matlab codes.
Hope you may help me.

Suppose the variable Figure_ID is the path plus name of the fig >> more

Original post by Lei Wu
Last post by Lei Wu - 29 Oct 2014

Subject:


Hello
I need too

I need MatLab program that makes the transformation of a 2D image into a 1D vector using the term Hilbert peano

thank you

Original post by ehsan
Last post by Steven Lord - 29 Oct 2014 - 1 reply

Subject:


Hello,
I am trying to simulate this transformer in a Simulink model:
http://katalog.we-online.de/pbs/datasheet/750312504.pdf
with Linear Transformer block. I want a 1:1 transformer ratio, but I do not know the exact values of the V1 and V2 or Pn. As I ha >> more

Original post by Nikos
Last post by Nikos - 29 Oct 2014

Subject:


Has anyone tried the (relatively new) Basler ACE USB3 cameras with the Image Acquisition toolbox? I recieved the message below from Mathworks. It suggests that it might be possible, but obviously I would like to know for certain before shelling out on a >> more

Original post by Raymond
Last post by Raymond - 29 Oct 2014

Subject:


Hi all,
I have a <1x10> cell. Every cell contains <10x10x50> array.
I want to combine all these data into a single array in sequence with result as <10x10x500> so that array contains cell{1}cell{2}. . . .cell{10} all merged in proper sequence.
Please help >> more

Original post by Nam
Last post by Nam - 29 Oct 2014

Subject:


Dear all,

I have written and used the following code under MATLAB ver 7.3 without any problem but it does not work correctly under ver 7.10;

Numerator = ones(1,24);
Denominator = zeros(1,24);
Denominator(1,1) =24;
Averager_TF_z = tf([Numerator],[Denomin >> more

Original post by Alex Thiele
Last post by Ottmar Beucher - 29 Oct 2014 - 6 replies

Subject:


HI,
I want to implement in a mfile a RC digital low-pass filter. I use the function "filter". I don't understand why I the cutoff frequency Fc, I don't have an attenuation of -3dB. Below is my matlab code. I use two input frequencies f1 and f2. f1 is a lo >> more

Original post by Gael
Last post by Gael - 29 Oct 2014 - 1 reply

Subject:


Hi,
    i am using LBP and LTP in my project i want clarrification on these parameters,

i have an input images ,i apply the LBP and LTP on that images, calculate the following GLCM parameters on the images,

energy
homogeneity
correlation

i got the diff >> more

Original post by VIVEK
Last post by VIVEK - 29 Oct 2014

Subject:


I've been working on building a nearfield, broadband beamformer or direction of arrival estimator, so I just got a trial of the Phased Array toolbox. I need to be able to find both the direction of arrival, and approximate distance from the source. After >> more

Original post by Eric Roots
Last post by Eric Roots - 29 Oct 2014 - 2 replies

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