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Subject:


Hi all,

I am trying to add a title to my graph's legend, is this
possible? I have tried a few alternatives and it seems like
this is not supported, the easiest way seems to add a
textlabel at the top of the legend and pin it to the graph.
I figured th >> more

Original post by Karl Trumstedt


Last post by Yair Altman - 28 Mar 2015 - 4 replies

Subject:


hi every one;
i would like to ask how can i synchronize frames with preambles and frequency offset for a binary sequence ...i hope help me soon

Original post by ali hammood


Last post by ali hammood - 28 Mar 2015

Subject:


numHiddenNeurons = 20;
net = newfit(inputs,targets,numHiddenNeurons);
net.divideParam.trainRatio = 70/100;
net.divideParam.valRatio = 15/100;
net.divideParam.testRatio = 15/100;

[net] = train(net, inputs, targets);
 
is this code is useful for classifica >> more

Original post by asitha B Raj


Last post by asitha B Raj - 28 Mar 2015

Subject:


for A= [1,2,3, NaN, 4; 5, 6,NaN, 7,8; 9,NaN, 10, 11, 12].
How can I
1. find the column number of NaNs
Like
C = 2,3,4 (are the columns containing NaNs)
2. make a new array B of columns having NaNs only
Like
 B =

     2 3 NaN 4
    13 NaN >> more

Original post by Muhammad Sadiq Khan


Last post by dpb - 28 Mar 2015 - 1 reply

Subject:


matlab inverse value and in c gsl inverse values are not same when i am giving large values


#include <stdio.h>
#include<math.h>
#include<stdlib.h>
#include<dirent.h>
#include<string.h>
#include <gsl/gsl_linalg.h>
#include <gsl/gsl_matrix.h>
#include >> more

Original post by gyandeep mandal


Last post by gyandeep mandal - 28 Mar 2015

Subject:


Hello all,

I have a serious problem in my simulation when I try to connect two different blocks (bluetooth and Wifi 802.11b block) but I have an error message saying continuous sample time not allowed. However I use all the time discrete sample time. I c >> more

Original post by Caros A


Last post by Caros A - 28 Mar 2015

Subject:


Is it possible to plot an object in MATLAB that will act as if it is affected by a force that looks something like:

F(q)=e(q)*(x*ax+ (y-5)*ay)

ax - represents a unitary vector in the direction x axis
ay- represents a unitaray vector in the directon of y >> more

Original post by Tomo Tomo


Last post by Tomo Tomo - 28 Mar 2015

Subject:


Hi, a question from a newbie.

I want to sum matrix elements with greater than 2 (>2) and less than 8 (<8) in this matrix
Matrix a = [1 2 3; 4 5 6; 7 8 10]

Any help appreciated
Thank you very much!

Original post by yzfmonster


Last post by yzfmonster - 28 Mar 2015

Subject:


I am using matlab 2012a version. i am doing project on "comparison of image processing filters for denosing speckle noise in SAR image".

In this work i compared all the image processing filters and wavelet families to show which one is best for denoising >> more

Original post by Vasumathi Ganesh


Last post by Vasumathi Ganesh - 28 Mar 2015

Subject:


I just upgraded from 2009a (7.8) to 2009b (7.9), and I ran a simple code to see if upgrade works fine. I have an error for a simple command like rows(x) and cols(x), where x is (nxk) matrix. These commands work fine with 2009a version, but now I have an e >> more

Original post by Byung-Joo


Last post by waqar somra - 28 Mar 2015 - 6 replies

Subject:


Could someone please help me with this:

t=1:1:200
v1=1+0.5*t
v2=1-0.2*t
vs=v1
vs(v1>60)=v2(v1>60)
plot(t,vs)

I was trying to plot the speed vs time of an object. it accelerates at 0.5 m/s2, if speed is over 60, it slows down at 0.2.

My problem is that >> more

Original post by Mu Li


Last post by someone - 28 Mar 2015 - 1 reply

Subject:


I want take a wav file as input and give an array which contains values of samples of the audio signal as output according to the sampling frequency. and the values are all between 0-255 for 8bit output. The output should contain all the sampling numbers >> more

Original post by Meshal Alawwad


Last post by Bilgehan paray - 28 Mar 2015 - 1 reply

Subject:


Hi,

We have a working MEX solution to interface our instrument with MATLAB. We have to use polling to look for the arrival of new data, as MATLAB does not support the hooking of Windows messages.
To improve performance, I would like to use a callback fun >> more

Original post by Matt Claessen


Last post by James Tursa - 27 Mar 2015 - 5 replies

Subject:


I am programming via Simulink a Smart Grid system. I'm using a model of battery whose output is inverted to AC to supply a part of load on the grid. The grid model requires a PHASOR power gui block, But this gives an error that the rectifier block can't f >> more

Original post by Shivam


Last post by Venkatesh Yadav - 27 Mar 2015 - 1 reply

Subject:


We have a High pass filter, low pass filter and an inverting amp (all in op amps) cascaded to form a passband filter.

"Create a function that outputs the magnitude and phase of the filter transfer function. The input parameters should be component value >> more

Original post by txtx


Last post by acotton - 27 Mar 2015 - 1 reply

Subject:



Hi,

Is it possible to connect GAMS and Matlab? I have a NLP
coded in GAMS. I have a "call function (Matlab jargon)"
written in Matlab. The Matlab function which I have written
consists of conditional statements. I need to use this call
function in GAMS >> more

Original post by Omkar Palsule-Desai


Last post by Vitali Avagyan - 27 Mar 2015 - 2 replies

Subject:


If we have a system of linear equations like this:

S2 - S1 + S3 == 0
- S1 - S2 - S3 == 0
S1 - S2 - S3 == 0

How can we make MatLab give the solution?

As you can calculate for yourself, the solution will be parametric. In this case the solution will be: >> more

Original post by Zod God


Last post by Zod God - 27 Mar 2015

Subject:


Hi everybody!
I need to plot an implicitly defined function, which is Matlab function. Result and arguments of this function are scalars, not vectors. So I have to write V-matrix (3D) for isosurface function (I do it using three cycles - element by elemen >> more

Original post by Sergey Gordienko


Last post by Sergey Gordienko - 27 Mar 2015

Subject:


CDMA make help please

Original post by Dursun Emre KALPAK


Last post by Dursun Emre KALPAK - 27 Mar 2015

Subject:


hii plz help me i need code can show the result

x (n) = 15 if n > 9 , 5 if n between 0 and 9 , 2 if n < 0

using single for statement and single if statement

Original post by haya


Last post by James Tursa - 27 Mar 2015 - 1 reply

Subject:


EE432 Term Project- Performance Evaluation of muti-user DS-SS techniques under AWGN
1) Write and run Matlab Code to model the following system
a. Generate random data with adjustable length (+,-,1)
b. Gerenerate length-64 Walsh Codes.
c. Gerenate user cod >> more

Original post by Dursun Emre KALPAK


Last post by Dursun Emre KALPAK - 27 Mar 2015

Subject:


EE432 Term Project- Performance Evaluation of muti-user DS-SS techniques under AWGN
1) Write and run Matlab Code to model the following system
a. Generate random data with adjustable length (+,-,1)
b. Gerenerate length-64 Walsh Codes.
c. Gerenate user cod >> more

Original post by Dursun Emre KALPAK


Last post by Dursun Emre KALPAK - 27 Mar 2015

Subject:


Hi all,
i was trying to understand the GIST descriptors by reading the paper and the code posted at this link: http://people.csail.mit.edu/torralba/code/spatialenvelope/
Looking at the implementation of the matlab code, i'm having trouble figuring out how >> more

Original post by Davide


Last post by Davide - 27 Mar 2015

Subject:


hi i have a problem i have a matrix in matlab which
 is

b1=rand(20,10)*10;

this gives me 200 random number in a 20x10 matrix i need to calculate the eigen values and vectors for this i have tried doing

eig(b1);

but it says b1 must be a square what >> more

Original post by zamire ali


Last post by John D'Errico - 27 Mar 2015 - 2 replies

Subject:


Hello, people, I am desperate. I have a system of ODE.
In simple case it is just an oscillator, in harder case it is oscillator with attenuation.
The hardest case is the force that must bring opposite effect to attenuation.
So, my system is in file paral >> more

Original post by Ievgenii


Last post by Ievgenii - 27 Mar 2015

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