Answered
Noisy line plot appears much noisier when saved as eps/pdf
you are not 'saving' to .eps or .pdf you are printing it. No paper, yes, but you are making the signal visually available w...

10 years ago | 0

Answered
inverse Fourier transform of a signal
Shan try the following: 1.- don't care about the file extension: A=csvread('s11.s2p',9,0) or A=csvread('s11....

10 years ago | 0

Answered
How to modify the voice in an audio?
Barragán sigue estos pasos con sumo detalle: 1.- dale un vistazo al ejemplo 'Pitch Shifting and Time Dilation Using a Phas...

10 years ago | 0

| accepted

Answered
Tree state space equation
hawk your system is xdot=A*x+B1*x+B2*u y=C2*x+D11*w+D12*u z=C1*x+D11*w+D12*u when you apply A, B1, ...

10 years ago | 0

| accepted

Answered
RCOND results may be inaccurate
Hi have you defined a function called polyfitn? if so please make it available here or it's just you don't want to use po...

10 years ago | 0

Answered
How to realzie iczt use Matlab?
Wei perhaps the following helps, attempt to compare fft and czt: Fs = 100e6; % Sampling frequency fSz = 5000; % Fra...

10 years ago | 0

Answered
How to realzie iczt use Matlab?
Hi Wei try applying twice *czt*, for instance: t=[0:.1:10] f0=.2 x = sin(2*pi*f0*t) Xcz = czt(x) x2=-czt(Xcz...

10 years ago | 2

| accepted

Answered
modulation method for mobile ad-hoc network(Manet)
Each un vistazo a: <http://uk.mathworks.com/matlabcentral/fileexchange/41539-tdma-basd-manet?s_tid=srchtitle> si esta resp...

10 years ago | 0

| accepted

Answered
How to transform a matrix in Matlab?
Hi Mohammad MATLAB has the command *linsolve* to solve linear equation systems of the type A*x=b Your question has one A: ...

10 years ago | 0

Answered
Simple question: How to find the 'x' at a certain value of y(x) equation?
Alpha If you plot the following x=[-100:.1:100] f = @(x) x.^2.*12./23./23.9.*log(x).^2 y=f(x) plot(x,y...

10 years ago | 0

Answered
How to normalize an image in matlab?
In <http://www.uni-koblenz.de/~agas/Documents/Csink1998CNA.pdf> L.Csink D.Paulus U.Ahlrichs and B.Heigl (Koblenz 98, from Erl...

10 years ago | 1

Answered
How to normalize an image in matlab?
Yshaswini A=imread('roiresize.jpg') [s1 s2 s3]=size(A) roithread=reshape(A,3,s1*s2) Ythread=floor(sum(roithrea...

10 years ago | 1

Answered
Markov Chain, Transition Probability Matrix, hmmestimate MATLAB
Pey start here <http://uk.mathworks.com/help/simevents/examples/m-d-1-queuing-system.html?searchHighlight=Markov%20queue> ...

10 years ago | 0

Answered
display function does not show the exact value
Mustafa If you are really after a numeric result, why don't start with numeric values? x_range=10 x_step=.1 x=[0...

10 years ago | 1

Answered
How can we apply a gaussian noise to a image?
Vishnu Gaussian and Normal distributions are the same. array_gaussian_noise=mu+randn(size_1,size_2)*sigma where mu is...

10 years ago | 8

Answered
how do i code toi.m ?
MATLAB starts toi with 3 very useful examples: 1.- direct Intercept Point IP3: rng default fi1 = 5e3 fi2 = 6e3 ...

10 years ago | 0

Answered
how edit code in matlab
assuming you have sampled often enough to catch the true max min values, to avoid missing max or min when searching for U and L ...

10 years ago | 1

Answered
find distance of points to centre of object?
Abo 1.- acquire image A=imread('the triangulation of the banana.jpg') imshow(A) [size_y size_x s3]=size(A) A(A<...

10 years ago | 1

Answered
How to normalize an image in matlab?
X would be a test region of interest X=zeros(5,5,3) X_r=randi([0 255],5,5) X_g=randi([0 255],5,5) X_b=randi([0 255...

10 years ago | 0

| accepted

Answered
Undefined function 'fftxx' for input arguments of type 'double'.
in R2015a there is no fftxx command, just fft try fft instead of fftx If you find this answer of any help solving this que...

10 years ago | 0

| accepted

Answered
How to get the matrix with maximum(or minimum) number of elements
try max(max(size(y1),size(y2))) If you find this answer of any help solving your question, please click on the thumbs-u...

10 years ago | 0

Answered
Matlab code for Digital Watermarking using DCT and DWT separately.
The Discrete Cosine Transform already has a function implemented in MATLAB: dct(x) or dct(x,n) many MATLAB functions are d...

10 years ago | 1

Answered
How to count a number of edges counting from canny?
Hi Selva 1.- acquire image A=imread('count_ribbons.jpg') [im_1 im_2 im_3]=size(A) % [y x 3] or [vertica...

10 years ago | 2

Answered
How can I select an entire row or column with impixel?
In true color images, for instance .jpeg all you have to do is to read the row or column of the 3 layers RGB of the image. ...

10 years ago | 1

Answered
Converting 4D matrix to 2D with multiple for-loop
1.- your first command randi(10,100,10,100) does not generate a 4D matrix, but 3D the first input field of randi is th...

10 years ago | 1

Answered
How do I implement a Matlab function, findtbracket.m, that, when a random function is inputed, the file will find the initial interval of the function?
Mónica prueba lo siguiente: x0=4.333 a=x0 b=x0 k=1 f=@(x) sin(x) k3=1 while ~(floor(x0-2^(-k3-1))==f...

10 years ago | 0

| accepted

Answered
How do I average the points (+ and - 20 points) from a specific data point and do this for several specific data points.
Adam try the following basic lines sequence_length=100 step=5 v=randi([-10 10],1,sequence_length) v_comb=[s...

10 years ago | 0

Answered
Plotting a 3D matrix in matlab (4D data)
have a look at the following points: 1.- correction: where you say ' .. A[4][3][2]=0.43. This makes it a 4D data ..' cons...

10 years ago | 1

| accepted

Answered
Cell array manipulations in MATLAB
Yu Let me start directly with the equivalent integers instead of the country acronyms: A.countryname={1;2;3} A.export={...

10 years ago | 1

Answered
How can i get associate license ???????????
Dear Said, Walter, as impressive as your credit is, you did not refer Said or any reader of this QA to the kind of licence so...

10 years ago | 0