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**Content Feed**

How to store vectors into a matrix that have different sizes?

Hi Robert, As far as I understand, your remedy is cell arrays. You can collect arbitrary size of vectors into one cell array. I...

3 years ago | 0

How can I remove values from an array

In the "Roll" vector, assume you want to remove 3 from the array. Roll(find(Roll==3))=[]; "find" command outputs the indices ...

3 years ago | 0

Matrix dimensions must agree.

It looks like your parabola variable is either (1) not a vector but a matrix (2) a vector but its size is not equal to 91 (si...

3 years ago | 0

Values Stops Somewhere that it shouldn't

Hi Atahan, Your graph doesn't stop in the middle. The figure is the same with the original. Your months labeling is wrong. Chan...

4 years ago | 0

| accepted

How to loop through cell arrays

Hi, First, you don't need to use cell array as your dimensions are all same. 40x48. If you still want to work with cell array,...

4 years ago | 0

Question

Maximum value of a normalized power changes

I have a function (looks like gaussian) and I want to plot it such that the area under the plot is always 1 (power normalization...

4 years ago | 1 answer | 0

### 1

answerseparate the fast fading and the shadowing

Try converting your data into power units first data_in_power=10.^(yourdata./10); And then apply FIR filter onto tha...

4 years ago | 0

Generating a distribution around a parameter using monte carlo simulation.

Generally, the way it works is you already possess the data samples (say millions of them) and find the histogram of the data (f...

4 years ago | 0

separate the fast fading and the shadowing

Regardless of your figure, let me clarify the following: - Shadowing in power unit is commonly modeled as a lognormal distrib...

4 years ago | 0

Plot legend based on variable inside loop

I had the same error. When I search, I reach your topic. Your code worked well on my MATLAB version; which is R2017b. I don't k...

4 years ago | 0

Multiplying a matrix by a function

I am assuming P to be 5 X 5 matrix and n(t) to be 5x100. Hence, if you do the calculation u(t) = P*n(t) , you are going to ge...

4 years ago | 0

How to print the diagonals of a matrix as shown below.

Since it looks like an assignment, I'd like to propose some approaches rather than giving the exact answer to do it. One exha...

4 years ago | 0

| accepted

How to do BPSK modulation using Rayleigh fadding channel?

I am not sure how this is related to Cholesky decomposition. But let me describe a solution for it. Assume, y=hs+n where h is...

4 years ago | 0

How to get amplitude of the signal from FFT results?

Mostly, length of your signal in time domain is not equal to the length of its fft. From Parseval Theorem, their powers are equ...

4 years ago | 0

Editing cell array values (each cell is a matrix)

before starting the iteration, mos=[]; "before starting the removal of the next mo", most probably inside-end of the ite...

4 years ago | 1

How do I compute the correlation between corresponding rows of two matrices?

X is 10,000-by-60 Y is 10,000-by-60 X' is 60-by-10,000 Y' is 60-by-10,000 By correlating these two matrices, i.e. R=corr...

4 years ago | 0

| accepted

Error using for loop

There are two main fails in your code. Elaborating Jan's post; (1) when i=1 and k=1, i.e. first loop, A(i-k) = A(0) fails. T...

5 years ago | 0

accepting values into an array, then accepting new values by shifting left

I'm guessing it is because of the persistent statement. Quote from the statement explanation: " If the persistent variable do...

5 years ago | 1

| accepted

How to find number of linearly independent eigenvectors in a matrix?

In the context of Linear Algebra, one finds an eigenvalue of a matrix and then finds the right or the left eigenvector associate...

5 years ago | 1

| accepted

The advantages of MATLAB over other programing languges for Image Processing

Life for the Linear Algebra is pretty easy in Matlab.

5 years ago | 0

How can I make the output of a function always a column vector, regardless of if the input is a column or row vector?

%Check if the output is a column vector if size(output,2)>1 output=output(:) end Hope the problem is understood correc...

5 years ago | 0

| accepted

How to generate Rayleigh distributed random variable with a specified mean and variance?

Hey, There is an easy method to generate values from a Rayleigh distribution. Assume *Z~Rayleigh(sigma)*. Since *Z=sq...

5 years ago | 6