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**Content Feed**

How can I draw a fft transform?

I think your "actual" plot looks correct, honestly. It is roughly the same shape as the "desired" plot, and my guess is that zoo...

1 year ago | 0

Calculate the RMS Value of signal, Iam getting an error:

You are trying to use the MATLAB function mean(), but you have a variable of the same name, which it why it thinks bit1.^2 is an...

3 years ago | 0

| accepted

Find Min& Max Togather

As of 2017a (and for anyone else still stumbling across this question years later, which it looks like there's still a handful),...

3 years ago | 2

How can I make a table editable in app designer to use the resulting data matrix?

It seems you must first add "default" data (via something like the startupFcn for your UIFigure) before you can edit the data (s...

4 years ago | 2

how do I call a member function in another member function in the same class in matlab ??

There are two ways to call another method function from the same class. First, you can use a dot/period to access the method ...

5 years ago | 2

How to struct ?

It's not quite right, but you're on the right track. First, you should have |TagPrice = 1:200:7000|, according to the question. ...

5 years ago | 0

Filling structure with variables from different files

You can do: alpha = 'a':'z'; cases = 8:12; for i = 1:length(cases) S.(alpha(i)) = load(['case' num2str(cases(i))],...

5 years ago | 0

Vectorization of For loops

Honestly, your slow code is due to the fact that you don't preallocate rloc1 or rloc. You will find that simply adding rloc1...

5 years ago | 0

how can i calculate summation over two limits and that too inside a for loop for different values of x & z to have a graph as shown in figure that varies with change in frequency ?

Okay, so there seem to be a lot of things going on (i.e. wrong) here, too much for someone else to solve for you. So a few point...

5 years ago | 0

Solve an equation with data from matrix

This looks like a job for the Quadratic Formula, my friend: % First, no need for a loop: vv = repmat(vt,[51 1]); % vv ends...

5 years ago | 0

Using loop for calculating ode with different parameter

Use a for loop. If k is non-linear, just put your values of interest into a vector. loop_i = 0; for k = [1 10 ....Rest of ...

5 years ago | 0

how to search a value of a matrix and replace by vector value?

studentIDs = [84599 84607; ... 151791 152219; ... 151791 152195; ... 357518 357809; ... 357518 357863];...

5 years ago | 1

| accepted

Why does MATLAB (R2015b glnxa64 ) hangs at times ?

I see you are running Linux. Do you have a swap partition? If so, this could be the cause. With RAM intensive calculations, MATL...

5 years ago | 0

How do I add cell (or double) columns together to form a new cell or vector?

Is this what you're looking for? sum(A,2)

5 years ago | 0

I have a text file contains a diffrent directories of video data, but now I don't know how to read those directories line by line from this text file and pass it to a function of reading video, I wish you guys can help me

It sounds like your question is less about video files and more about how to read a text file containing a list of filepaths to ...

5 years ago | 0

| accepted

nlinfit gives no result

In your function funexp2conv410, your line t_in = find(t==P); runs the risk of being empty, thereby causing output f ...

5 years ago | 1

| accepted

how to include n = 1:25; power = 1:4:100; cg = 1:6:150; in single expression using for loop

Since all your vectors are the same length, you probably want to be using the binary operators in your equation, which includes ...

5 years ago | 0

rand(Nuser,Ncarrier)= (b.*log(1+(rand(power).*rand(cg))/noise));

Your equation: rand(Nuser,Ncarrier)= (b.*log(1+(rand(power).*rand(cg))/noise)); Some observations: * _rand_ is a M...

5 years ago | 0

For which value of the scalar "b" does the (yet unspecified) function, y = f(x,b), go perfectly through the measured values?

Almost the exact same question was asked here (and I already answered it there): <https://www.mathworks.com/matlabcentral/answer...

5 years ago | 0

For which value of the scalar "b" does the (yet unspecified) function, y = f(x,b), go perfectly through the measured values?

Here is an example: f = @(x,b) x+b; % What you are asking is impossible without defining f. x = [0 1 5]; y_obs = [2 5 6]...

5 years ago | 0

Setting up vector function

In your for loop, you are using k(k1+1). if k1 is the last element of k, then k(k1+1) will be exceeding the dimension of k. If y...

5 years ago | 0

| accepted

Understanding convolution, 'same' might give wrong result

Your convolution looks correct, at least for what you have done, and yes, it is partially because of the 'same' option. The othe...

5 years ago | 1

How to assign 10 degrees (a unit to measure angle) to a variable ?

As James suggests, the following will work just fine: theta = 10; % degrees (Write a comment at the end if you want to remem...

5 years ago | 1

I need to have an error message for when the user inputs a letter into the a,b,c, or d inputs but im not sure how to do it, ive tried using isnan but could not figure out how to implement it into my code for it to work.

str2num will return empty if it cannot convert, so you would need to use isempty(). Alternatively, there is a second output from...

5 years ago | 0

Matlab not running? No errors

Be patient, it just takes a long time to display the plots. For me it took about 2 seconds for the contour functions to return a...

5 years ago | 0

Is this psuedocode implementation correct? (TicTacToe)

Did you implement these functions yourself? They seem to be all mixed up. For example, plotTicTacToe is asking for inputs, getMo...

5 years ago | 0

How can I get Matlab to display a warning when one of the temperatures is greater than 2x the other?

It depends how you would like it to display. Check out the documentation for warning(), warndlg(), etc. If you want to display t...

5 years ago | 0

| accepted

Can I use the if else statement to classify garment?

I am going to assume your classifications are strings. As such, you can use strcmp() or any of its related functions, as such: ...

5 years ago | 0

| accepted

How do I do numerical summations or integrations?

The strategy here would be to start at n=1 and keep summing over n until your result no longer changes with each new addition, n...

5 years ago | 0

Obtaining all the indices of matached elements of one array in another

You will run into problems if there are different amounts of A which equal B. If you care to know both indicies, use something l...

5 years ago | 1