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Antonio Ciociola


Last seen: 4 meses hace |  Con actividad desde 2020

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Random Point from meshgrid
Hi everybody, I've a simple problem. I've to pick a certain number "N" of point from a meshgrid. The constraints of the proble...

casi 3 años hace | 1 respuesta | 0

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Respondida
Plotting Square wave from pressure signal
This can be done transforming your signal into an arry of logic values: sig_bool = (signal>a & signal<=d);

más de 4 años hace | 0

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How can I replace a value that comes after a specific string in a text file?
Use textscan: filename = 'nameofyourfile.txt'; fid = fopen(filename,'r'); [A] = textscan(fid,'%s %f') Then you can rewrite y...

más de 4 años hace | 0

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Respondida
Am I wrong? need help with a question
Your question might contain some error, I believe.. The correct formula should be: And the Volume can be calculated in this...

más de 4 años hace | 0

Respondida
Need to conduct analysis across four .mat files at once - how do I load multiple .mat files?
The problem seems to be related to this instruction: s = [1 4]; But then you're loading the mat files in this way: s(i) = lo...

más de 4 años hace | 0

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my code doesn't get into my If statement
The problem seems to be here: counter=sc-4; if counter>1 && counter<sc-4 If you set "counter" to "sc-4" the following cond...

más de 4 años hace | 0

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Resuelto


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; ...

más de 4 años hace

Resuelto


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

más de 4 años hace

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...

más de 4 años hace

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Return area of square
Side of square=input=a Area=output=b

más de 4 años hace

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

más de 4 años hace

Resuelto


Add two numbers
Given a and b, return the sum a+b in c.

más de 4 años hace

Respondida
Why I cannot "set" what I got with "get"?
Try this: set(c,{'String'},zz); For more information take a look to "set" reference page: Set Help

más de 4 años hace | 0

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Respondida
How use filter from filter designer
y = filter(Hd,x); x is the signal that you want to filter.

más de 4 años hace | 1

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Resuelto


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

más de 4 años hace

Resuelto


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

más de 4 años hace

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

más de 4 años hace

Resuelto


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

más de 4 años hace

Respondida
Problem with FFT amplitude plot
It's hard to understand the problem without data and code. The error that you get seems related to the amplitude of the spectr...

más de 4 años hace | 0

Respondida
Issue with data imputation, (inserting date time value into an array of dates).
The error that you get it's caused by the horzcat function. Your datetime vector it's a row vector, therefore you have to use v...

más de 4 años hace | 0

Respondida
how do i convert RGB image to HSV and then generate histogram of that hsv image?
Maybe this could help: https://www.mathworks.com/matlabcentral/answers/273563-how-to-draw-histogram-of-hsv-image

más de 4 años hace | 0

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Respondida
Sampling signal in Time domain
It seems that your data has been taken by sampling a sinusoid using a sampling frequency that is only two time the frequency of ...

más de 4 años hace | 0

Respondida
Calculating daily average curve from weekly data
If i don't get wrong, it seems that you want to perform this operation: %% Mean along 10 columns g1m = mean(g1,2); %% Resha...

más de 4 años hace | 0

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