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Antonio Ciociola


Last seen: 4 months ago |  Active since 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...

3 years ago | 1 answer | 0

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answer

Answered
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);

4 years ago | 0

Answered
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...

4 years ago | 0

| accepted

Answered
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...

4 years ago | 0

Answered
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...

4 years ago | 0

Answered
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...

4 years ago | 0

| accepted

Solved


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]; ...

4 years ago

Solved


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,...

4 years ago

Solved


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...

4 years ago

Solved


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

4 years ago

Solved


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.

4 years ago

Solved


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

4 years ago

Answered
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

4 years ago | 0

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

4 years ago | 1

| accepted

Solved


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...

4 years ago

Solved


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 ...

4 years ago

Solved


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...

4 years ago

Solved


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:...

4 years ago

Answered
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...

4 years ago | 0

Answered
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...

4 years ago | 0

Answered
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

4 years ago | 0

| accepted

Answered
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 ...

4 years ago | 0

Answered
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...

4 years ago | 0

| accepted