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Antonio Ciociola


Last seen: mer än ett år 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...

mer än 2 år ago | 1 answer | 0

1

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);

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år 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]; ...

mer än 3 år 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,...

mer än 3 år 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...

mer än 3 år ago

Solved


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

mer än 3 år 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.

mer än 3 år ago

Solved


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

mer än 3 år 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

mer än 3 år ago | 0

| accepted

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

mer än 3 år 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...

mer än 3 år 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 ...

mer än 3 år 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...

mer än 3 år 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:...

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år 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

mer än 3 år 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 ...

mer än 3 år 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...

mer än 3 år ago | 0

| accepted