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# Giuseppe Inghilterra

### Politecnico di Milano

66 total contributions since 2020

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EPS export issue: blank figure
Hi, I usually export matlab figures in .svg format, then I modify them in inkscape and save it to .pdf. I add it in LaTex docum...

environ un mois ago | 0

How to set specific variables in fmincon to be integers only?
Hi, another solution could be adding non linear equality constraints: for example remainder of division between first variable ...

environ un mois ago | 0

How to modify data vector
Hi, you convert to string your time vector (num2str function) and then convert it to date (datetime function), specifying input...

environ un mois ago | 0

How to save each term from a sum
Hi, try to run this code. I add a plot in which I show how "pi1" converges toward to pi value. clear n = input('Number of ter...

environ un mois ago | 0

Print figure without its title
Hi, an easy and fast solution could be save first the figure and then add title, as following code: close all; clear all; cl...

environ un mois ago | 0

how to plot multiple graphs
Hi, you can plot all these figure by using a for loop cycle. Example: for ii = 1:180 figure plot(x,y) end In this...

environ un mois ago | 0

Protect the size of a preallocated matrix
Hi, in MATLAB numeric arrays are free to change size, i.e. if you add an element outside intial defined dimension, then array w...

environ un mois ago | 0

| accepted

Find rows of cell array containing certain specific multiple cells?
Hi, try to run following code, variable 'r' returns you row that contains what are you looking for: [r c] = find(strcmp(ca,'g'...

environ un mois ago | 0

| accepted

I want to double numbers that are less than the given parameter. What do I need to change
Your function will be: function dataSamples = AdjustMinValue(numberSamples, userSamples, minValue) % numberSamples: Number of ...

environ un mois ago | 0

Reading all text from specific cell from .csv file.
Hi, try to run following code, you should obtain what you have asked: close all clear all clc filename = 'dtc_table.csv';...

environ un mois ago | 0

| accepted

How merge block works in simulink?
For merge block see reference: https://www.mathworks.com/help/simulink/slref/merge.html However, if you try to model as merge_b...

environ un mois ago | 1

Why is my scatter plot producing inconsistent results?
Hi, your code is correct. ev17 and sch17 have the same value (2631). Both are plotted with diamond marker, thus they are superi...

environ un mois ago | 1

Schröder number with formula
I show you how you could solve your problem. Try this code: prompt = 'n: '; n = input(prompt); % ask the user for a...

environ un mois ago | 0

write indexes in a plot

environ un mois ago | 0

| accepted

Random specified numbers.
Hi, you can use randsample matlab function. (Reference: https://www.mathworks.com/help/stats/randsample.html). y = randsample...

environ un mois ago | 0

Random variation in a signal in Simulink
Hi, if you can use stateflow in your simulink model, following chart could be a solution: As you can see you start from stat...

environ un mois ago | 0

| accepted

How to make real and imaginary plot of the graph same color
Hi, a fast and easy solution could be generate a triplette of RGB values randomly at each iteration and you use it as color fo...

environ un mois ago | 1

| accepted

How to simulate a random castle in a chessboard?
Hi, if you try to run this code: close all clear all clc n = 8; %chessboard size CB = zeros(n,n); %init ...

environ un mois ago | 0

| accepted

How to plot fixed value for a number of ranges splited by a fixed step size in MATLAB?
Hi, you can obtain your plot by using 'bar' matlab function (reference: https://www.mathworks.com/help/matlab/ref/bar.html). F...

environ un mois ago | 0

| accepted

Exact value in excel sheet of function
Hi, you can see on command window by enter following lines: format long y(783) In this way you can see on command wi...

environ un mois ago | 1

| accepted

How to fix axes in dynamic plot
Hi, you can add in your code xlim and ylim functions close all x=@(t)(sin(4*t)).^2; y=@(t)cos(5*t); z=pi; figure(1) for...

environ un mois ago | 0

Specifying row and columns in writetable function
Hi, see https://www.mathworks.com/help/matlab/ref/writetable.html on how to use writetable function. writetable(T,'myData.xls'...

environ un mois ago | 1

Plot grided latitude and longitude as pixels on map
I obtain this result: by running the following code: load lati.mat load loni.mat [LONG, LAT] = meshgrid(loni,lati); Z =...

environ un mois ago | 3

| accepted

Am I doing this right? (a Math formula to Matlab language)
Hi, A and B terms are wrong. What you wrote is the square of sum of differences. Instead formula is the sum of square of diffe...

environ un mois ago | 1

Solved

Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...

environ un mois ago

Solved

Counting Money
Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: \$99,999.99. E...

environ 2 mois ago

Solved

Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

environ 2 mois ago

Solved

Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

environ 2 mois ago

Solved

Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

environ 2 mois ago

Solved

Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

environ 2 mois ago