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Giuseppe Inghilterra


Politecnico di Milano

Last seen: 3 years 前 |  自 2020 起处于活动状态

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已回答
data replace with NaN
Hi, I would do in the following way: y(x>=2.519e6 & x<=2.52e6) = NaN; In this way I overwrite the current values of y vector ...

3 years 前 | 1

| 已接受

已回答
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...

4 years 前 | 0

已回答
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 ...

4 years 前 | 0

已回答
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...

4 years 前 | 0

已回答
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...

4 years 前 | 0

已回答
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...

4 years 前 | 0

已回答
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...

4 years 前 | 0

已回答
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...

4 years 前 | 0

| 已接受

已回答
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'...

4 years 前 | 0

| 已接受

已回答
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 ...

4 years 前 | 0

已回答
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';...

5 years 前 | 0

| 已接受

已回答
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...

5 years 前 | 1

已回答
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...

5 years 前 | 1

已回答
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...

5 years 前 | 0

已回答
write indexes in a plot
Hi, look this answer: https://www.mathworks.com/matlabcentral/answers/97277-how-can-i-apply-data-labels-to-each-point-in-a-scat...

5 years 前 | 0

| 已接受

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

5 years 前 | 0

已回答
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...

5 years 前 | 0

| 已接受

已回答
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...

5 years 前 | 1

| 已接受

已回答
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 ...

5 years 前 | 0

| 已接受

已回答
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...

5 years 前 | 0

| 已接受

已回答
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...

5 years 前 | 1

| 已接受

已回答
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...

5 years 前 | 0

已回答
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'...

5 years 前 | 1

已回答
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 =...

5 years 前 | 3

| 已接受

已回答
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...

5 years 前 | 1

已回答
my plot is not sinusoidal wave
Hi, the argument of cosine "(m*pi.*x)/el" returns you always one. This happens because your cosine argument is expressed in t...

5 years 前 | 1

已回答
Import variable names and vaues from a .txt file
Hi, you can try "eval" matlab function to solve your problem For example: T = readtable(filename,'Delimiter',' '); [r,c] =...

5 years 前 | 0

已回答
How do I stop patch from making my squares into rectangles?
Hi, you can add to your code the following line: axis equal In this way you obtain the following result: You can see: h...

5 years 前 | 0

| 已接受

已回答
creating a variable address
Hi, i recommend you to use "fullfile" matlab function. This function allows you to build addresses from parts. Thus, in your ...

5 years 前 | 0

| 已接受

已回答
how to write a matrix to spesific excel row?
Hi, when you use xlswrite function, if you don't specify "sheet" as input argument, you must write the range in rectangular sha...

5 years 前 | 0