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# Luca

##### Last seen: 10 days ago
30 total contributions since 2017

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Question

How to recall a figure (plot).
Hello, can you tell me how I can make available again a plot that I had drawn at the beginning of the livescript? I have trie...

23 days ago | 0 answers | 0

### 0

Question

I would like to implement simple circuits that I am studying during the electrical engineering (mechanical engineering) course. ...

3 months ago | 1 answer | 0

### 1

How to generate a function from x-y vectors?
For you.

7 months ago | 0

How to generate a function from x-y vectors?
Hi, I have 2 vector (x, y) and I desire math expression y=f(x) x must be syms. How to? tnks

7 months ago | 0

Question

How to implement integration with function of function.
Hi, can someone help me understand how to implement the integral in the picture? The integrand function must be solved as a fun...

7 months ago | 0 answers | 0

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Question

Table in livescript: column width.
Hi everyone, How could I set width of each column? In second column I would see first 7 digits. thanks

1 year ago | 1 answer | 0

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Question

polarhistogram and Shear flow distribution
Hi, I would like to use polarhistogram to represent the cutting flow of a cross section fuselage. I do not understand how polar...

2 years ago | 0 answers | 0

### 0

Question

Unit conversion: from u.kg*u.g_m to u.kN
Unit conversion. u = symunit; I have to go from u.kg*u.g_n to u.kN

2 years ago | 1 answer | 0

### 1

Question

Colormap in 2D plot
I have 3 plot ( q1(s) q2(s) and q3(s) and I would to color functions know that the mincolor is to zero value end maxcolor is...

2 years ago | 1 answer | 0

### 1

unitconv do not work
If I use unitconvert, matlab leave an error, function don't exist.

2 years ago | 0

Question

unitconv do not work
syms x y u = symunit; b=70*u.millim; h=60*u.millim; t=1*u.millim; %trave ad C Ixx=si...

2 years ago | 2 answers | 0

### 2

Question

Get a numerical result after a symbolic declaration.
Initially, I declared the symbolic variable q, but I need to get the results by replacing the value of q found. Once note q, I ...

2 years ago | 1 answer | 0

### 1

Why getting some strange fractions? The code is simple and correct,maybe.
Leave default values. The range could be from 0.1 to 4 with 0.1 step. moli_reag(reag)=0; for i=1:reag prompt = 'Ins...

2 years ago | 0

Why getting some strange fractions? The code is simple and correct,maybe.
Mol values? do not need mol values, but only the partial pressures I have already indicated. Why do you ask me for the mol?...

2 years ago | 0

Why getting some strange fractions? The code is simple and correct,maybe.
Thank you, heartily. But why does the matlab result differ from the paper one? The implemented code is as simple as the exercise...

2 years ago | 0

Question

Why getting some strange fractions? The code is simple and correct,maybe.

2 years ago | 6 answers | 0

### 6

Why getting some strange fractions? The code is simple and correct,maybe.
thank you very much for your availability. The main question is: why is not simply inserted the value relative to pp_nuove (3)? ...

2 years ago | 0

MathWorks Certificate Associate Exam Preparation
Grazie :)

2 years ago | 0

MathWorks Certificate Associate Exam Preparation
I am a mechanical engineering student, I took the courses (onramp, fondamentals, Programming techniques,linear algebra) online m...

2 years ago | 0

MathWorks Certificate Associate Exam Preparation
Me too I would know how to prepare for the exam. Are there any specific book?

2 years ago | 0

First plot x y.
Time variable is not important at this moment. I m studying a stationary fluid which the thickness of the boundary layer dep...

2 years ago | 0

First plot x y.
Thanks. Re is a vector like this [100000:100000:6000000]. Why isnt your vector too? It is [..][..]? Ps I know, a script is ...

2 years ago | 0

Question

First plot x y.

2 years ago | 3 answers | 0

### 3

Question

Slider in live editor
Hi guys, How could I create 3 uislider and catch corrispondent values? this is my code: sld1 = uislider(); sld1.Limit...

2 years ago | 1 answer | 0

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Question

solve system of equations without using matrices.
Hi, Is it possible to solve a system of equations without using matrices? That is, Can I write a series of unordered linear equ...

3 years ago | 0 answers | 0

### 0

Why does MATLAB crash on Linux Fedora 26 with a segmentation violation (R2017b or later)?
Great, Matlab works well on Fedora 26.

3 years ago | 0

What is a Host ID? How do I find my Host ID in order to activate my license?
tnks, now the error is.. [luca@Luca ~]\$ matlab Error logs successfully sent to MathWorks. ---------...

3 years ago | 0

What is a Host ID? How do I find my Host ID in order to activate my license?
Hi,I have a pc running windows7 and Fedora Linux. I installed Matlab with Campus license first on Windows, then on linux. Setup ...

3 years ago | 0

"Subscript indices must either be real positive integers or logicals." again! See codes
clc; clear; teta=linspace(0,pi/2,100); R=1; g=9.81; v_quadro = g*R*cos(teta.*2) + R*g(2^0.5-1)-4*R^3*(...

3 years ago | 0

Question

How and when to use sprintf disp ?....
Hi guys, I m italian (excuse me for my english) and I have a question about sprintf (disp,..): My code is : for k=1:1...

3 years ago | 1 answer | 0