Gennaro Arguzzi
Università di Pisa
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Awarded to Gennaro Arguzzi on 20 Jul 2017
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Frage
Visualising symbols inside the tranfer fcn block in Simulink
I'm wondering if there is a way to visualise symbols inside the transfer fcn block in Simulink. I tried in this way, but it doe...
mehr als 2 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Creating a multidimensional table
I'd like to create a multidimensional table. For example a 3D table with 10 stacked 3x3 matrices. I tried with this code, but i...
fast 6 Jahre vor | 3 Antworten | 0
3
AntwortenFrage
Difference between angle2dcm and eul2rotm (same angle sequence, different result)
Hello everyone, I tried to use both functions angle2dcm and eul2rotm with the same angle sequence, but the results are different...
fast 6 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Central numerical differentiation - Error
Hello everyone, I'm trying to implement the numerical differentiation by using central method: % x[k+1] - x[k-1]...
fast 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Selecting more than one range of elements of a vector with a single line code
Hello everyone, i'm wondering if it's possible to select more than one range of elements of a vector with a single line code....
fast 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Fixed axes during the iterations to plot 3D lines between two points
Hello everyone, I tried to write the code to plot a moving line in 3D by using the following code: r = 3; theta =...
etwa 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Saving orientation of a plot in the script
Hello everyone, is it possible to save a generic orietation of a plot and then recover it every time I run a script? For exam...
etwa 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Axes limits - plotv
Hello everyone, is it possible to specify the limits of axes when I use the statement plotv? I have the code: M1 = [1 0....
etwa 6 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Gradient plot as arrow - strange result
I tried to plot gradient as an arrow with: x=-10:2:10; f = -x.^2; u = gradient(x); n=length(u); for i...
etwa 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Plot arrows of the gradient for function of one variable
Hello everyone, how can I plot arrows of the gradient for function of one variable? For example f(x)= - x^2. Thank you so ...
etwa 7 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Result in term of pi greek
Hello everyone, I have the following statements: angle(-1+1i) atan2(-1+1i) The result is 2.3562....How can I get ...
etwa 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Subscript - Symbolic serie
Hello everyone. Is it possible to create a symbolic serie like this: a_0, a_1, a_2, a_3? I tried with the following wrong code: ...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Verifing symbolic equality in MATLAB
Hello everyone. How can I verify a symbolic equality? For example: (a+b)*(a-b)=a^2-b^2 Thank you for your help.
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Result of z+conj(z) and z*conj(z) with z complex by default
Hello everyone. Is it possible to get z+conj(z)=2*Re(z) and z*conj(z)=(abs(z))^2 without defining z=a+1i*b? I tried to wrote: ...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Implementing Z-Transform of -a^n*heaviside(-n-1)
Hello everyone, is it possible to implement a code that carries out the Z-Transform of an anticausal sequence like this -a^n*hea...
mehr als 7 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Implementing Unilateral Z-Transform of a^n
Hello everyone, I wrote the following lines to implement the unilateral Z-transform of a^n: close all clear all syms ...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Inverse Z-Transform of z/(z-a) - Strange result
Hello everyone, I tried to get the inverse Z-transform of z/(z-a) with the following lines: close all clear all syms ...
mehr als 7 Jahre vor | 2 Antworten | 0
2
AntwortenFrage
Input signal -->abs block-->ideal low pass filter block-->output signal - Ideal low pass filter in Simulink
Hello everyone. I have the following time-continuous system: input signal -->abs block-->ideal low pass filter block-->output si...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Derivative of sawtooth - interpretation of result
Hi everyone. I derived a sawtooth function: <</matlabcentral/answers/uploaded_files/82037/0.png>> with the following code:...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Inverse Fourier transform of unilateral exponential function - ifourier MATLAB
Hi everyone. How can I get the inverse Fourier tranform of unilateral exponential? I tried with the following code: close...
mehr als 7 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Replace a symbolic variable with a symbolic expression
Hi eveyone. I've the following code: close all clear all syms t Y=fourier(heaviside(t)); The result is Y = pi*d...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
symbolic variable - proving positive
Hi everyone. How can I prove that a symbolic variable is positive? It is not possible to use if statement for symbolic variables...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
{} and () brackets - creating array in for loop
Hi everyone. I read the following answer on stack exchange: <https://stackoverflow.com/questions/9055015/difference-between-a...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
getframe + frame2im + imwrite - Save figure
Hi everyone. I'd like to save a figure using statements getframe+frame2im+imwrite (without print statement). Is it possible to d...
mehr als 7 Jahre vor | 2 Antworten | 0
2
AntwortenSave string in structure
Ok, I solved problem: for i=1:3 file=strcat('Documento',num2str(i),' - by Gennaro'); struttura(i).nome=file; end ...
mehr als 7 Jahre vor | 0
Frage
Save string in structure
Hi everyone. I'm trying to save string in a structure, but MATLAB shows me an error. for i=1:3 file=strcat('Documento'...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Reference of Fourier series
Hi everyone. I'd like to know where I can find the reference of MATLAB documentation. In particular, where can I find the refere...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
M(i)=getframe(gcf) in for loop - Wrong result
Hi everyone. When I run the following code: f=0.1; hold on for k=[0:0.1:1/f] plotv([real(exp(i*2*pi*f*k)); imag(ex...
mehr als 7 Jahre vor | 1 Antwort | 0
1
AntwortFrage
Phase diagram database - Matlab
Hi everyone, has Matlab databases of phase diagrams? Thank you very much.
mehr als 7 Jahre vor | 0 Antworten | 0
0
AntwortenFrage
Inputname statement - useful example
Hi everyone, could you help me to understand what is the useful of the inputname statement? I run the following example: ...
mehr als 7 Jahre vor | 3 Antworten | 0
3
Antworten
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