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Luca Amerio


Politecnico di Milano

Last seen: oltre 2 anni fa Attivo dal 2011

Professional Interests: Civil and structural engineering

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Domanda


Generate timehistory from PSD
I'm trying to generate a time-history from a synthetic PSD. My idea (happy to accept other solutions) was to turn the PSD into ...

quasi 3 anni fa | 0 risposte | 0

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risposte

Domanda


Restore standard interactive axes behavior (callback) when using custom ButtonDownFcn
In the latest MATLAB versions, by default, axes got a very neet degree of interactivity. For example, just doing [X,Y,Z] = pe...

oltre 4 anni fa | 0 risposte | 2

0

risposte

Domanda


Get position when using uicontextmenu
I'm trying to code an interface that alows the user to perform some actions on a set of points visualized as a scatter plot. To...

oltre 4 anni fa | 2 risposte | 0

2

risposte

Domanda


pyenv function not found
I'm trying to call a python function from matlab. I'm following the instructions found in Undefined variable "py" or function ...

oltre 4 anni fa | 1 risposta | 0

1

risposta

Domanda


splash screen for compiled application is not hard-coded in the app and can be modified
When launching a compiled application, the app look in the folder it is launched from for a file with the same name of the splas...

oltre 4 anni fa | 1 risposta | 0

1

risposta

Domanda


Figure toolbar disappears when selecting 3-D rotate
The following code produces a figure without the standard toolbar, but leaving the new "axes" toolbar with the zoom, rotate, dat...

oltre 4 anni fa | 0 risposte | 0

0

risposte

Domanda


Why this bandpass butterworth is unstable (while the corresponding low and high pass are stable)?
I have a signal sampled at 750Hz T = 60; fs = 750; t = (0:T*fs-1)/fs; x = sin(6*t) + 0.1*rand(size(t)); I want to filter ...

quasi 5 anni fa | 1 risposta | 0

1

risposta

Domanda


Apply Frequency Response Function to time series
I have a time series and a (complex) frequency response function . I want to compute the time history obtained applying to ...

quasi 5 anni fa | 1 risposta | 0

1

risposta

Domanda


What `gcbf` stands for?
I never remember the syntax of the gcbf command because I cannot understand what it stands for. gcf stands for "Get Current Fig...

quasi 5 anni fa | 1 risposta | 0

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risposta

Inviato


HDF2Struct
Reads HDF5 files and returns data in a structure

quasi 5 anni fa | 2 download |

Domanda


How to fit a line through this data "smartly" ?
I have the x-y data shown in the figure below (for the curious, it is the logarithm of the amplitude of a Hilbert transform). ...

circa 5 anni fa | 3 risposte | 0

3

risposte

Risposto
image(x,y,A) fails on log axis depending on axis's limits
From the MATLAB Technical Support: ------------------------------------------------------------------------------------------...

quasi 6 anni fa | 0

| accettato

Domanda


Apply function (str2double) to each element in a timetable
Hi I have a timetable where some numeric fields are stored as strings and other as 1x1 cell arrays of strings (of char array ...

quasi 6 anni fa | 1 risposta | 0

1

risposta

Risolto


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

quasi 6 anni fa

Domanda


slicing an M-by-N-by-3 matrix using an M-by-N matrix of logical values
Hi everybody I have an RGB image as a MxNx3 matrix. I would like to slice it using an MxN matrix of logic values (one for ...

quasi 6 anni fa | 2 risposte | 0

2

risposte

Domanda


image(x,y,A) fails on log axis depending on axis's limits
Hi The question is pretty much self explanatory given the following example The following code *works*: figure A = r...

quasi 6 anni fa | 2 risposte | 1

2

risposte

Domanda


New instance of matlab opening every time I double click a matlab file
Hi Every time i double click a matlab file (*.m, *.mat or *.fig) in an explorer windows, a new MATLAB instance starts, even if ...

circa 6 anni fa | 1 risposta | 3

1

risposta

Domanda


Interactive GUI Patch/Tessellation
Hi everybody I'm trying to design a GUI where the user is able to draw a series of connected patches (a tessellation) over a ...

circa 6 anni fa | 0 risposte | 0

0

risposte

Domanda


MinGW add-on installation fails
Hi I'm trying to install MinGW to compile a .c file. I'm using the Add-Ons menu as suggested by https://it.mathworks.com/help...

circa 6 anni fa | 2 risposte | 3

2

risposte

Risolto


calculate PI without using pi function
There are many methods to get the pi(Ratio of circumference to diameter). You should get pi without using the pi function in M...

oltre 6 anni fa

Domanda


Get maximum number of outputs from anonymous function
Hi everybody. I would like to call a function from within another function. The problem is that i don't know a-priori the numbe...

oltre 6 anni fa | 2 risposte | 0

2

risposte

Inviato


tabbedFigure(parentFig,tabName,source)
Creates a new tabbed figure window or adds a new tab to an existing one.

oltre 6 anni fa | 1 download |

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Domanda


Neural network with time-history input
Hi everybody I would like to create a NN with a time-history as input and a single value as output How can I do it? than...

quasi 7 anni fa | 1 risposta | 0

1

risposta

Domanda


Find estimator for bivariate distribution
Hi I have a set of Joint Probability Density Functions obtain from some sets of data. I would like to find the "best fitting li...

circa 7 anni fa | 0 risposte | 0

0

risposte

Domanda


Equivalent of [C{:}] for vertcat
To concatenate horizontally the content of a cell array we can use the very practice syntax [C{:}]. For example: A = {(1:3)...

circa 7 anni fa | 4 risposte | 1

4

risposte

Domanda


Compute that portion of a surface above a threshold
Hi. I have a variable Z define over a grid of points X,Y. I would like to compute the area of my domain where Z>threshold. ...

circa 7 anni fa | 1 risposta | 0

1

risposta

Domanda


CurrentCharacter properties not working as expected
Hi everybody. if I run the code h=figure; h.CurrentCharacter=char(i); disp(double(h.CurrentCharacter)) for i=1,...

oltre 7 anni fa | 1 risposta | 0

1

risposta

Domanda


Pause until a figure close OR a button is pressed
Hi. In the middle of my script I ask the user to zoom a figure and call ginput afterwards. I would like to interrupt (return)...

oltre 7 anni fa | 1 risposta | 0

1

risposta

Domanda


Create a nested structure using a variable as field name
Hi everybody Lets say that I have a variable path='\levelOne\levelTwo\levelThree' of which *I don't know the number ...

oltre 7 anni fa | 1 risposta | 2

1

risposta

Domanda


Save changes to class properties with dot notation
Let's say I have a simple class like this one: classdef MyData properties Data = 0; end methods ...

oltre 7 anni fa | 1 risposta | 0

1

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