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Luca Amerio


Politecnico di Milano

Last seen: mehr als 2 Jahre vor Aktiv seit 2011

Professional Interests: Civil and structural engineering

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Frage


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 ...

fast 3 Jahre vor | 0 Antworten | 0

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Frage


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...

mehr als 4 Jahre vor | 0 Antworten | 2

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Frage


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...

mehr als 4 Jahre vor | 2 Antworten | 0

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Frage


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 ...

mehr als 4 Jahre vor | 1 Antwort | 0

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Frage


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...

mehr als 4 Jahre vor | 1 Antwort | 0

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Frage


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...

fast 5 Jahre vor | 0 Antworten | 0

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Frage


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 ...

fast 5 Jahre vor | 1 Antwort | 0

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Frage


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 ...

fast 5 Jahre vor | 1 Antwort | 0

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Frage


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...

fast 5 Jahre vor | 1 Antwort | 0

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Gesendet


HDF2Struct
Reads HDF5 files and returns data in a structure

etwa 5 Jahre vor | 4 Downloads |

Frage


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). ...

etwa 5 Jahre vor | 3 Antworten | 0

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

fast 6 Jahre vor | 0

| akzeptiert

Frage


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 ...

fast 6 Jahre vor | 1 Antwort | 0

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Antwort

Gelöst


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

fast 6 Jahre vor

Frage


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 ...

fast 6 Jahre vor | 2 Antworten | 0

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Frage


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...

fast 6 Jahre vor | 2 Antworten | 1

2

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Frage


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 ...

etwa 6 Jahre vor | 1 Antwort | 3

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Frage


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 ...

etwa 6 Jahre vor | 0 Antworten | 0

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Frage


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...

mehr als 6 Jahre vor | 2 Antworten | 3

2

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Gelöst


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...

mehr als 6 Jahre vor

Frage


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...

mehr als 6 Jahre vor | 2 Antworten | 0

2

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Gesendet


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

mehr als 6 Jahre vor | 1 Download |

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Frage


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...

etwa 7 Jahre vor | 1 Antwort | 0

1

Antwort

Frage


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...

etwa 7 Jahre vor | 0 Antworten | 0

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Frage


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)...

mehr als 7 Jahre vor | 4 Antworten | 1

4

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Frage


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. ...

mehr als 7 Jahre vor | 1 Antwort | 0

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Frage


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,...

mehr als 7 Jahre vor | 1 Antwort | 0

1

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Frage


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)...

mehr als 7 Jahre vor | 1 Antwort | 0

1

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Frage


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 ...

mehr als 7 Jahre vor | 1 Antwort | 2

1

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Frage


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 ...

mehr als 7 Jahre vor | 1 Antwort | 0

1

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