Question


Import datetime in custom date format which includes junk characters
I would like to import a csv file that contains a column of times in the following format, 2020-09-02T16:31:44.427Z I am usin...

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Question


Why is R2020a slow to return errors?
When I switched to R2020a (Windows), I noticed that a simple error at the command line takes about 20 seconds to resolve, % Sim...

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A répondu
Why is the automatic time labeling of my plot in quarters?
It turns out the time variable is a datenum, and when you are plotting them, you can choose the time labelling format using date...

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Question


Why is the automatic time labeling of my plot in quarters?
I am plotting a timeseries object* and the automatic date labelling of the x-axis is, unfortunately, in financial quarters (Q1-2...

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Using controlchart with specified time vector
Here is what I have tried. The time labeling on the x-axis is not as nice as plots that use datetime; for my real data, it is la...

plus de 3 ans il y a | 0

Question


Using controlchart with specified time vector
I have some measurements consisting of an irregularly-sampled datetime vector and measured values, and I would like to use the c...

plus de 3 ans il y a | 1 réponse | 0

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Question


Fastest recursive search for files
From this answer, I learned that dir can search recursively for files in subdirectories, and it is about 3X faster than what I h...

plus de 3 ans il y a | 1 réponse | 1

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Question


Checking if a nested field exists in a structure
I am building a structure whose fields and subfields are nested structures. I would like to cycle through a subfield, determine ...

presque 4 ans il y a | 1 réponse | 0

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Question


How to fit a common linear trend observed across multiple sensors?
Let's say I have 10 noisy sensors measuring temperature vs time, and I want to fit a linear trend which is common across all 10 ...

presque 4 ans il y a | 1 réponse | 0

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Question


How to retrieve a table entry using row name?
The function anova returns a 3x5 table and I would like retreive the value from the row named Model and column named pValue. How...

presque 4 ans il y a | 1 réponse | 1

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Question


Getting a command like gather to run silently
I am using the command gather many times in a loop, and it throws out the following updates each time, Evaluating tall expressi...

environ 4 ans il y a | 2 réponses | 0

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Question


Do I need anything more than a db file and the Database Toolbox to access a Sybase database?
I have been given two files MyDatabase.db and MyDatabase.log file by a coworker, who said they are a Sybase database. To access ...

environ 4 ans il y a | 1 réponse | 0

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Divide a 3D shape into equal-volume subregions?
Based on the comments, my original question was too open ended, so I am answering this to bring it to a close. A simple 3D divis...

environ 4 ans il y a | 1

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Question


Divide a 3D shape into equal-volume subregions?
I have a 3D shape that can be approximated with Delauny triangularization or a convex hull. I would like to divide the shape int...

environ 4 ans il y a | 1 réponse | 0

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Question


Are these the same: set(0, ... and set(groot, ...
Let's say I always want graphics to appear a certain way, so I put commands to set graphic preferences in my startup.m file. I h...

environ 4 ans il y a | 1 réponse | 0

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A répondu
What is the default transfer function for fitnet?
Greg, do you happe to know where in the documentation it says that tansig is the default? I can only find how to list all the ...

environ 4 ans il y a | 1

Question


Matlab equivalent for Octave command bitunpack
I have an Octave program that I would like to turn into Matlab code. The sticking point is the Octave bitunpack command, which r...

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A répondu
Is there a function in MATLAB for detecting points inside a polyhedron?
You could use inpolyhedron from the FEX, discussed here.

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Question


How to get handle to legend in a specific axes?
I would like to find the handle to one legend that appears in a specific subplot, while there are a lot of other plots with lege...

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How to migrate command history to new computer?
Here is what I figured out from this answer, in case it helps someone. At the Matlab command prompt on old computer #1, enter ...

environ 4 ans il y a | 2

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Question


How to migrate command history to new computer?
I have been using Matlab 2019b on one computer, and need to install it on another. Is there any way I can migrate my command his...

environ 4 ans il y a | 1 réponse | 1

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Question


Setting different properties for some line objects stored in the same handle
Let's say I have a handle h1 that contains several line objects, like so: h1 = plot(1:10, rand(10, 25)); % h1 contains 10 line ...

environ 4 ans il y a | 2 réponses | 1

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Question


Accessing field data in nonscalar structure array
Let's say I have a nested non-scalar structure array, Patient(1).Vitals.weight = 185; Patient(1).Vitals.temperature = [98 96 1...

plus de 4 ans il y a | 2 réponses | 0

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DOCTYPE error from xmlread
It turns out this was not an xmlread issue, and has nothing to do with AllowDoc, but instead is due to a problem with the XML fi...

plus de 4 ans il y a | 1

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Question


DOCTYPE error from xmlread
I have been given an XML file and am trying to read it with xmlread. If I call it either of the following ways, DOMNode = xmlre...

plus de 4 ans il y a | 1 réponse | 0

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What happened to plotxx?
There is also a plotxx in the File Exchange.

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Is it possible to have a zero value in the pie-chart data in MATLAB 7.6 (R2008a)?
If you are doing this to plot a pie which is missing a slice, see here ('Partial Pie').

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"The handle is invalid" when running an exe
Passing along the solution from here in case it helps someone: Due to the popup window that the exe generates, I needed to add a...

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Question


"The handle is invalid" when running an exe
I would like to run an executable from the Matlab command line. However when I try system('MyProgram.exe') I get the error, U...

plus de 4 ans il y a | 1 réponse | 0

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How can I move my MATLAB Path from my old version of MATLAB over to a new version?
Upgrading to R2019b from R2019a, I copied my personal directories into the new pathdef.m file using the R2019b matlab editor and...

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