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...

24 dagar ago | 1 answer | 0

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...

ungefär 2 månader ago | 1 answer | 0

Answered

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...

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...

ungefär 2 månader ago | 0

| accepted

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...

ungefär 2 månader ago | 1 answer | 0

Answered

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...

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...

ungefär 2 månader ago | 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...

ungefär 2 månader ago | 1 answer | 0

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...

3 månader ago | 0 answers | 0

Answered

Checking if a nested field exists in a structure

I found a useful function isnestedfield.m in this answer provided by Thorsten, so I will close out this question.

Checking if a nested field exists in a structure

I found a useful function isnestedfield.m in this answer provided by Thorsten, so I will close out this question.

4 månader ago | 0

| accepted

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 ...

5 månader ago | 2 answers | 0

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 ...

5 månader ago | 1 answer | 0

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...

6 månader ago | 1 answer | 0

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...

6 månader ago | 2 answers | 0

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 ...

6 månader ago | 1 answer | 0

Answered

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...

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...

7 månader ago | 1

| accepted

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...

7 månader ago | 1 answer | 0

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...

7 månader ago | 1 answer | 0

Answered

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 ...

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 ...

7 månader ago | 0

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...

7 månader ago | 0 answers | 0

Answered

Is there a function in MATLAB for detecting points inside a polyhedron?

You could use inpolyhedron from the FEX, discussed here.

Is there a function in MATLAB for detecting points inside a polyhedron?

You could use inpolyhedron from the FEX, discussed here.

7 månader ago | 0

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...

8 månader ago | 1 answer | 0

Answered

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 ...

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 ...

8 månader ago | 1

| accepted

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...

8 månader ago | 1 answer | 1

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 ...

9 månader ago | 2 answers | 1

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...

10 månader ago | 2 answers | 0

Answered

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...

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...

10 månader ago | 0

| accepted

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...

11 månader ago | 1 answer | 0

Answered

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').

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').

11 månader ago | 0

Answered

"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...

"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...

11 månader ago | 0

| accepted

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...

11 månader ago | 1 answer | 0