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 ...

ungefär 3 år ago | 1 answer | 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 ...

ungefär 3 år ago | 1 answer | 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...

ungefär 3 år ago | 1 answer | 1

1

answer

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...

ungefär 3 år ago | 2 answers | 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 ...

ungefär 3 år ago | 1 answer | 0

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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...

mer än 3 år 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...

mer än 3 år ago | 1 answer | 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...

mer än 3 år ago | 1 answer | 0

1

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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 ...

mer än 3 år ago | 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...

mer än 3 år ago | 0 answers | 0

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

mer än 3 år 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...

mer än 3 år ago | 1 answer | 0

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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 ...

mer än 3 år 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...

mer än 3 år ago | 1 answer | 1

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answer

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 ...

mer än 3 år ago | 2 answers | 1

2

answers

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...

mer än 3 år ago | 2 answers | 0

2

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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...

mer än 3 år ago | 1

| 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...

mer än 3 år ago | 1 answer | 0

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

mer än 3 år ago | 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').

mer än 3 år 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...

mer än 3 år 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...

mer än 3 år ago | 1 answer | 0

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Answered
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...

mer än 3 år ago | 0

Question

How to match an image subset in an image?
Let's say I have image #1, and a second smaller image #2 containing some of the pixels from image #1. The pixels in image #2 wer...

mer än 3 år ago | 2 answers | 0

2

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Answered
How to match an image subset in an image?
This is slow (15 seconds on my machine) but it seems to return the expected location, % Create a mask for selected pixels in ...

mer än 3 år ago | 0

| accepted

Question

Import a Photoshop selection into Matlab
Let's say I have an image that I open in Photoshop, and I make a selection of a region, for example with the lasso tool. I would...

mer än 3 år ago | 0 answers | 0

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Answered
Intensity profile line with interpolation
You can specificy the number of points, n, in improfile and also choose the interpolation method such as bicubic (avoid nearest ...

mer än 3 år ago | 2

Answered
how to get matlab 2019b
Now it's out; get it here.

mer än 3 år ago | 1

Question

Excluding Hough transform artifacts at 45 and -45 degrees
I am following steps in this example to find lines in my image, which contains a lot of nearly-horizontal lines. The Hough trans...

mer än 3 år ago | 1 answer | 0

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Question

How to check if one of output variables is not called
If I have a function which can return multiple outputs, how can I tell from inside the function that some of the output variable...

nästan 4 år ago | 1 answer | 0

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