Answered
Find a specific char in a cell and turn it into NaN
Let's say you have your sensor value as a cell vector -- but it's full of non-numeric garbage: rawsensval={'3','5','Error 9000'...

5 years ago | 0

Answered
Error in project code image processing
I'm not familiar with your project, but the error message seems to mean exactly what it says. Your gui is calling fitcsvm() wit...

5 years ago | 0

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Answered
image processing loop to calculate median value in window / kernel
This smells like homework, but I'll bite. It's unclear what the variables you've defined mean. What is the undefined variable ...

5 years ago | 1

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Answered
How can I get rid of the error "The value assigned to variable 'n' may be unused"?
The note about "variable may be unused" is a warning, not an error. I'm not sure how this applies to your code example and desc...

5 years ago | 1

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Answered
How to rearrange images within imtile and/or montage?
I'm not really sure what your question is. You are loading four images into the WS and then you concatenated them into a single...

5 years ago | 0

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Question

Conceptual motivation for the difference between imhist() and histcounts()
In trying to divorce my toolbox from the IPT, I reimplemented imhist() using histc()/histcounts(). While histc()/histcounts() ...

5 years ago | 1 answer | 0

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answer

Question

How to programmatically select which array dimension to address
I've run across this issue a few times, and I'm wondering if there's an elegant way to handle it. Say I have a function that re...

5 years ago | 2 answers | 0

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answers

Answered
system() and library conflict
I guess I was thinking too much about how to solve it in Matlab. I just wrote a tiny bash script to deal with it. #!/bin/bas...

6 years ago | 0

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Question

system() and library conflict
I was trying to load a web page in my system browser using web('url','-browser') and had issues getting it to work with my speci...

6 years ago | 1 answer | 0

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answer

Answered
How do I make a figure full screen programmatically in MATLAB?
Similar to Jan's answer, it's possible to use system-level tools to maximize windows in Linux. That way, the behavior should be...

6 years ago | 2

Answered
nonsensical imread behavior with multiframe gifs in R2019b
I'm glad to have some traction on a bug report. As things develop further, any info or patches will be added/linked here. If...

6 years ago | 3

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Question

nonsensical imread behavior with multiframe gifs in R2019b
I have been working primarily in R2009b and R2015b. When some users brought up some issues they were having with my tools in R2...

6 years ago | 1 answer | 4

1

answer

Question

Gaussian filters returned by fspecial() with asymmetric size parameter
I noticed some edge artifacts in images I had filtered using a filter from fspecial, so I decided to take a look at the filter s...

6 years ago | 1 answer | 0

1

answer

Question

Alternatives to using ismember() for string versus cell array of strings
Back when I was using R2009b, I got into the habit of using ~isempty(find(strcmp(thisstring,cellarrayofstrings))) in place of is...

6 years ago | 1 answer | 0

1

answer

Question

Speed of masked matrix operations in 'single' vs 'double'
I've been going through a lot of my tools and trying to make things faster and reduce memory use. I know that using double-prec...

8 years ago | 2 answers | 2

2

answers

Question

Formatting text description for FEX submission
I don't recall anyone else mentioning this, but it seems to be a recurring problem for me. I update my FEX submissions as they ...

8 years ago | 1 answer | 3

1

answer

Submitted

Plot Superquadratic Surfaces
This is a pair of functions for plotting general superellipsoids and supertoroids

8 years ago | 539 downloads |

5.0 / 5

Question

How to zoom out further (using image/imshow)
I have been working on a set of GUI tools that incorporate one or more axes for image viewing. One frustration has always been ...

10 years ago | 1 answer | 0

1

answer

Question

How long is too long for function help text?
I have a function with about a hundred listed operating modes, accepted parameter ranges for each, and a fair chunk of explanati...

10 years ago | 2 answers | 2

2

answers

Question

GUIDE gui compatibility between 2015b and 2009b
I have been working on a gui tool using GUIDE in 2009b and it has been functional in that environment. After making a trivial g...

10 years ago | 1 answer | 0

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answer

Answered
Reading animated gif with imread() produces unexpected results
To anyone who googled this, it's an old (fixed) <https://www.mathworks.com/support/bugreports/813126 bug> . Closing question....

11 years ago | 1

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Question

Reading animated gif with imread() produces unexpected results
My attempt at using imread() to read an animated gif (itself created with imwrite()) produces incorrect output: function ou...

11 years ago | 1 answer | 1

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