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Ian


Last seen: 3 mois il y a |  Actif depuis 2014

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Stretching a rectangle over a date axis
There's a nice solution to drawing a semi-transparent colored rectangle over a plot at https://stackoverflow.com/questions/45266...

presque 5 ans il y a | 1

Question


customize user prompt in console window?
Is there a way to change the user prompt from ">>" in the Matlab console window? In linux systems, this can be done for the bas...

plus de 5 ans il y a | 1 réponse | 1

1

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Question


strrep is inconsistent with empty replacement strings
I have reported this as a bug. strrep responds differently when the replacement string is various flavors of empty. 'Proper' w...

plus de 5 ans il y a | 1 réponse | 0

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Question


How does copy-on-modify operate on structs and classes?
I understand that Matlab uses "copy-on-modify" so matrices, structs and class objects are only copied inside a function when the...

presque 6 ans il y a | 1 réponse | 2

1

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Question


inconsistency when comparing cell arrays with strings vs char array
Why does matlab not compare strings & char arrays the same way in aggregate as it does individually? >> type test_input.m fu...

presque 6 ans il y a | 2 réponses | 3

2

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Réponse apportée
How can I check whether an argument is given or not (inputParser)?
A bit late to the game here, but expanding on Sean de Wolski's brief suggestion, here is a code snippet that should satisfy. Th...

environ 6 ans il y a | 2

Réponse apportée
preallocate array without initializing
BL is apparently correct -- it can be done in a MEX file -- and I have located a functional solution on Matlab File Eschange: 3...

environ 6 ans il y a | 0

Réponse apportée
preallocate array without initializing
A little experimenting has determined the following: z = zeros(m,n); is apparently quite fast, but only helpful if one needs...

environ 6 ans il y a | 0

Question


preallocate array without initializing
Is there any way to preallocate a matrix without initializing it to either NaN's, zeros or ones? I'm working with large image...

environ 6 ans il y a | 5 réponses | 0

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Question


How to specify the output type of an fread(fid...) ?
fread(...) lets you specify the data type of the data to be read, but appears to always return the results in a matrix of double...

environ 6 ans il y a | 1 réponse | 0

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Why is an empty string not empty? isempty('') returns true, but isempty("") returns false
There have been many good suggestions above for workarounds for code going forward. Thanks all for your input. Having read and...

environ 7 ans il y a | 1

Réponse apportée
Why is an empty string not empty? isempty('') returns true, but isempty("") returns false
I think I'm going to submit this to MathWorks as a bug, and see what they say.

environ 7 ans il y a | 0

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Why is an empty string not empty? isempty('') returns true, but isempty("") returns false
Hmmm. I suppose one could override isempty(...) Attempting to view the code for isempty(), it shows no code, just comments, th...

environ 7 ans il y a | 1

Question


Why is an empty string not empty? isempty('') returns true, but isempty("") returns false
(Updated to clarify the problem) Strings, added in R2016b, are a great addition to matlab, but one aspect is a problem: test...

environ 7 ans il y a | 6 réponses | 3

6

réponses

Réponse apportée
Show memory options in Matlab working on Mac platform
Several cmdline tools for determining physical memory on Macs. I use: [status, cmdout]=system('sysctl hw.memsize | awk ''{prin...

plus de 7 ans il y a | 2

Réponse apportée
If else condition to determine if a year is a leap year
ndays = datenum(Y+1,0,0) - datenum(Y,0,0); isleap = ndays == 366;

plus de 8 ans il y a | 0

Réponse apportée
How to keep/use last used CURRENT DIR?
In Matlab R2015a for Mac OS X, this is a setting one can change in the preferences: Preferences | Matlab | General One can...

plus de 9 ans il y a | 0

Réponse apportée
Converting a date string to day of year
As Tursa's example implies, matlab datenum's are numeric timestamps (of type double) that can be subtracted (to get a relative o...

plus de 9 ans il y a | 1

Question


setting ColorOrderIndex before 1st line is drawn?
Per Matlab documentation "Why Are Plot Lines Different", we can reset the color order to restart by using (handle).ColorOrderIn...

plus de 9 ans il y a | 2 réponses | 0

2

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Question


how to use readtable with excel spreadsheets, skip extra header lines, and read to "end"?
readtable apparently doesn't support "HeaderLines" option for xls files. From documentation, it does support reading ranges lik...

presque 10 ans il y a | 1 réponse | 4

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Question


Why does R2015a ask for permisson to accept incoming connections?
Have just installed R2015a on OS X yosemite, and on startup, it asks whether I want to allow matlab to accept incoming connectio...

presque 10 ans il y a | 1 réponse | 0

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Question


How to open files in separate windows in 2014A (Mac OS X version)?
2012 & earlier allowed me to open each file in a new editor window undocked -- i.e. it is own editor window. (I vaguely recall ...

plus de 10 ans il y a | 1 réponse | 0

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