質問

scrolling plot speed and axis jitter
I'd like to create auto-scrolling plots in which data scrolls by, automatically, as it gets collected (from a DAQ). Before worry...

7年弱前 | 1 件の回答 | 1

1

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質問

Working with large amounts of DAQ data - lessons learned?
I'm starting a project in which I'll be sampling at close to the maximum sampling rate of the NI-DAQ that I'm using (250 kS/s). ...

7年弱前 | 0 件の回答 | 1

0

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質問

What are the internal differences between Matlab strings and character arrays?
Matlab strings were introduced in 2016b presumably to make working with a string more similar to other languages, as compared to...

7年弱前 | 4 件の回答 | 5

4

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質問

timer causes drawing problem when loading a figure
When running a GUI that has a timer callback, I notice that loading other GUI figures often fails (incorrect rendering). Is this...

約7年前 | 1 件の回答 | 0

1

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質問

Best practices for mex coding
Hi all, As I'm starting to include mex code in my code library I find myself unaware of what some best practices may be when ...

約7年前 | 1 件の回答 | 5

1

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質問

order of variable deletion and creation
Is the order in which the left hand side is deleted and the right hand side executed defined? i.e. output = createNewOut...

約7年前 | 3 件の回答 | 0

3

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質問

editor occasionally unresponsive on macbook
I'm on a new macbook running 10.12.3 and occasionally, typically when opening the laptop, the editor is unresponsive to mouse cl...

7年以上前 | 2 件の回答 | 0

2

回答

質問

Unable to clear mex file
I'm compiling a mex file and then moving it up a directory so that it is in the Matlab path. The movefile command fails with the...

7年以上前 | 1 件の回答 | 1

1

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回答済み
Get next plot color
In newer versions of Matlab the state is stored in the axes as 'ColorOrderIndex'. In 2016b, this wraps, and you can get values f...

7年以上前 | 1

回答済み
Why is it sometimes impossible to save the pathdef in 2014a?
A colleague of mine was having this issue. I was going to suggest to them that they edit their startup.m file to add all the pat...

8年弱前 | 3

回答済み
Get a subset of a structure array in mex
This is the code I ended up using. At the end of the day I essentially wanted to have an object "template" (i.e. field names def...

8年弱前 | 0

| 採用済み

質問

Get a subset of a structure array in mex
Is it possible to get a subset of a structure array in mex? In other words, the mex equivalent of the following in Matlab: ...

8年弱前 | 3 件の回答 | 0

3

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質問

mxCreateStructArray and mxCreateStructMatrix field name memory management
I've been trying to find documentation on how the field names are managed with the structure creating functions in mex. Are the ...

8年弱前 | 1 件の回答 | 0

1

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質問

mexPrintf to standard error
Is it possible to direct the output of mexPrintf to standard error? I'd like something like in Matlab where you can do fprintf(2...

8年弱前 | 1 件の回答 | 0

1

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回答済み
Fill out zeros/NaN in array with next value
I'm not entirely sure how you are generating the output, but you should be able to do something like: I = find(isnan(data))...

8年弱前 | 0

回答済み
cputime not working as expected
cputime measures the # of clock cycles (summed across all threads) that the Matlab process has used since Matlab started. Units ...

8年弱前 | 1

| 採用済み

質問

cputime not working as expected
It seems like cputime does not work as advertised on Mac OSX 10.11.6 and Matlab 2016b or Windows 7 Matlab 2016a. cputime should ...

8年弱前 | 2 件の回答 | 0

2

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about using 'visual studio 2015 community' for compiler when we use 'mex' of command
This page links to supported compilers for previous releases (far right column): <https://www.mathworks.com/support/sysreq/prev...

8年弱前 | 0

回答済み
Using Visual Studio 2015 C++ as C/C++ compiler
The redistributable is not for compiling code. Per Microsoft: "The Visual C++ Redistributable Packages install run-time componen...

8年弱前 | 1

| 採用済み

質問

mxSetData to subset of mxArray
Is it possible, perhaps with a certain set of restrictions on what the user can do, to assign data to an mxArray which is a subs...

8年弱前 | 1 件の回答 | 0

1

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質問

mxAddField/mxGetField with unicode name
I am trying to write code that allows for arbitrary field names in Matlab structures. I thought I had a decent solution, based o...

8年弱前 | 1 件の回答 | 1

1

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質問

fast initialization of cell array of strings mex
I'm looking to initialize a cell array of strings in mex as quickly as possible from a long array of characters with an addition...

8年弱前 | 1 件の回答 | 1

1

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回答済み
How to find the Process ID (PID) in matlab
A .NET solution: name = 'excel'; %for example p = System.Diagnostics.Process.GetProcessesByName(name); if p.Length ==...

8年弱前 | 3

質問

do timer callbacks all execute in the same thread
I recently tried to start a timer, have the single-shot callback permanently execute, and then launch another timer further on d...

8年弱前 | 1 件の回答 | 1

1

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質問

Getting data from asychronous mex function.
I am calling a windows function SetWindowsHookEx() which takes in a pointer to a function that gets called asynchronously. I'm c...

8年弱前 | 2 件の回答 | 1

2

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回答済み
Set and get structure field with invalid name
I knew I had seen this somewhere before. Amro posted this link: <http://pastebin.com/j69kQEur> in the comments of this pos...

約8年前 | 0

| 採用済み

質問

Set and get structure field with invalid name
I'd like to get and set a structure with potentially invalid field names. Before digging into the mex myself I was wondering if ...

約8年前 | 3 件の回答 | 0

3

回答

質問

profiling mex using gprof in windows
I'm using TDM-GCC to compile a C mex program in Windows. I'd like to profile it using gprof or really any program that will prof...

8年以上前 | 1 件の回答 | 1

1

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質問

Profiling mex in Windows
What are my options if I'd like to profile a mex file in Windows. I'm open to trying a specific compiler/workflow. Thanks, J...

8年以上前 | 1 件の回答 | 0

1

回答

質問

retrieve variables from workspace that is being debugged
I'm writing some code that is meant to provide information about code I am writing, including when not running (file or base wor...

8年以上前 | 0 件の回答 | 1

0

回答