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Chuck37


Rincon Research Corp

Last seen: 1 year 前 |  自 2012 起处于活动状态

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提问


How can I edit the data tip content via the user interface
I created a datatip on an image plot and it shows XY, index and RGB. When I choose to edit the datatip with the property inspec...

3 years 前 | 0 个回答 | 0

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How can I stop WindowButtonDownFcn callback from being activated when the zoom icon is clicked?
I have callback functions working for WindowButtonDownFcn as well as up and move. These work fine, but I discovered that if I c...

3 years 前 | 0 个回答 | 1

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Represent data as image using color amplitude and hue
I have 4D data, which is really 2D data with two properties for each location in the 2D array. I would like to represent this d...

3 years 前 | 1 个回答 | 0

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Why do the DIR and LS functions in MATLAB not sort numerical filenames in numerical order?
If you call the "ls" function in matlab, it will sort in the same way as linux does natively. You just get a big string for the...

4 years 前 | 0

提问


How can I clear stuck help popups?
2019a Matlab on Linux. Sometimes a help popup for a function (or similar) will pop up from the GUI and refuse to go away when i...

4 years 前 | 3 个回答 | 2

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提问


How to change certifcates for imread(url) ?
By default imread appears to send some canned certificates located in <root>/sys/certificates/ca/. These are causing me trouble...

4 years 前 | 0 个回答 | 0

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Why did imread() stop working when I changed to 2019a?
I have been using imread to get images from a server by putting requests into the URL argument: im = imread(url). Now I'm gett...

4 years 前 | 1 个回答 | 0

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Should "format compact" stick between sessions?
I didn't used to have to type "format compact" every single startup. After upgrading to 2019a, it doesn't stick. The same star...

4 years 前 | 1 个回答 | 0

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the interactive communicating job failed with no message
Trying to start a parallel pool in 2016b yields this error. I tried the distcomp.feature('LocalUseMpiexec',false) thing with no...

4 years 前 | 0 个回答 | 0

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Parfor variable cannot be classified
I'm completely stumped by my inability to use parfor for a simple problem. I've boiled it down to a ridiculous case. Can someo...

5 years 前 | 2 个回答 | 1

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Why does MATLAB truncate 3D plot?
I have a script to plot the earth in 3D which works fine, but if I zoom in I find that the earth globe becomes more and more tru...

5 years 前 | 0 个回答 | 0

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Plotting much slower in 2016b vs 2014a, not large # of markers.
I've seen a number of posts about relative slowness plotting large numbers of markers after 2014b, but in my case, I'm plotting ...

5 years 前 | 0 个回答 | 0

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Home license, multiple users on linux?
I have a home license and have had it installed on two computers (my laptop and another machine my kids use for school). I rece...

5 years 前 | 0 个回答 | 0

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How to prevent small lines from disappearing on zoom out?
I have a 2D curve that I am plotting as very small segments so I can change the color per segment. I have found that if I zoom ...

5 years 前 | 1 个回答 | 0

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提问


How do I do what aviread used to do using videoreader?
I upgraded Matlab and things that used to be easy are now much more complicated. I could rewrite movie2avi pretty quickly, but ...

5 years 前 | 2 个回答 | 0

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提问


Why do so few fonts work on plots?
If I use "listfonts" it shows a lot of available fonts, and "uisetfont" shows many of them working, but if I actually try to use...

5 years 前 | 0 个回答 | 0

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How can I tell how many cores matlab has available for batch jobs?
Parallel pools have defined numbers, but when I submit batch runs, how many will matlab run before queuing them up? I can't see ...

6 years 前 | 1 个回答 | 0

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Whenever I interactively try to change the color of a line on a plot, MATLAB hangs while attempting to open the menu.
I can right click and pick "color...", then it is obviously stuck in the background doing something. I can still type a command...

6 years 前 | 0 个回答 | 2

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Is it possible to disable or get warnings when using .* on mismatched vectors?
I've finally moved up from 2014b and I see there is a new feature(s) that lets you do math operations that would have previously...

6 years 前 | 1 个回答 | 0

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Can I get a handle to individual bars in barh?
I'd like to have a separate callback for each bar in a barh plot. Can I get an individual handle to each for this purpose? I t...

7 years 前 | 1 个回答 | 0

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How do I codegen rand() so the seed is set off the clock, or otherwise not the same every time?
How can use codegen to make executables that don't make the same random numbers every time? rng('shuffle') and clock() are both...

7 years 前 | 1 个回答 | 0

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Disp function with matlab coder
I'm experimenting with a simple hello world function to see how the coder works. disp('Hello world') The mex version works...

7 years 前 | 1 个回答 | 0

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python reload() function matlab 2014b
Not being able to reload edited python is a real drag. I hope they fix this soon. Restarting matlab takes too long to fit into...

9 years 前 | 0

提问


How to change contourf facealpha in 2014b ?
My current code grabs the children and changes their facealpha, but this no longer works in 2014b. I see I can dig down into "F...

9 years 前 | 0 个回答 | 0

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MATLAB seg fault during codegen
It's not unusual for codegen to generate code that will seg fault, but I now have a case where I get a seg fault during codegen ...

9 years 前 | 1 个回答 | 0

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提问


Can't open matlabpool ?
It used to work, but now if I type matlabpool(10) it fails. The error (can't paste it, on another network) says: Failed to o...

11 years 前 | 1 个回答 | 0

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提问


With codegen, what do integrity checks do?
I'm talking about the configuration setting when making mex files. I have a case where compiling without it causes occasional r...

11 years 前 | 0 个回答 | 0

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How to put print statements in MEX files generated with codegen?
I have a matlab function that I'm compiling into a MEX with codegen. I want to have some print statements in there, mostly beca...

11 years 前 | 1 个回答 | 0

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