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Question
"valid indices for 'a' are restricted in PARFOR loops" for unindexed struct?
For the following code: parfor k = 1:2 a.b = k; end I'm getting the error "valid indices for 'a'...
ungefär 6 år ago | 1 answer | 0
1
answerQuestion
Avoid refocusing editor to current line after error when debugging?
When debugging/building a functions/scripts, I'll often run blocks of edited code while execution is paused. Frequently, this re...
ungefär 6 år ago | 1 answer | 0
1
answerUndocumented behavior of smooth()?
From Mathworks support: _I have submitted an enhancement request for this to be considered and officially documented in futur...
nästan 7 år ago | 0
| accepted
Question
Undocumented behavior of smooth()?
*Update*: I submitted a support request for this issue, and it's been forwarded to the development and documentation teams. *...
nästan 7 år ago | 1 answer | 1
1
answerQuestion
Best way to keep sequential graphics-updating commands from interfering?
I've noticed that sometimes, performing multiple graphics-manipulating actions in immediate succession can lead to irregularitie...
ungefär 7 år ago | 1 answer | 1
1
answerQuestion
Generate comma separated list in single line of code?
I would like to put a piece of code within an expression which generates a comma separated list, *without* having to create a du...
ungefär 7 år ago | 4 answers | 0
4
answersQuestion
Index slice of ND array of unknown dimension
Let's say I have a 3D array A, and I want to remove a slice: A(i,:,:) = []; But what if I don't know the dimension of th...
ungefär 7 år ago | 1 answer | 0
1
answerQuestion
Calculation of Schur complement returns matrix which is not positive semidefinite
I'm trying to implement some basic Gaussian process regression. I know Matlab has functions that do this but I want to do a bit ...
mer än 7 år ago | 0 answers | 1
0
answersQuestion
Why is pca() faster than svd()?
The <https://www.mathworks.com/help/stats/pca.html documentation for the pca() function> says that 'svd' is the default algorith...
mer än 7 år ago | 1 answer | 0
1
answerFunction like text() but with auto placement like legend?
Here's another hack, based on a suggestion from Mathworks support. function hOut = AutoText(textString,varargin) l =...
mer än 7 år ago | 0
Question
Function like text() but with auto placement like legend?
Does such a function exist which simply addes some text to a plot, without having specify the x/y location, and without also add...
mer än 7 år ago | 5 answers | 0
5
answersQuestion
Hacky unconstrained vs. constrained numerical optimization
Short version: Why is unconstrained optimization with a constraint "hacked" into the objective function working while constraine...
mer än 7 år ago | 0 answers | 0
0
answersWhat is the rationale for letting DataAspectRatio (etc.) be inaccurate while stretch-to-fit is enabled?
From The Mathworks support: _The stretch-to-fill behavior is not taken into account in daspect when stretch-to-fill is on due...
mer än 7 år ago | 0
| accepted
How to get accurate DataAspectRatio when stretch-to-fit is enabled?
From Mathworks support: _The technique of setting bpaspect to manual and then back may be "safe" (although I wouldn't be surp...
mer än 7 år ago | 0
| accepted
Need help understanding stretch-to-fit associated behavior
Answer is <https://www.mathworks.com/help/matlab/ref/axes-properties.html?s_tid=srchtitle#property_d0e56952 here>. When LimitMod...
mer än 7 år ago | 0
| accepted
Question
How to get accurate DataAspectRatio when stretch-to-fit is enabled?
Matlab <https://www.mathworks.com/help/matlab/ref/daspect.html#bus0nbw documentation> states that when stretch-to-fill is enable...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
What is the rationale for letting DataAspectRatio (etc.) be inaccurate while stretch-to-fit is enabled?
Matlab <https://www.mathworks.com/help/matlab/ref/daspect.html#bus0nbw documentation> states that when stretch-to-fill is enable...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
Need help understanding stretch-to-fit associated behavior
Matlab <https://www.mathworks.com/help/matlab/ref/daspect.html#bus0nbw documentation> states that when stretch-to-fill is enable...
mer än 7 år ago | 1 answer | 0
1
answerQuestion
How to equalize width & aspect between axes?
I have two plots stacked vertically. In one, the x and y data have the same units, so I'm using "axes equal." In the second, x &...
nästan 8 år ago | 1 answer | 0
1
answerQuestion
Python in Matlab: accessing list of lists
I have some code that generates a Python list of Python lists. Unfortunately I don't seem to be able to access the contents. I g...
nästan 9 år ago | 1 answer | 0
1
answerQuestion
mdl object: put "F-statistic vs. constant model: ... , p-value = ..." into variable
fitlm() displays, among other things, the F-statistic and p-value for the fit as a whole. I can't find these values in the mdl o...
ungefär 9 år ago | 2 answers | 0
2
answersQuestion
finddelay returns identical value (0) for "best" and "worst" case.
I'm curious about what the reasoning could be for having finddelay() return 0 if no significant correlation is found. That means...
ungefär 9 år ago | 1 answer | 0
1
answerQuestion
Running Python script with oauth2 via matlab
I'm trying to run a Python script that updates a Google spreadsheet with values calculated with Matlab. I'm using the <https://g...
ungefär 9 år ago | 0 answers | 0
0
answersUpdate Python module in Matlab
Editing and reloading a Python® module in the same MATLAB session. To use an updated module, restart MATLAB. Also see: <htt...
ungefär 9 år ago | 0
| accepted
Question
Update Python module in Matlab
I'm trying to run a Python script using Matlab's built-in py. It's pretty simple, but I'm running into some difficulty drying to...
ungefär 9 år ago | 1 answer | 0
1
answerQuestion
Error importing matlab.engine into Python
I tried the solution from a <http://www.mathworks.com/matlabcentral/answers/221969-matlab-engine-for-python-import-failure previ...
ungefär 9 år ago | 1 answer | 0
1
answer-maxNumCompThreads, hyperthreading, and parpool
I was wrong about maxNumCompThreads not working on parpool workers. I think the problem was that the code I was using: parf...
nästan 10 år ago | 0
| accepted
Question
physical vs. logical core allocation for Matlab in slurm
I'm a user on a slurm cluster which is configured to consider each physical core to have two CPUs for allocation (via hyperthrea...
nästan 10 år ago | 1 answer | 0
1
answerQuestion
-maxNumCompThreads, hyperthreading, and parpool
I'm running Matlab R2014a on a node in a Linux cluster that has 20 cores and hyperthreading enabled. I know this has been discus...
nästan 10 år ago | 2 answers | 1