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Ken Atwell

MathWorks

Last seen: Today 2011 以来アクティブ

Former product manager for MATLAB, but the company decided to trust me with the source code, so now I'm a developer.

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@-folder and functionSignatures.json
The documentation was improved for the R2020a release to clarify the location for class method JSON definitions; see the first f...

約1年 前 | 0

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how to store an output in a function (or bring out the stored output into the workspace) for n-number of model run
Assuming NSE is a scalar double (that is, a single number), When you call HYPE, you can append the NSE result to an (intially em...

2年弱 前 | 0

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How to only get certain parts of an Excel Spread using readcell?
Trying using the 'Range' option with readcell.

2年弱 前 | 0

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Not sure what exactly this sentence mean: "Locate the classpath.txt file for the MATLAB installation?"
Read on to the next sentence: "The location of this file can be found by typing the following command in MATLAB command window:...

2年弱 前 | 0

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Tab completion of struct within cell
If you can try the just-released R2019a, MATLAB will now tab completion in this situation.

2年以上 前 | 1

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Run script while changing different paths
You did not specify the error you see, but I can see a problem with the cd command. It only take one argument, but you are passi...

2年以上 前 | 0

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How do I run MATLAB from the mac terminal?
I do this: open /Applications/MATLAB_R2018b.app/

2年以上 前 | 2

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Why am I getting "Subscripted assignment dimension mismatch."
It looks like you're trying to create a 2D matrix of char(acter)s. For this to work, each char vector needs to be exactly the sa...

3年弱 前 | 1

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What is the format to write to a file not in the MATLAB directory.
This is a great question. I don't have a flash drive handy to try this, but you might need to mount the flash drive to make it a...

3年弱 前 | 0

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Matlab R2009b compatibiliity with Solaris 11
https://www.mathworks.com/content/dam/mathworks/mathworks-dot-com/support/sysreq/files/SystemRequirements-Release2009b_Solaris.p...

3年弱 前 | 0

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Why doesn't the callback I've written here seem to work? As far as I can tell all of my syntax is correct and I know that none of the pregenerated code has been altered. Thank's in advance!
The error message: Reference to non-existent field 'app'. is telling you that you are trying to access handles.app, that is, t...

3年弱 前 | 1

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Plotting matrices that don't have the same size
When calling plot, the length of the x,y pairs must be equal. Here is an example of a plot of x^2 with noise added, then then a ...

3年弱 前 | 0

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Sir my program howing a error. how to rectify the error.
The variable 'H' is used but does not exist. I see that you are trying to assign to 'H' in a loop above this failure, and I'll g...

3年弱 前 | 0

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Error using chdir ; cannot CD to (Name is nonexistent or not a directory) / permissions error
Writing to the root of your file system is a bad idea. Looking at this code, TAUPVC_RUNME_Create_ROIs_For_Rousset takes a numbe...

3年弱 前 | 0

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Particle tracking software error / "No appropriate method, property, or field 'addAll' for class 'msdanalyzer'."
The error message telling you that there is nothing called addAll in the class msdanalyzer. I don't know anything about this cla...

3年弱 前 | 1

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Suggestion/question: User-friendly tab auto-completions
Give the Live Editor a try in a new-ish release of MATLAB; I expect its auto-completion will behave more like you are hoping for...

3年弱 前 | 0

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Index exceeds array bounds error when trying to reach .tif images from file
Those backslashes are likely not really part of the folder name, but inserted by the Terminal program to escape spaces in the fo...

3年弱 前 | 1

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R2018a functionSignatures.json (user function tab complete) not working as documented outside of live-script
See the "comments" section for more discussion. In this particular case, the use of the argument name "options" is making the d...

約3年 前 | 0

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How to configure tab completion for my function in MATLAB 2016 ?
Note that, as of R2018a, this capability is documented and supported. See <https://www.mathworks.com/help/matlab/matlab_prog/cus...

約3年 前 | 3

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Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

5年弱 前

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Getting logical indexes
This is a basic MATLAB operation. It is for instructional purposes. --- Logical indexing works like this. thresh = 4...

5年弱 前

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Return elements unique to either input
Given two numeric inputs a and b, return a row vector that contains the numbers found in only a or only b, but not both. For ex...

5年弱 前

解決済み


Set the array elements whose value is 13 to 0
Input A either an array or a vector (which can be empty) Output B will be the same size as A . All elements of A equal to 13...

5年弱 前

解決済み


Replicate elements in vectors
Replicate each element of a row vector (with NaN) a constant number of times. Examples : n=2, A=[1 2 3] -> [1 1 2 2 3 3] n=0...

5年弱 前

解決済み


Find the largest value in the 3D matrix
Given a 3D matrix A, find the largest value. Example >> A = 1:9; >> A = reshape(A,[3 1 3]); >> islargest(A) a...

5年弱 前

解決済み


Check if number exists in vector
Return 1 if number _a_ exists in vector _b_ otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,...

5年弱 前

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Why can't I mex cpp with matlab?
MEX is working as expected. How old is this code? Xcode's compiler is alerting you to several risky programming patterns bei...

約5年 前 | 1

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Does anyone know how to run selection on mac?
Shift+F7. If you are on a lap, depending on your system preferences, you might need to add Fn to that chord (I do). As Jan sug...

5年以上 前 | 6

回答済み
Why did I get this error?
The function |deg2rag| was introduced in R2015b, according to the <http://www.mathworks.com/help/matlab/ref/deg2rad.html documen...

5年以上 前 | 0

回答済み
OS X 10.5.8 install
R2010b was the last release to support OS X 10.8: <http://www.mathworks.com/support/sysreq/release2010b/macintosh.html>

6年弱 前 | 0

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