Matt J

Last seen: Today | Attivo dal 2010

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Professional Interests: medical image processing, optimization algorithms PLEASE NOTE: I do not read email sent through my author page. Please post questions about FEX submissions in their respective Comments section.

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Domanda

Has save() bug been fixed?
I have a user-defined object that is failing to save in R2024b, >> save testsave mgr Warning: Variable 'mgr' was not saved. Fo...

3 giorni fa | 1 risposta | 0

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When does distributing data improve computation time over overhead expense?
Are your parallel workers all on a single computer, or are they distributed across a cloud? If all of this is on a single comput...

4 giorni fa | 0

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How is the spectralConvolution1dLayer forward computation process performed
According to the doc you referenced, the convolution is performed with respect to the time dimension in that case, For time ser...

4 giorni fa | 0

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How to enable viewing workspace variables when hovering
If you upgrade to R2026a, you can recover the capability of viewing variable content in edit mode (in addition to debug mode). A...

6 giorni fa | 0

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Overwriting table columns with ()-indexing
Apparently, complete replacement of table columns can't be done via direct subsasgn indexing, so here is a function that will do...

6 giorni fa | 0

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Comma-separated assignment to a table variable
According to Tech support, it is not a bug, just something that wasn't implemented for tables. However, they see it as a legitim...

7 giorni fa | 1

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Custom deep learning layer: function with learnables
A custom deep learning layer, similar to functionLayer() but with learnable parameters.

8 giorni fa | 1 download |

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Domanda

How does numArgumentsFromSubscript work?
As an exercise, I am trying to overload the subsref method in my user-defined class myclass to support the assignment expression...

10 giorni fa | 0 risposte | 0

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Domanda

Comma-separated assignment to a table variable
The code below tests assignment by comma-separated expansion to a cell array in 3 different scenarios. In the specific case when...

10 giorni fa | 2 risposte | 0

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Domanda

Make memoized function calls recognize equivalent input sequences (and so avoid redundant cache entries)
In the demo below, we see that the memoized function func() executes twice out of the three times it is called. Ideally, it woul...

12 giorni fa | 1 risposta | 0

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Domanda

List all memoized function caches
I know that clearAllMemoizedCaches will clear all memoized function data, but what if I just want to list all existing memoized ...

12 giorni fa | 2 risposte | 0

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Domanda

Overwriting table columns with ()-indexing
Suppose I have two tables, T1=array2table(rand(5,3)) T2=array2table(char(randi([65,90],5,3)),Var={'Col1','Col2','Col3'}) ...

14 giorni fa | 3 risposte | 2

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Please help me to solve two nonlinear algebraic equations
syms L1 L2 eq1 = b5*L1^2 + (b9 + b7)*L1 + ... b6*L2^2 + b10*L2 + b8 == 0; eq2 = b27*L1^4 - b32*L1^3 + b33*L1^2 - b3...

16 giorni fa | 0

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Innerjoin when a table contains user-defined objects
Attached is a possible workaround. load testdata tableInner(Tleft,Tright)

16 giorni fa | 0

Domanda

Accessing a single GPU from different workers of a parpool thread pool
It used to be conventional wisdom that parfor does not play well together with gpuArray on a single-GPU system because differen...

16 giorni fa | 1 risposta | 0

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Domanda

Innerjoin when a table contains user-defined objects
I have two tables that I wish to innerjoin() according to the topThick and botThick columns, which are the same in both tables. ...

17 giorni fa | 2 risposte | 0

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every restart of Matlab path is lost
If you don't want to make the path permanent (using savepath), you can use a startup script to set the path at the beginning of ...

18 giorni fa | 1

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Possible to use box or violin plots, with unequal x and y axis spacing?
clear; close all, clc %%Instrument A yA=(1:9)*0.1; xA=randn(2*60, numel(yA))+15; %%Instrument B yB=[0.5,1]; xB=r...

19 giorni fa | 0

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Customized text modification buttons for the Matlab Editor
A pair of functions enabling simple, programmatic modification of Matlab Editor text. These can be used to make customized butto...

21 giorni fa | 1 download |

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Shortcut for zoom tool in figure
You haven't listed the version of Matlab you are using, but in any recent version you do not need to make a toolbar selection to...

21 giorni fa | 0

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Transfer shortcuts(favouritecommand) from 2017b to 2022b
Look for the set of .xml files in your prefdir that are NOT highlighted in yellow in the list below. These should be copied ov...

21 giorni fa | 0

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How to calculate the average value of a vector in MATLAB?
mean([10,20,30,40,50])

23 giorni fa | 0

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How deep network designer with neural network fitting
See here for an intro to Deep Network Designer, https://www.mathworks.com/help/deeplearning/gs/get-started-with-deep-network-de...

28 giorni fa | 0

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How to move selected variables to one side of a symbolic equation
syms c1 c2 c3 c4 c5 c6 c7 syms A B C M N O F eq = c1*A + c2*B + c3*C + c4*M + c5*N + c6*O + c7 == F; vars=[A,B,C].'; %...

30 giorni fa | 0

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How to move selected variables to one side of a symbolic equation
syms c1 c2 c3 c4 c5 c6 c7 syms A B C M N O F eq = c1*A + c2*B + c3*C + c4*M + c5*N + c6*O + c7 == F; vars=[A,B,C]; %se...

30 giorni fa | 0

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Orientation of Shell grid
Apply a 3x3 rotation matrix R to the tetrahderon which transforms the (0,0,0) to (1,1,1) edge so that it aligns with the z-axis...

30 giorni fa | 0

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Orientation of Shell grid
Obtain vertices for the complete, non-truncated cylinder Vcyl and the vertices Vtet for the tetrahedron containing it. Then, you...

30 giorni fa | 0

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How to do a polynomial fit to a dataset with an excluded term
Use mldivide, \ to solve the appropriate linear equations for the coefficients, coefficients=x(:).^[0,1,2,4] \ y(:);

circa un mese fa | 1

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Count number of true statements in a sequence until false, then check for the next true and repeat
Download this, https://www.mathworks.com/matlabcentral/fileexchange/78008-tools-for-processing-consecutive-repetitions-in-vecto...

circa un mese fa | 0

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Graphics argument validation for function in parfor loop
Second, is there any way to retain automatic argument validation for an axis object that plays nicely with parfor, in cases wher...

circa un mese fa | 1

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