Matt J

Last seen: 1 día hace | Con actividad desde 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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Is delegated or department-level license administration possible?
If not, how are other universities or large organizations handling this? It's horrendous. Every time I want to upgrade my Matla...

2 días hace | 0

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Help with this tiple nested for loop
I don't know what you're trying to do with Ux, but U is just, U = cat(3, ... repelem(cat(3,A1,A2,A3,A4),1,1,6), ... r...

2 días hace | 0

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Classdef Static method calling builtin subsref instead of classdef subsref
With the newer modularized indexing, the overloaded indexing will be active inside the classdef. So, one option is to overload y...

2 días hace | 0

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Plotting fit lines on multiple sets of data in one plot - how to limit each of the fit lines start and end points?
From the documentation: plot(cfit,x,y) plots cfit together with a scatter plot of the data in x and y. The axes limits are give...

6 días hace | 0

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fmincon solver for nmpc applications
FMINCON's sqp algorithm does not accept a HessianFcn parameter. You would need to switch to either trust-region-reflective or in...

8 días hace | 0

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Can I return the xml string from writestruct?
You can't suppress file output, but you can use readlines and writelines to retrieve the file contents in string form and then m...

8 días hace | 0

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Handling outliers in Spray Angle calculations
This is one way you might clean things up: fnames={dir('*.bmp').name}; Bcell=cellfun(@cleanUp,fnames,'uni',0); tiledlayout(...

10 días hace | 1

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Graceful exit from a parfor loop
It sounds like a job for onCleanup.

20 días hace | 1

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Pregunta

gpuArray support for Optimization Toolbox solvers
I have wondered for a while why the OptimizationToolbox doesn't currently support gpuArray data types in its solvers (lsqnonlin,...

26 días hace | 1 respuesta | 2

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Input image rescaled to 0-1 using im2single for ImageNet models, will that result in wrong outputs?
Yes, probably. For all of these networks, the input layer normalization settings are 'zerocenter', which is not a scale invarian...

30 días hace | 0

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Pregunta

Sparse gpuArray indexing limitations
When trying to extract a sub-matrix of a sparse gpuArray, I get, >> S=gpuArray(sprand(100,100,0.1)); >> S(1:5,1:5) Sparse gpu...

alrededor de 1 mes hace | 2 respuestas | 0

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Pagemldivide returns incorrect results for complex gpuArrays
Looks like a bug to me. I would report it. Test Data Acpu=randn(20,10,2)+1j*randn(20,10,2); Bcpu=randn(20,10,2)+1j*randn(20,1...

alrededor de 1 mes hace | 0

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Does A(m:n) trigger the explicit creation of an index array (m:n)?
I was under the impression that in an indexing expression A(m:n) when A is a numeric vector, Matlab was smart enough to optimize...

alrededor de 1 mes hace | 1 respuesta | 0

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No more machine transfers available
If you're a license administrator, you can deactivate one of the installations from the License Center.

alrededor de 1 mes hace | 0

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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...

alrededor de 1 mes hace | 1 respuesta | 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...

alrededor de 1 mes hace | 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...

alrededor de 1 mes hace | 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...

alrededor de 1 mes hace | 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...

alrededor de 1 mes hace | 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...

alrededor de 1 mes hace | 1

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Enviada

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

alrededor de 1 mes hace | 1 descarga |

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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...

alrededor de 2 meses hace | 1 respuesta | 0

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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...

alrededor de 2 meses hace | 2 respuestas | 0

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Pregunta

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...

alrededor de 2 meses hace | 1 respuesta | 0

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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 ...

alrededor de 2 meses hace | 2 respuestas | 0

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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'}) ...

alrededor de 2 meses hace | 3 respuestas | 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...

alrededor de 2 meses hace | 0

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

alrededor de 2 meses hace | 0

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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...

alrededor de 2 meses hace | 1 respuesta | 0

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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. ...

alrededor de 2 meses hace | 2 respuestas | 0

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