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Matt J


Last seen: Today 2010 年からアクティブ

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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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質問


Adding autocomplete to methods()
I am trying to enable command-line autocomplete for various personal mfiles as well as for Matlab's native methods. For this pur...

約7時間 前 | 0 件の回答 | 0

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How to modify Find Files GUI file size threshold
After consulting Tech Support, I have learned that the field will re-enable if non-empty text is entered into the "Find Files co...

1日 前 | 1

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質問


How to modify Find Files GUI file size threshold
In the "Find Files" GUI there is a "Skip files over" field that sets an upper limit on the file size to include in the search. F...

2日 前 | 1 件の回答 | 0

1

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How Can Short-Circuiting Logical Operators &&, II be Overloaded in a Classdef?
You can't overload && or || directly. It would make their common usage less efficient if the parser had to check the class of al...

3日 前 | 0

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anonymous function with rng call inside
rng('default') T= rand(1,10); t=1:15; T(ceil(t/10)) ans = Columns 1 through 9 0.8147 0.8147 0.8147 ...

4日 前 | 0

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anonymous function with rng call inside
function y=f(t) rng(ceil(t/10)); y=rand(1); end

4日 前 | 0

回答済み
Neural Network with custom performance function
If you are using trainnet, the lossFcn input argument lets you supply a custom loss function explicitly, https://www.mathworks....

8日 前 | 0

回答済み
Histogram gives a wrong result?
Due to the floating number? Correct. There is no reason to expect exact boundaries, or for data to fall exactly within those bo...

9日 前 | 0

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Get back find in files interface from before 2025b
This search and replace app from the File Exchange might be worth considering as a possible substitute, https://www.mathworks.c...

20日 前 | 0

回答済み
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...

24日 前 | 0

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Help with this triple 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...

24日 前 | 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...

24日 前 | 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...

29日 前 | 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...

約1ヶ月 前 | 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...

約1ヶ月 前 | 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(...

約1ヶ月 前 | 1

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

約1ヶ月 前 | 1

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質問


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,...

約2ヶ月 前 | 1 件の回答 | 2

1

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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...

約2ヶ月 前 | 0

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質問


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...

約2ヶ月 前 | 2 件の回答 | 0

2

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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...

約2ヶ月 前 | 0

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質問


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...

約2ヶ月 前 | 1 件の回答 | 0

1

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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.

約2ヶ月 前 | 0

質問


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...

2ヶ月 前 | 1 件の回答 | 0

1

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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...

2ヶ月 前 | 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...

2ヶ月 前 | 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...

2ヶ月 前 | 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...

2ヶ月 前 | 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...

2ヶ月 前 | 1

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

2ヶ月 前 | ダウンロード 1 件 |

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