Error:Undefined function or method 'gpuArray' for input arguments of type 'uint8'

Question

Octa 2013-7-6

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/81274-error-undefined-function-or-method-gpuarray-for-input-arguments-of-type-uint8

回答： David Huang 2022-1-24

When i used gpuArray while coding,

 originalI = imread('cameraman.tif');
 se = strel('disk',5);
 erodedI = imerode(gpuArray(originalI),se);
 figure, imshow(originalI), figure, imshow(erodedI)

It resulted in the following error

Undefined function or method 'gpuArray' for input arguments of type 'uint8'

What is the reason for this? Please tell me.

I am using MATLAB 2010a.

Thanks in advance

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Kaustubha Govind 2013-7-8

Not sure if the function existed in R2010a. What do you get when you run "which gpuArray"?

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Answer 1

Sean de Wolski 2013-7-8

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https://ww2.mathworks.cn/matlabcentral/answers/81274-error-undefined-function-or-method-gpuarray-for-input-arguments-of-type-uint8#answer_91145

gpuArray and GPU support was released in R2010b. If your company/university's SMS subscription is up to date, you can download the newest release at no additional cost.

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Answer 2

Ahmed 2013-7-6

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https://ww2.mathworks.cn/matlabcentral/answers/81274-error-undefined-function-or-method-gpuarray-for-input-arguments-of-type-uint8#answer_90979

gpuArray is a function of the 'Parallel Computing Toolbox'. Without this toolbox, the function can not be called. The command 'ver' lists all installed toolboxes.