Dot indexing is not supported for variables of this type: Error message after Matlab startup.

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Jakub Jon 2020-7-15

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https://ww2.mathworks.cn/matlabcentral/answers/565493-dot-indexing-is-not-supported-for-variables-of-this-type-error-message-after-matlab-startup

评论： Walter Roberson 2020-7-20

采纳的回答： Jakub Jon

在 MATLAB Online 中打开

I am recieving error message:

Dot indexing is not supported for variables of this type.
Error in rmiml.getAll
and 
Error in matlab.internal.codingui.warmupProgrammingAids

straight after start up..

When I try to run imshow() the same error appers again and no figure is generated.

Dot indexing is not supported for variables of this type.
Error in imshow (line 269)
    style = s.matlab.imshow.InitialMagnificationStyle.ActiveValue;

Now I use Matlab 2020a but I had the same problem with Matlab 2017. But 2017 worked well some time ago...

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Jakub Jon 2020-7-16

在 MATLAB Online 中打开

ok output is:

>> which -all isrow
built-in (C:\Program Files\MATLAB\R2017b\toolbox\matlab\elmat\isrow)
isrow is a built-in method                                                    % string method
C:\Program Files\MATLAB\R2017b\toolbox\matlab\datatypes\@categorical\isrow.m  % categorical method
C:\Program Files\MATLAB\R2017b\toolbox\matlab\bigdata\@tall\isrow.m           % tall method

is there anything I can do?