Array indices must be positive integers or logical values!

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sarah Abdellahi 2019-5-9

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https://ww2.mathworks.cn/matlabcentral/answers/461188-array-indices-must-be-positive-integers-or-logical-values

评论： Star Strider 2019-5-9

I have trained a regression model and now want to use it and get this error "Array indices must be positive integers or logical values". Here is the code

[RPMpred]=PredictRPM1sec(Tab_Pred_RPM(:,1:5));

and hereis my input array to the model

suggestions?

Thanks

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Stephen23 2019-5-9

@sarah Abdellahi: please show us the complete error message. This means all of the red text.

sarah Abdellahi 2019-5-9

Thats the complete error message. Here is a photo

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Star Strider 2019-5-9

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https://ww2.mathworks.cn/matlabcentral/answers/461188-array-indices-must-be-positive-integers-or-logical-values#answer_374309

‘suggestions?’

For one, post more of your code so the line you posted has a context.

I suspect that ‘PredictRPM1sec’ is an array, not a function, and if your ‘input array’ is what you posted in the image, those will be interpreted as subscript references. Note that none of them are integers, and some of them are negative.