How to solve error in regression learner models?.

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Ahmed Eltantawi 2023-10-29

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回答： Vatsal 2023-12-13

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Walter Roberson 2023-11-2

编辑：Walter Roberson 2023-11-7

Are you following https://www.mathworks.com/matlabcentral/answers/586109-how-to-extract-the-values-of-x-and-y-from-this-matlab-regression-models#answer_487049 ?

Ahmed Eltantawi 2023-11-7

@Walter Roberson yes i am following it, but i do not know where is the problem?.

Please can you help me to solve the error.

Thanks in advance

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Vatsal 2023-12-13

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Hi,

I understand that you want to find figures and axes objects within a MATLAB application and then retrieve the “XData” and “YData” from the axes objects.

The first error you are encountering, "Unrecognized method, property, or field 'Children' for class 'matlab.graphics.GraphicsPlaceholder'", is likely due to RLax being empty. The second error, "Input #2 expected to be a cell array, was double instead", indicates that the variable is a double when it was expected to be a cell array. To resolve this, you can use the function "num2cell" to convert "X" and "Y" to cell array.

To learn more about the usage and syntax of ‘num2cell’ function, you can refer to the MathWorks documentation links below:

https://in.mathworks.com/help/matlab/ref/num2cell.html

I hope this helps!