error as input must be numeric

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FIR
FIR 2011-11-9
回答： Prateekshya 2024-9-2
walter i get this error
Error using ==> hist at 45 Input arguments must be numeric.
Error in ==> gra at 24 hist(month);
as per your code
hist(month);
set(gca,'XLabel', GD);

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回答（1 个）

Prateekshya
Prateekshya 2024-9-2
Hello @FIR,
This error will occur when "month" is not numeric, since "hist" function expects a numeric argument. To resolve this error, you need to use a numeric data type as an argument of "hist" function.
You may also explore "histogram" function as an alternative. Please find the link for the documentation of "histogram": https://www.mathworks.com/help/matlab/ref/matlab.graphics.chart.primitive.histogram.html
I hope this helps!

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