Why do I get the error ''Unrecognized function or variable 'regimeNormalization'. Error in @(data)reg​imeNormali​zation(dat​a,centers,​centerstat​s)''

I am learning how ro do rul in this example

https://ww2.mathworks.cn/help/predmaint/ug/similarity-based-remaining-useful-life-estimation.html#SimilarityBasedRULExample-1

but in step 34

trainDataNormalized = cellfun(@(data) regimeNormalization(data, centers, centerstats), ...

trainData, 'UniformOutput', false);

I get tise error

Unrecognized function or variable 'regimeNormalization'. Error in @(data)regimeNormalization(data,centers,centerstats)

can any body help

Answer 1

[Asvin Kumar]

The helper function regimeNormalization is defined at the bottom of the example page.

[文强]

Thank you, I solved it!!!