hash function giving error

the code

h = keyHash([1 2 3 4])

error

Unrecognized function or variable 'keyHash'.

I have copied the code from matlab site bit still not working

Answer 1

[Dyuman Joshi]

The function keyHash was introduced in R2022b. And since you are working with R2020b, the function does not exist in your MATLAB library.

You will need to upgrade your version to R2022b or newer versions to use keyHash().