Undefined function 'imhistc' for input arguments of type 'uint8'.

Im trying to get the histogram of an image using imhist. however its showing the above error? i tried which imhistc and its not found. Im using matlab R2016

[Akshay]

I face the same problem. Canny edge detector as it, like imhist, depends on the function imhistc, which is somehow not present in our computers.