You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: bisect.m
    path of file: ./repos/SuiteSparse/CHOLMOD/MATLAB
    
    the code of the file until where you have to start completion: function p = bisect (A, mode)                                         %#ok
%BISECT computes a node separator based on METIS_ComputeVertexSeparator.
%

    
function p = bisect (A, mode)                                         %#ok
%BISECT computes a node separator based on METIS_ComputeVertexSeparator.
%
%   Example:
%   s = bisect(A)       bisects A. Uses tril(A) and assumes A is symmetric
%   s = bisect(A,'sym') the same as p=bisect(A)
%   s = bisect(A,'col') bisects A'*A
%   s = bisect(A,'row') bisects A*A'
%
% A must be square for p=bisect(A) and bisect(A,'sym').
%
% s is a vector of length equal to the dimension of A, A'*A, or A*A',
% depend