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: MCFS_p.m
    path of file: ./repos/MatlabFunc/FeatureSelection
    
    the code of the file until where you have to start completion: function [FeaIndex,FeaNumCandi] = MCFS_p(fea,FeaNumCandi,options)
% MCFS: Feature Section for Multi Class/Cluster data
%
%       FeaIndex = MCFS_p(data,FeaNumCand
    
function = 5;
if isfield(options,'nUseEigenfunction')
   nUseEigenfunction = options.nUseEigenfunction;
end

k = 5;
if isfield(options,'k')
   k = options.k;
end

if isfield(options,'ratio')
    ratio = options.ratio;
else
    ratio = 1;
end

if isfield(options, 'NotEnoughNonZero')
    NotEnoughNonZero = options.NotEnoughNonZero;
else
    NotEnoughNonZero = 3;
end

if isfield(options,'gnd')
    if length(options.gnd) ~= nSmp
        error('gnd does not match!');
    else
        gnd = options.gnd;
    end
    ClassLabel = unique(gnd);
    nClass = length(ClassLabel);
    
    rand('state',0);
    Y = rand(nClass,nClass);
    Z = zeros(nSmp,nClass);
    for i=1:nClass
        idx = find(gnd==ClassLabel(i));
        Z(idx,:) = repmat(Y(i,:),length(idx),1);
    end