function [ value ] = get_value_from_arrs( X,Y, x_var )
%GET_VALUE_FROM_ARRS Summary of this function goes here
%   Detailed explanation goes here
len = size(X);

for k = 1:1:len-1
    if (x_var >= X(k)) && (x_var < X(k+1)) 
        value = Y(k);
    end
end

end