position=findit(inmat, opt);

function position=findit(inmat, opt);
% To obtain the position of either the maximum or minimum element in a vector
%
% INMAT specifies the input matrix
% Use OPT specify your choice of obtaining a maximum or minimum
% Set OPT=1 when trying to obtain the maximum
% Set OPT=2 when trying to obtain the minimum
%
%
% Oluwadamilola (Damie) Martins Ogunbiyi
% University of Maryland College Park
% Department of Electrical and Computer Engineering
% Communications and Signal Processing
% 08-March-2010
% Copyright 2009-2010 Black Ace of Diamonds.

%% Check input arguments
if nargin>2
	error('Too many input arguments');
end

if opt<1 || opt>2
	error('Choose 1 for max, 2 for min');
end

%% Obtain the position of the maximum
if opt==1
	max_a=max(max(inmat));
	for i=1:size(inmat,1)
		for j=1:size(inmat,2)
			if inmat(i,j)==max_a
				position=[i,j];
			end
		end
	end
end

%% Obtain the position of the minimum
if opt==2
	min_a=min(min(inmat));
	for i=1:size(inmat,1)
		for j=1:size(inmat,2)
			if inmat(i,j)==min_a
				position=[i,j];
			end
		end
	end
end