ALL PERMUTATIONS OF SEQUENCE

Generates All Permutations of a sequence

% Syntax
% "b = allperm(n)" Generates all permutations of Sequence [1:n].
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% Input :
% n : Greatest Number in Sequence
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% Output :
% b : output as cell array
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% Example 1.
% b = allperm(2)
% b =
% {[1 2],[2 1]}
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% Example 2.
% b = allperm(3)
% b =
% {[1 2 3],[1 3 2],[2 1 3],[2 3 1],[3 1 2],[3 2 1]}
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% order may be different
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% Programmed By :
% - Sandeep Solanki
% - [e-mail]