function [matrix, matrixInfo] = pam10
%PAM10 substitution matrix in 1/2 bit units,
%   Expected score = -8.27, Entropy = 3.43 bits
%   Lowest score = -23, Highest score = 13
%
%   Order:
%   A  R  N  D  C  Q  E  G  H  I  L  K  M  F  P  S  T  W  Y  V  B  Z  X  *
%
%   [MATRIX,MATRIXINFO] = PAM10 returns a structure of information about
%   the matrix with fields Name, Scale, Entropy, ExpectedScore, LowestScore,
%   HighestScore and Order.

% Source:  ftp://ftp.ncbi.nih.gov/blast/matrices/
%   $Revision: 1.5 $ 

matrix = [...
    7 -10  -7  -6 -10  -7  -5  -4 -11  -8  -9 -10  -8 -12  -4  -3  -3 -20 -11  -5  -6  -6  -6 -23;...
  -10   9  -9 -17 -11  -4 -15 -13  -4  -8 -12  -2  -7 -12  -7  -6 -10  -5 -14 -11 -11  -7  -9 -23;...
   -7  -9   9  -1 -17  -7  -5  -6  -2  -8 -10  -4 -15 -12  -9  -2  -5 -11  -7 -12   7  -6  -6 -23;...
   -6 -17  -1   8 -21  -6   0  -6  -7 -11 -19  -8 -17 -21 -12  -7  -8 -21 -17 -11   7  -1  -9 -23;...
  -10 -11 -17 -21  10 -20 -20 -13 -10  -9 -21 -20 -20 -19 -11  -6 -11 -22  -7  -9 -18 -20 -13 -23;...
   -7  -4  -7  -6 -20   9  -1 -10  -2 -11  -8  -6  -7 -19  -6  -8  -9 -19 -18 -10  -6   7  -8 -23;...
   -5 -15  -5   0 -20  -1   8  -7  -9  -8 -13  -7 -10 -20  -9  -7  -9 -23 -11 -10  -1   7  -8 -23;...
   -4 -13  -6  -6 -13 -10  -7   7 -13 -17 -14 -10 -12 -12 -10  -4 -10 -21 -20  -9  -6  -8  -8 -23;...
  -11  -4  -2  -7 -10  -2  -9 -13  10 -13  -9 -10 -17  -9  -7  -9 -11 -10  -6  -9  -4  -4  -8 -23;...
   -8  -8  -8 -11  -9 -11  -8 -17 -13   9  -4  -9  -3  -5 -12 -10  -5 -20  -9  -1  -9  -9  -8 -23;...
   -9 -12 -10 -19 -21  -8 -13 -14  -9  -4   7 -11  -2  -5 -10 -12 -10  -9 -10  -5 -12 -10  -9 -23;...
  -10  -2  -4  -8 -20  -6  -7 -10 -10  -9 -11   7  -4 -20 -10  -7  -6 -18 -12 -13  -5  -6  -8 -23;...
   -8  -7 -15 -17 -20  -7 -10 -12 -17  -3  -2  -4  12  -7 -11  -8  -7 -19 -17  -4 -16  -8  -9 -23;...
  -12 -12 -12 -21 -19 -19 -20 -12  -9  -5  -5 -20  -7   9 -13  -9 -12  -7  -1 -12 -14 -20 -12 -23;...
   -4  -7  -9 -12 -11  -6  -9 -10  -7 -12 -10 -10 -11 -13   8  -4  -7 -20 -20  -9 -10  -7  -8 -23;...
   -3  -6  -2  -7  -6  -8  -7  -4  -9 -10 -12  -7  -8  -9  -4   7  -2  -8 -10 -10  -4  -8  -6 -23;...
   -3 -10  -5  -8 -11  -9  -9 -10 -11  -5 -10  -6  -7 -12  -7  -2   8 -19  -9  -6  -6  -9  -7 -23;...
  -20  -5 -11 -21 -22 -19 -23 -21 -10 -20  -9 -18 -19  -7 -20  -8 -19  13  -8 -22 -13 -21 -16 -23;...
  -11 -14  -7 -17  -7 -18 -11 -20  -6  -9 -10 -12 -17  -1 -20 -10  -9  -8  10 -10  -9 -13 -11 -23;...
   -5 -11 -12 -11  -9 -10 -10  -9  -9  -1  -5 -13  -4 -12  -9 -10  -6 -22 -10   8 -11 -10  -8 -23;...
   -6 -11   7   7 -18  -6  -1  -6  -4  -9 -12  -5 -16 -14 -10  -4  -6 -13  -9 -11   7  -3  -8 -23;...
   -6  -7  -6  -1 -20   7   7  -8  -4  -9 -10  -6  -8 -20  -7  -8  -9 -21 -13 -10  -3   7  -8 -23;...
   -6  -9  -6  -9 -13  -8  -8  -8  -8  -8  -9  -8  -9 -12  -8  -6  -7 -16 -11  -8  -8  -8  -8 -23;...
  -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23 -23   1;...
    ];


if nargout >1
    matrixInfo.Name = 'PAM10';
    matrixInfo.Scale = 1/2;
    matrixInfo.Entropy = 3.43 ;
    matrixInfo.ExpectedScore = -8.27;
    matrixInfo.LowestScore = -23;
    matrixInfo.HighestScore = 13;
    matrixInfo.Order = 'ARNDCQEGHILKMFPSTWYVBZX*';
end