>> randi_test
14-Feb-2013 13:27:35

RANDI_TEST:
  MATLAB version
  Test the MATLAB RANDI function.

RANDI_TEST01:
  In MATLAB, random integers are generated by calling RANDI:
  The maximum value is specified as IMAX.

  A = randi ( imax, 1 ) a random scalar value between 1 and IMAX.
  B = randi ( imax, 5, 1 ) a random column vector of 5 entries.
  C = randi ( imax, 1, 5 ) a random row vector of 5 entries.
  D = randi ( imax, 3, 4 ) a 3 by 4 random matrix.
  E = randi ( imax, 5 )    a 5 by 5 random matrix.

a =

     9


b =

     2
     9
     6
     1
     3


c =

     5     9     9     2     9


d =

     4     1     4     1
     2     2     4     4
     4     4     3     4


e =

     3     1     1     1     1
     4     3     4     2     2
     3     1     3     2     2
     2     2     2     4     3
     3     1     4     4     3


RANDI_TEST02:
  RANDI allows the user to specify the numeric range.

  A = randi ( [ 5,    10 ],  1, 1 ) a random scalar value.
  B = randi ( [ 7,     8 ], 10, 1 ) a random column vector of 5 entries.
  C = randi ( [ -1,   +1 ],  1, 5 ) a random row vector of 5 entries.
  D = randi ( [ -5,   +5 ],  3, 4 ) a 3 by 4 random matrix.
  E = randi ( [ 100, 200 ],  5, 5 ) a 5 by 5 random matrix.

a =

     9


b =

     7
     8
     8
     7
     7
     7
     8
     7
     8
     7


c =

     1    -1     0     1     1


d =

     5    -4    -3     5
     1    -3     3    -2
    -4     4    -3    -3


e =

   125   159   176   153   147
   162   155   138   178   101
   147   192   157   194   134
   135   128   107   113   116
   183   176   105   157   180


RANDI_TEST03:
  By setting the random number seed, you can control
  how the random number sequence begins.

  The command "rng ( 123456789 )" sets the seed to 123456789.

  Seed has been set to 123456789

  Now generate 5 random values.
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 51
  RANDI([1,100],1,1) = 72
  RANDI([1,100],1,1) = 26

  Seed has been reset to 123456789

  Now generate 5 more random values.
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 51
  RANDI([1,100],1,1) = 72
  RANDI([1,100],1,1) = 26

RANDI_TEST03:
  By setting the random number seed, you can control
  how the random number sequence begins.

  The command "rng ( 123456789 )" sets the seed to 123456789.

  Seed has been set to 987654321

  Now generate 5 random values.
  RANDI([1,100],1,1) = 8
  RANDI([1,100],1,1) = 22
  RANDI([1,100],1,1) = 47
  RANDI([1,100],1,1) = 63
  RANDI([1,100],1,1) = 62

  Seed has been reset to 987654321

  Now generate 5 more random values.
  RANDI([1,100],1,1) = 8
  RANDI([1,100],1,1) = 22
  RANDI([1,100],1,1) = 47
  RANDI([1,100],1,1) = 63
  RANDI([1,100],1,1) = 62

RANDI_TEST03:
  By setting the random number seed, you can control
  how the random number sequence begins.

  The command "rng ( 123456789 )" sets the seed to 123456789.

  Seed has been set to 123456789

  Now generate 5 random values.
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 51
  RANDI([1,100],1,1) = 72
  RANDI([1,100],1,1) = 26

  Seed has been reset to 123456789

  Now generate 5 more random values.
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 54
  RANDI([1,100],1,1) = 51
  RANDI([1,100],1,1) = 72
  RANDI([1,100],1,1) = 26

RANDI_TEST:
  Normal end of execution.

14-Feb-2013 13:27:35
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