What is wrong here?

[Vic Norton]

From an interactive session:

octave> invIndices(1:3)
ans =

  234
  218
  215

octave> for i = invIndices(1:3)'
>  printf ("%3u: %s\n", i, dates(i, :));
>  endfor
234: 15-May-2000
218: 04-Sep-2000
215: 25-Sep-2000

octave> for i = invIndices(1:3)
>  printf ("%3u: %s\n", i, dates(i, :));
>  endfor
234: warning: implicit conversion from matrix to string
???
218: 102545---MSSaeeypp---222000000000

What is wrong with using the column vector invIndices(1:3) as an 
index set? Why does it foul up the date array?

I am using GNU Octave, version 2.1.57 (powerpc-apple-darwin7.3.0).



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