load .m file have error, please help

[Afsshl]

  for save time to type, I save simple program in .m file, it has no wrong if I type in at octave's command line, but have a lot of mistake if I load that from saved .m file

 

in 2.1.64  cygwin xp, please help

eric

 

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octave:1> load nl2.m
error: load: nl2.m: inconsistent number of columns near line 2
error: load: unable to extract matrix size from file `nl2.m'
octave:1> nl2.m
warning: function name `f' does not agree with function file name `/home/eric lin/nl2.m'
error: `x' undefined near line 1 column 25
error: evaluating binary operator `-' near line 1, column 24
error: evaluating binary operator `^' near line 1, column 30
error: evaluating binary operator `+' near line 1, column 32
error: evaluating binary operator `-' near line 1, column 39
error: evaluating assignment _expression_ near line 1, column 19
error: called from `nl2' in file `/home/eric lin/nl2.m'
octave:1>

 

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$ cat nl2.m
function z=f(x)  z=[(12-x(1))^2+x(2)^2-15^2, (16+x(2))^2+x(1)^2-25^2];
   endfunction

 

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