Re: beginner: function definition confusion

[John W. Eaton]

On 22-Apr-2005, Jeff Abrahamson <address@hidden> wrote:

| That was it: I didn't understand that I needed to quote the function
| name.  Thanks!

Or, I think you could pass a function handle (i.e., @avg).

| Can anyone motivate for me why the error message would be "blk
| undefined" (from inside avg) rather than "avg not found" or something?

Because arguments are evaluated before they are passed.  If the
argument is a function, it is called.  By quoting the function name,
you are passing the name of the function as a string, which is then
evaluated with feval inside the nlfilter function.

jwe



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