Re: Avoiding Null output marker from a function
- To: mathgroup at smc.vnet.net
- Subject: [mg92418] Re: [mg92388] Avoiding Null output marker from a function
- From: Curtis Osterhoudt <cfo at lanl.gov>
- Date: Tue, 30 Sep 2008 21:49:14 -0400 (EDT)
- Organization: LANL
- References: <200809301135.HAA22030@smc.vnet.net>
- Reply-to: cfo at lanl.gov
If Null always shows up as a "multiplier" (as it does in this example), then perhaps the easiest is to just say
myList/.Null->1
which will replace all those Nulls (to any real power) with unity.
In[641]:= {-0.00005337553998992267` Null^3,
5000.147261086986` Null^3} /. {Null -> 1}
Out[641]= {-0.0000533755, 5000.15}
Hope that helps!
C.O.
On Tuesday 30 September 2008 05:35:30 amannuc1 wrote:
> Dear Mathematica community,
>
> I am having difficulties that the documentation has not resolved to
> date for me. It is this:
>
> I have defined a function in a Mathematica notebook and then saved it
> as text to include it in a package. The package currently contains two
> functions. The function of interest returns a 2-element list. The
> numbers the function computes appears to be OK, but an annoying
> "Null^3" is appended, presumably as a placeholder for supressed
> output. Something like:
>
> \!\({\(-0.00005337553998992267`\)\ Null\^3, 5000.147261086986`\ Null
> \^3}\)
>
> I would like to eliminate that from the output. When I run the
> function from the notebook, no such 'Null's are seen. The function
> consists of several steps, intermediate variables, a call to FindRoot,
> etc. Semicolons separate these steps, as required.
>
> Your help is greatly appreciated.
>
> -Tony
>
>
--
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Curtis Osterhoudt
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- References:
- Avoiding Null output marker from a function
- From: amannuc1 <Anthony.J.Mannucci@jpl.nasa.gov>
- Avoiding Null output marker from a function