I have just uploaded a new version of the DAVEfunc DTD to the DAVE-ML website, version 1.9b3, which adds a DSTO-suggested improvement. In addition to the DTD, the reference manual has an example of how to invoke the 'atan2' function and fixes documentation links.


The main change to the DTD is addition of 'discrete' as a supported interpolation method for tabular data, yielding a stair-step response from such a function. This came from a suggestion from Geoff Brian of Australia's DSTO.

The manual also contains an example of how to encode the 'atan2' four- quadrant arctangent function, which is not directly supported in MathML2 grammar.

-- Bruce

Bruce Jackson <[EMAIL PROTECTED]> Dynamic Systems & Control Branch
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More info about DAVE-ML:                       <http://daveml.nasa.gov>
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