 below),
 evaluate on a grid of points (p1 and p2), and apply the back-transformation.

 Disclaimer: I don't consider derivative estimation from noisy data
 to be a well-defined problem. Use at your own risk.

 Author: Catherine Loader

 NEED: m argument passed to lfmarg().</pre></div>

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<h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../../../up.png"></a></h2>
This function calls:
<ul style="list-style-image:url(../../../