zation info every this many iterations
value of 0 means never write

Default = 1
</PRE>
<HR>
<H3>
<A NAME="_cch3_931277200">min style </A></H3>
<UL>
    <LI>
    hftn = Hessian-free truncated Newton method 
</UL>
<PRE>
choose minimization algorithm to use when &quot;minimize&quot; command is performed
currently, the hftn style is the only option available

Default = hftn
</PRE>
<HR>
<H3>
<A NAME="_cch3_931277212">minimize </A></H3>
<UL>
    <LI>
    1st parameter = stopping tolerance (in force units) 
    <