ch12_09.htm

unix基础教程

<tr><td><tt class="literal">\(&lt;=</tt></td><td><img src="figs/le.gif" alt="Figure " /></td><td>Less than or equal to</td></tr>
<tr><td><tt class="literal">\(==</tt></td><td><img src="figs/equiv.gif" alt="Figure " /></td><td>Identically equal</td></tr>
<tr><td><tt class="literal">\(~~</tt></td><td><img src="figs/ap.gif" alt="Figure " /></td><td>Approximately equal</td></tr>
<tr><td><tt class="literal">\(ap</tt></td><td>~</td><td>Approximates</td></tr>
<tr><td><tt class="literal">\(!=</tt></td><td><img src="figs/ne.gif" alt="Figure " /></td><td>Not equal</td></tr>
<tr><td><tt class="literal">\(mu</tt></td><td>&#215;</td><td>Multiply</td></tr>
<tr><td><tt class="literal">\(di</tt></td><td>&#247;</td><td>Divide</td></tr>
<tr><td><tt class="literal">\(+-</tt></td><td>&#177;</td><td>Plus-minus</td></tr>
<tr><td><tt class="literal">\(cu</tt></td><td><img src="figs/cup.gif" alt="Figure " /></td><td>Cup (union)</td></tr>
<tr><td><tt class="literal">\(ca</tt></td><td><img src="figs/cap.gif" alt="Figure " /></td><td>Cap (intersection)</td></tr>
<tr><td><tt class="literal">\(sb</tt></td><td><img src="figs/sub.gif" alt="Figure " /></td><td>Subset of</td></tr>
<tr><td><tt class="literal">\(sp</tt></td><td><img src="figs/sup.gif" alt="Figure " /></td><td>Superset of</td></tr>
<tr><td><tt class="literal">\(ib</tt></td><td><img src="figs/sube.gif" alt="Figure " /></td><td>Improper subset</td></tr>
<tr><td><tt class="literal">\(ip</tt></td><td><img src="figs/supe.gif" alt="Figure " /></td><td>Improper superset</td></tr>
<tr><td><tt class="literal">\(if</tt></td><td><img src="figs/infin.gif" alt="Figure " /></td><td>Infinity</td></tr>
<tr><td><tt class="literal">\(pd</tt></td><td><img src="figs/part.gif" alt="Figure " /></td><td>Partial derivative</td></tr>
<tr><td><tt class="literal">\(gr</tt></td><td><img src="figs/nabla.gif" alt="Figure " /></td><td>Gradient</td></tr>
<tr><td><tt class="literal">\(no</tt></td><td>&#172;</td><td>Not</td></tr>
<tr><td><tt class="literal">\(is</tt></td><td><img src="figs/int.gif" alt="Figure " /></td><td>Integral sign</td></tr>
<tr><td><tt class="literal">\(pt</tt></td><td><img src="figs/prop.gif" alt="Figure " /></td><td>Proportional to</td></tr>
<tr><td><tt class="literal">\(es</tt></td><td><img src="figs/empty.gif" alt="Figure " /></td><td>Empty set</td></tr>
<tr><td><tt class="literal">\(mo</tt></td><td><img src="figs/isin.gif" alt="Figure " /></td><td>Member of</td></tr>
<tr><td><tt class="literal">\(or</tt></td><td>|</td><td>Or</td></tr>
</table><p>

<a name="unut-ch-12-sect-9.1" /><div class="sect2"><h3 class="sect2">12.9.1. Greek Characters</h3><p>Characters with equivalents as uppercase English letters are
available on the standard fonts; otherwise, the characters in
<a href="ch12_09.htm#unut-ch-12-tab-6">Table 12-5</a> exist
only on the special font.</p>

<a name="unut-ch-12-tab-6" /><h4 class="objtitle">Table 12-5. Greek Characters</h4><table border="1" cellpadding="3">
<tr><th>Input</th><th>Char</th>
<th>Char Name</th><th>Input</th><th>Char</th><th>Char Name</th></tr>

<tr><td><tt class="literal">\(*a</tt></td><td><img src="figs/alpha.gif" alt="Figure " /></td>
<td>alpha</td><td><tt class="literal">\(*A</tt></td><td>A</td><td>ALPHA</td></tr>
<tr><td><tt class="literal">\(*b</tt></td><td><img src="figs/beta.gif" alt="Figure " /></td>
<td>beta</td><td><tt class="literal">\(*B</tt></td><td>B</td><td>BETA</td></tr>
<tr><td><tt class="literal">\(*g</tt></td><td><img src="figs/gamma.gif" alt="Figure " /></td>
<td>gamma</td><td><tt class="literal">\(*G</tt></td><td><img src="figs/ggamma.gif" alt="Figure " /></td><td>GAMMA</td></tr>
<tr><td><tt class="literal">\(*d</tt></td><td><img src="figs/delta.gif" alt="Figure " /></td>
<td>delta</td><td><tt class="literal">\(*D</tt></td><td><img src="figs/delta.gif" alt="Figure " /></td><td>DELTA</td></tr>
<tr><td><tt class="literal">\(*e</tt></td><td><img src="figs/U03B5.gif" alt="Figure " /></td>
<td>epsilon</td><td><tt class="literal">\(*E</tt></td><td>E</td><td>EPSILON</td></tr>
<tr><td><tt class="literal">\(*z</tt></td><td><img src="figs/zeta.gif" alt="Figure " /></td>
<td>zeta</td><td><tt class="literal">\(*Z</tt></td><td>Z</td><td>ZETA</td></tr>
<tr><td><tt class="literal">\(*y</tt></td><td><img src="figs/eta.gif" alt="Figure " /></td>
<td>eta</td><td><tt class="literal">\(*Y</tt></td><td>H</td><td>ETA</td></tr>
<tr><td><tt class="literal">\(*h</tt></td><td><img src="figs/U03B8.gif" alt="Figure " /></td>
<td>theta</td><td><tt class="literal">\(*H</tt></td><td><img src="figs/U0398.gif" alt="Figure " /></td><td>THETA</td></tr>
<tr><td><tt class="literal">\(*i</tt></td><td><img src="figs/iota.gif" alt="Figure " /></td>
<td>iota</td><td><tt class="literal">\(*I</tt></td><td>I</td><td>IOTA</td></tr>
<tr><td><tt class="literal">\(*k</tt></td><td><img src="figs/kappa.gif" alt="Figure " /></td>
<td>kappa</td><td><tt class="literal">\(*K</tt></td><td>K</td><td>KAPPA</td></tr>
<tr><td><tt class="literal">\(*l</tt></td><td><img src="figs/lambda.gif" alt="Figure " /></td>
<td>lambda</td><td><tt class="literal">\(*L</tt></td><td><img src="figs/llambda.gif" alt="Figure " /></td><td>LAMBDA</td></tr>
<tr><td><tt class="literal">\(*m</tt></td><td><img src="figs/mu.gif" alt="Figure " /></td>
<td>mu</td><td><tt class="literal">\(*M</tt></td><td>M</td><td>MU</td></tr>
<tr><td><tt class="literal">\(*n</tt></td><td><img src="figs/nu.gif" alt="Figure " /></td>
<td>nu</td><td><tt class="literal">\(*N</tt></td><td>N</td><td>NU</td></tr>
<tr><td><tt class="literal">\(*c</tt></td><td><img src="figs/xi.gif" alt="Figure " /></td>
<td>xi</td><td><tt class="literal">\(*C</tt></td><td><img src="figs/xxi.gif" alt="Figure " /></td><td>XI</td></tr>
<tr><td><tt class="literal">\(*o</tt></td><td><img src="figs/U03BF.gif" alt="Figure " /></td>
<td>omicron</td><td><tt class="literal">\(*O</tt></td><td>O</td><td>OMICRON</td></tr>
<tr><td><tt class="literal">\(*p</tt></td><td><img src="figs/pi.gif" alt="Figure " /></td>
<td>pi</td><td><tt class="literal">\(*P</tt></td><td><img src="figs/ppi.gif" alt="Figure " /></td><td>PI</td></tr>
<tr><td><tt class="literal">\(*r</tt></td><td><img src="figs/rho.gif" alt="Figure " /></td>
<td>rho</td><td><tt class="literal">\(*R</tt></td><td>P</td><td>RHO</td></tr>
<tr><td><tt class="literal">\(*s</tt></td><td><img src="figs/sigma.gif" alt="Figure " /></td>
<td>sigma</td><td><tt class="literal">\(*S</tt></td><td><img src="figs/ssigma.gif" alt="Figure " /></td><td>SIGMA</td></tr>
<tr><td><tt class="literal">\(ts</tt></td><td><img src="figs/sfgr.gif" alt="Figure " /></td>
<td>terminal sigma</td><td></td><td></td><td>&nbsp;</td></tr>
<tr><td><tt class="literal">\(*t</tt></td><td><img src="figs/tau.gif" alt="Figure " /></td>
<td>tau</td><td><tt class="literal">\(*T</tt></td><td>T</td><td>TAU</td></tr>
<tr><td><tt class="literal">\(*u</tt></td><td><img src="figs/U03C5.gif" alt="Figure " /></td>
<td>upsilon</td><td><tt class="literal">\(*U</tt></td><td><img src="figs/U03A5.gif" alt="Figure " /></td><td>UPSILON</td></tr>
<tr><td><tt class="literal">\(*f</tt></td><td><img src="figs/phi.gif" alt="Figure " /></td>
<td>phi</td><td><tt class="literal">\(*F</tt></td><td><img src="figs/pphi.gif" alt="Figure " /></td><td>PHI</td></tr>
<tr><td><tt class="literal">\(*x</tt></td><td><img src="figs/chi.gif" alt="Figure " /></td>
<td>chi</td><td><tt class="literal">\(*X</tt></td><td>X</td><td>CHI</td></tr>
<tr><td><tt class="literal">\(*q</tt></td><td><img src="figs/psi.gif" alt="Figure " /></td>
<td>psi</td><td><tt class="literal">\(*Q</tt></td><td><img src="figs/ppsi.gif" alt="Figure " /></td><td>PSI</td></tr>
<tr><td><tt class="literal">\(*w</tt></td><td><img src="figs/omega.gif" alt="Figure " /></td>
<td>omega</td><td><tt class="literal">\(*W</tt></td><td><img src="figs/oomega.gif" alt="Figure " /></td><td>OMEGA</td></tr>
</table><p>
</div>


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