線素、面素、体積素。
勾配、発散、回転。
ナブラ記号。
<dV/>
<dS/>
<dl/>
<gradient/>
<divergence/>
<rotation/>
<textgrad/>
<textdiv/>
<textrot/>
<nabra/>
<int><sub>V</sub></int> <divergence/><vec>f</vec> <dV/>
=
<oint><sub>∂V</sub></oint> <vec>f</vec>・<dS/>
,
<int><sub>S</sub></int> <rotation/><vec>f</vec>・<dS/>
=
<oint><sub>∂S</sub></oint> <vec>f</vec>・<dl/>
,
<d/>f
=
<gradient/>f
・<dl/>,
<gradient/> = <textgrad/>,
<divergence/> = <textdiv/>,
<rotation/> = <textrot/>,
<nabra/>
∫ ∇・
f dV
=
∮ f・
dS
,
∫ ∇×
f・
dS
=
∮ f・
dl
,
df
=
∇f
・
dl,
∇ =
grad,
∇・ =
div,
∇× =
rot,
∇
<xsl:template match="ufcpp:dV">
<span class="normal">d</span>V
</xsl:template>
<xsl:template match="ufcpp:dS">
<span class="normal">d</span><span class="vector">S</span>
</xsl:template>
<xsl:template match="ufcpp:dl">
<span class="normal">d</span><span class="vector">l</span>
</xsl:template>
<xsl:template match="ufcpp:gradient">
<span class="vector">∇</span>
</xsl:template>
<xsl:template match="ufcpp:divergence">
<span class="vector">∇</span>・
</xsl:template>
<xsl:template match="ufcpp:rotation">
<span class="vector">∇</span>×
</xsl:template>
<xsl:template match="ufcpp:textgrad">
<span class="normal">grad</span>
</xsl:template>
<xsl:template match="ufcpp:textdiv">
<span class="normal">div</span>
</xsl:template>
<xsl:template match="ufcpp:textrot">
<span class="normal">rot</span>
</xsl:template>
<xsl:template match="ufcpp:nabra">
<span class="vector">∇</span>
</xsl:template>
span.normal
{
font-weight:normal;
font-style:normal;
}