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 <o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
029"
  DrawAspect=3D"Content" ObjectID=3D"_1237579508">
 </o:OLEObject>
</xml><![endif]--></span><span style=3D'font-family:SimSun;mso-ascii-font-f=
amily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#12290;</span><=
/p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Rom=
an";
mso-hansi-font-family:"Times New Roman"'>&#35299;&#65306;</span><span
class=3DGramE><span lang=3DEN-US>f</span></span><span lang=3DEN-US> [x_]:=
=3DWhich[x&lt;0,x,x&gt;=3D0&amp;&amp;x&lt;2,Cos[x],x&gt;=3D4&amp;&amp;x&lt;=
6,x^2,True,1]</span></p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US><span
style=3D'mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </span>{<span
class=3DGramE>f</span> [-1],f [1],f [3],f [5]}</span></p>

<p class=3DMsoNormal style=3D'line-height:125%;vertical-align:top'><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#20363;</span><span lang=3DEN-US>6</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#65306;&#23450;&#20041;&#65306;</span><span class=3DGra=
mE><span
lang=3DEN-US>K[</span></span><span lang=3DEN-US>x_]:=3DWhich[x&gt;1,u=3D1,x=
&gt;3,v=3D2,x&gt;<span
class=3DSpellE>s,w</span>=3D3]</span></p>

<p class=3DMsoNormal style=3D'text-indent:27.0pt;line-height:125%;vertical-=
align:
top'><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Rom=
an";
mso-hansi-font-family:"Times New Roman"'>&#21017;</span><span lang=3DEN-US>=
<span
style=3D'mso-spacerun:yes'>&nbsp; </span>K[6]=3D1<span
style=3D'mso-spacerun:yes'>&nbsp; </span></span><span style=3D'font-family:=
SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>&#65288;&#32771;&#34385;&#20026;&#20160;&#20040;&#65311;&#65289;</spa=
n></p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>3</span><span style=3D'font-family:SimSun;mso-ascii=
-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#12289;</span><=
span
lang=3DEN-US>Switch</span><span style=3D'font-family:SimSun;mso-ascii-font-=
family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#35821;&#21477;=
&#32467;&#26500;</span></p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>Switch</span><span style=3D'font-family:SimSun;mso-=
ascii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#35821;&#21477;=
&#30340;&#19968;&#33324;&#24418;&#24335;&#20026;&#65306;</span></p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>Switch [</span><span style=3D'font-family:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>&#34920;&#36798;&#24335;&#65292;&#27169;&#24335;</span><span
lang=3DEN-US>1</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;&#34920;&#36798;&#24335;</=
span><span
lang=3DEN-US>1</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;&#27169;&#24335;</span><sp=
an
lang=3DEN-US>2</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;&#34920;&#36798;&#24335;</=
span><span
lang=3DEN-US>2</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;</span><span style=3D'font=
-family:
SimSun'>&#8230;&#65292;</span><span style=3D'font-family:SimSun;mso-ascii-f=
ont-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#27169;&#24335;=
</span><span
lang=3DEN-US>n</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;&#34920;&#36798;&#24335;</=
span><span
lang=3DEN-US>n]</span></p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Rom=
an";
mso-hansi-font-family:"Times New Roman"'>&#23558;&#34920;&#36798;&#24335;&#=
19982;&#27169;&#24335;</span><span
lang=3DEN-US>1</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#12289;&#27169;&#24335;</span><sp=
an
lang=3DEN-US>2</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;</span><span style=3D'font=
-family:
SimSun'>&#8230;&#65292;</span><span style=3D'font-family:SimSun;mso-ascii-f=
ont-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#27169;&#24335;=
</span><span
lang=3DEN-US>n</span><span style=3D'font-family:SimSun'>&#20381;&#27425;&#2=
0570;&#27604;&#36739;&#65292;&#32473;&#20986;&#31532;&#19968;&#20010;&#1998=
2;&#34920;&#36798;&#24335;&#21305;&#37197;&#30340;&#27169;&#24335;<span
class=3DSpellE><span lang=3DEN-US>i</span></span>&#23545;&#24212;&#30340;&#=
34920;&#36798;&#24335;<span
class=3DSpellE><span lang=3DEN-US>i</span></span>&#30340;&#20540;<span lang=
=3DEN-US>,</span>&#33509;&#22343;&#19981;&#21305;&#37197;&#65292;&#21017;&#=
36820;&#22238;&#21407;&#34920;&#36798;&#24335;&#12290;<span
lang=3DEN-US><o:p></o:p></span></span></p>

<p class=3DMsoNormal style=3D'line-height:125%;vertical-align:top'><span
style=3D'font-family:SimSun'>&#20363;</span><span lang=3DEN-US>7</span><span
style=3D'font-family:SimSun'>&#65306;</span><span lang=3DEN-US>g[x_]:=3DSwi=
tch[Mod[x,3],0,a,1,b,2,c]</span></p>

<p class=3DMsoNormal style=3D'text-indent:32.25pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>{<span class=3DGramE>g[</span>7],g[8],g[9]}</span><=
/p>

<p class=3DMsoNormal style=3D'text-indent:32.25pt;line-height:125%;vertical=
-align:
top'><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Rom=
an";
mso-hansi-font-family:"Times New Roman"'>&#32467;&#26524;&#20026;&#65306;</=
span><span
lang=3DEN-US>{<span class=3DSpellE><span class=3DGramE>b,</span>c,a</span>}=
</span></p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><b style=3D'mso-bidi-font-weight:normal'><span style=3D'font-family:Si=
mSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>&#65288;&#22235;&#65289;&#24490;&#29615;&#25511;&#21046;&#32467;&#265=
00;</span><span
lang=3DEN-US><o:p></o:p></span></b></p>

<p class=3DMsoNormal style=3D'text-indent:21.75pt;line-height:125%;vertical=
-align:
top'><span class=3DSpellE><span lang=3DEN-US>Mathematica</span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#25552;&#20379;&#20102;&#19977;&#31181;&#24490;&#29615;=
&#25511;&#21046;&#32467;&#26500;&#65306;</span><span
lang=3DEN-US>Do</span><span style=3D'font-family:SimSun;mso-ascii-font-fami=
ly:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#12289;</span><span lang=3DEN-US>=
While</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#21644;</span><span lang=3DEN-US>For</span></p>

<p class=3DMsoNormal style=3D'margin-left:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>1</span><span style=3D'font-family:SimSun;mso-ascii=
-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#12289;</span><=
span
lang=3DEN-US>Do</span><span style=3D'font-family:SimSun;mso-ascii-font-fami=
ly:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#35821;&#21477;&#32467;&#26500;</=
span></p>

<p class=3DMsoNormal style=3D'margin-left:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>Do[</span><span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#34920;&#36798;=
&#24335;&#65292;</span><span
lang=3DEN-US>{i,i0,i1,s}]</span><span style=3D'font-family:SimSun;mso-ascii=
-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65306;</span> =
<span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#24490;&#29615;&#21464;&#37327;</span><span class=3DSpe=
llE><span
lang=3DEN-US>i</span></span><span style=3D'font-family:SimSun;mso-ascii-fon=
t-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#20174;</span><=
span
lang=3DEN-US>i0</span><span style=3D'font-family:SimSun;mso-ascii-font-fami=
ly:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#21040;</span><span lang=3DEN-US>=
i1</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#65292;&#27599;&#27425;&#22686;&#21152;</span><span
lang=3DEN-US>s</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#65292;&#35745;&#31639;&#34920;&#=
36798;&#24335;&#30340;&#20540;&#65307;</span></p>

<p class=3DMsoNormal style=3D'margin-left:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>Do[</span><span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#34920;&#36798;=
&#24335;&#65292;</span><span
lang=3DEN-US>{i,i1}]</span><span style=3D'font-family:SimSun;mso-ascii-font=
-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65306;</span><=
span
lang=3DEN-US><span style=3D'mso-spacerun:yes'>&nbsp;&nbsp;&nbsp; </span>i0=
=3D1</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#27493;&#38271;&#20026;</span><span lang=3DEN-US>1</spa=
n><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#26102;&#30340;&#30465;&#30053;&#24418;&#24335;&#65307;=
</span></p>

<p class=3DMsoNormal style=3D'margin-left:21.75pt;line-height:125%;vertical=
-align:
top'><span lang=3DEN-US>Do[</span><span style=3D'font-family:SimSun;mso-asc=
ii-font-family:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#34920;&#36798;=
&#24335;&#65292;</span><span
lang=3DEN-US>{n}]</span><span style=3D'font-family:SimSun;mso-ascii-font-fa=
mily:
"Times New Roman";mso-hansi-font-family:"Times New Roman"'>&#65306;</span><=
span
lang=3DEN-US><span style=3D'mso-spacerun:yes'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</span></span><span style=3D'font-family:SimSun;mso-ascii-font-family:"Time=
s New Roman";
mso-hansi-font-family:"Times New Roman"'>&#35745;&#31639;&#34920;&#36798;&#=
24335;</span><span
lang=3DEN-US>n</span><span style=3D'font-family:SimSun;mso-ascii-font-famil=
y:"Times New Roman";
mso-hansi-font-family:"Times New Roman"'>&#27425;&#65307;</span></p>

<p class=3DMsoNormal style=3D'margin-left:194.25pt;text-indent:-173.25pt;
line-height:125%;vertical-align:top'><span lang=3DEN-US>Do[</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#34920;&#36798;&#24335;&#65292;</span><span lang=3DEN-U=
S>{i,i0,i1,is}</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#65292;</span><span lang=3DEN-US>{j,j0,j1,js}]</span><s=
pan
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#65306;</span> <span class=3DSpellE><span lang=3DEN-US>=
i</span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#20174;</span><span lang=3DEN-US>i0</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#21040;</span><span lang=3DEN-US>i1</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#25353;&#27493;&#38271;</span><span lang=3DEN-US>is</sp=
an><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#36882;&#22686;&#65292;</span><span lang=3DEN-US>j</spa=
n><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#20174;</span><span lang=3DEN-US>j0</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>&#21040;</span><span lang=3DEN-US>j1</span><span
style=3D'font-family:SimSun;mso-ascii-f
12345

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