📄 sy15.mht
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DrawAspect=3D"Content" ObjectID=3D"_1237614476">
</o:OLEObject>
</xml><![endif]--><o:p></o:p></span></p>
</td>
<td width=3D142 style=3D'width:106.8pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid window=
text .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>计算时间=
比</span><span
lang=3DEN-US style=3D'font-size:9.0pt'>ode45</span><span style=3D'font-si=
ze:9.0pt;
font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font=
-family:
"Times New Roman"'>短</span><span lang=3DEN-US style=3D'font-size:9=
.0pt'><o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:4;height:25.15pt'>
<td width=3D55 style=3D'width:41.4pt;border:solid windowtext 1.0pt;border=
-top:
none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid window=
text .5pt;
padding:0cm 5.4pt 0cm 5.4pt;height:25.15pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span lan=
g=3DEN-US
style=3D'font-size:9.0pt'>ode23t<o:p></o:p></span></p>
</td>
<td width=3D72 style=3D'width:54.0pt;border-top:none;border-left:none;bor=
der-bottom:
solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;mso-border-top=
-alt:
solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;mso-borde=
r-alt:
solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:25.15pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>适度刚性=
</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
<td width=3D300 style=3D'width:225.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid window=
text .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:2=
5.15pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>采用梯形=
算法</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
<td width=3D142 style=3D'width:106.8pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid window=
text .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt;height:2=
5.15pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>适度刚性=
情形</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:5'>
<td width=3D55 style=3D'width:41.4pt;border:solid windowtext 1.0pt;border=
-top:
none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid window=
text .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span lan=
g=3DEN-US
style=3D'font-size:9.0pt'>ode15s<o:p></o:p></span></p>
</td>
<td width=3D72 style=3D'width:54.0pt;border-top:none;border-left:none;bor=
der-bottom:
solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;mso-border-top=
-alt:
solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;mso-borde=
r-alt:
solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>刚性</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
<td width=3D300 style=3D'width:225.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid window=
text .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>多步法,=
</span><span
lang=3DEN-US style=3D'font-size:9.0pt'>Gear<span class=3DGramE>’</s=
pan>s</span><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>反向数值=
积分,精度中等</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
<td width=3D142 style=3D'width:106.8pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid window=
text .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>若</span><span lang=3DEN-US
style=3D'font-size:9.0pt'>ode45</span><span style=3D'font-size:9.0pt;font=
-family:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Tim=
es New Roman"'>失效时,可尝试=
351;用</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
</tr>
<tr style=3D'mso-yfti-irow:6;mso-yfti-lastrow:yes'>
<td width=3D55 style=3D'width:41.4pt;border:solid windowtext 1.0pt;border=
-top:
none;mso-border-top-alt:solid windowtext .5pt;mso-border-alt:solid window=
text .5pt;
padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span lan=
g=3DEN-US
style=3D'font-size:9.0pt'>ode23s<o:p></o:p></span></p>
</td>
<td width=3D72 style=3D'width:54.0pt;border-top:none;border-left:none;bor=
der-bottom:
solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;mso-border-top=
-alt:
solid windowtext .5pt;mso-border-left-alt:solid windowtext .5pt;mso-borde=
r-alt:
solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>刚性</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
<td width=3D300 style=3D'width:225.0pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid window=
text .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span cla=
ss=3DGramE><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>一</span></span><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>步法,</span><=
span
lang=3DEN-US style=3D'font-size:9.0pt'>2</span><span style=3D'font-size:9=
.0pt;
font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font=
-family:
"Times New Roman"'>阶</span><span class=3DSpellE><span lang=3DEN-US
style=3D'font-size:9.0pt'>Rosebrock</span></span><span style=3D'font-size=
:9.0pt;
font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font=
-family:
"Times New Roman"'>算法,低精度Ӎ=
0;</span><span
lang=3DEN-US style=3D'font-size:9.0pt'><o:p></o:p></span></p>
</td>
<td width=3D142 style=3D'width:106.8pt;border-top:none;border-left:none;
border-bottom:solid windowtext 1.0pt;border-right:solid windowtext 1.0pt;
mso-border-top-alt:solid windowtext .5pt;mso-border-left-alt:solid window=
text .5pt;
mso-border-alt:solid windowtext .5pt;padding:0cm 5.4pt 0cm 5.4pt'>
<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:9.0pt;font-family:SimSun;mso-ascii-font-family:"Times =
New Roman";
mso-hansi-font-family:"Times New Roman"'>当精度较=
低时,计算时间比</span><span
lang=3DEN-US style=3D'font-size:9.0pt'>ode15s</span><span style=3D'font-s=
ize:9.0pt;
font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font=
-family:
"Times New Roman"'>短</span><span lang=3DEN-US style=3D'font-size:9=
.0pt'><o:p></o:p></span></p>
</td>
</tr>
</table>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;text-indent:21.0=
pt'><span
class=3DSpellE><span lang=3DEN-US>odefun</span></span><span style=3D'font-f=
amily:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>为显式常微分方ఴ=
3;</span><span
lang=3DEN-US><sub><!--[if gte vml 1]><v:shape id=3D"_x0000_i1033" type=3D"#=
_x0000_t75"
style=3D'width:57.75pt;height:15.75pt' o:ole=3D"">
<v:imagedata src=3D"sy15.files/image009.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D77 height=3D21
src=3D"sy15.files/image010.gif" v:shapes=3D"_x0000_i1033"><![endif]></sub><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
033"
DrawAspect=3D"Content" ObjectID=3D"_1237614477">
</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"'>中的=
</span><span
lang=3DEN-US><sub><!--[if gte vml 1]><v:shape id=3D"_x0000_i1034" type=3D"#=
_x0000_t75"
style=3D'width:36pt;height:15.75pt' o:ole=3D"">
<v:imagedata src=3D"sy15.files/image015.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D48 height=3D21
src=3D"sy15.files/image016.gif" v:shapes=3D"_x0000_i1034"><![endif]></sub><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
034"
DrawAspect=3D"Content" ObjectID=3D"_1237614478">
</o:OLEObject>
</xml><![endif]--></span></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;text-indent:21.0=
pt'><span
class=3DSpellE><span lang=3DEN-US>tspan</span></span><span style=3D'font-fa=
mily:SimSun;
mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times New Ro=
man"'>为求解区间,要获ô=
71;问题在其他指定点</span><=
span
lang=3DEN-US><sub><!--[if gte vml 1]><v:shape id=3D"_x0000_i1035" type=3D"#=
_x0000_t75"
style=3D'width:48.75pt;height:18pt' o:ole=3D"">
<v:imagedata src=3D"sy15.files/image017.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D65 height=3D24
src=3D"sy15.files/image018.gif" v:shapes=3D"_x0000_i1035"><![endif]></sub><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
035"
DrawAspect=3D"Content" ObjectID=3D"_1237614479">
</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"'>上的=
解,则令</span><span
lang=3DEN-US><sub><!--[if gte vml 1]><v:shape id=3D"_x0000_i1036" type=3D"#=
_x0000_t75"
style=3D'width:108.75pt;height:18.75pt' o:ole=3D"">
<v:imagedata src=3D"sy15.files/image019.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D145 height=3D25
src=3D"sy15.files/image020.gif" v:shapes=3D"_x0000_i1036"><![endif]></sub><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
036"
DrawAspect=3D"Content" ObjectID=3D"_1237614480">
</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"'>(要=
求</span><span
lang=3DEN-US><sub><!--[if gte vml 1]><v:shape id=3D"_x0000_i1037" type=3D"#=
_x0000_t75"
style=3D'width:9pt;height:18pt' o:ole=3D"">
<v:imagedata src=3D"sy15.files/image021.wmz" o:title=3D""/>
</v:shape><![endif]--><![if !vml]><img width=3D12 height=3D24
src=3D"sy15.files/image022.gif" v:shapes=3D"_x0000_i1037"><![endif]></sub><=
!--[if gte mso 9]><xml>
<o:OLEObject Type=3D"Embed" ProgID=3D"Equation.DSMT4" ShapeID=3D"_x0000_i1=
037"
DrawAspect=3D"Content" ObjectID=3D"_1237614481">
</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"'>单调=
),</span></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;text-indent:21.0=
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