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<title>实验十五
微分方程和微分方程=
2452;的求解</title>
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<p class=3DMsoNormal align=3Dcenter style=3D'text-align:center'><span
style=3D'font-size:16.0pt;font-family:STXinwei'>实验十=
0116;<span
lang=3DEN-US><span style=3D'mso-spacerun:yes'> </span></span>微=
分方程和微分方程组=
0340;求解<span
lang=3DEN-US><o:p></o:p></span></span></p>
<p class=3DMsoNormal><span lang=3DEN-US><o:p> </o:p></span></p>
<p class=3DMsoNormal><b style=3D'mso-bidi-font-weight:normal'><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>一、实验目的:=
</span><span
lang=3DEN-US><o:p></o:p></span></b></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;text-indent:21.7=
5pt'><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>熟悉</span><span class=3DSpellE><span lang=
=3DEN-US>Matlab</span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>软件中关于求解=
微分方程和微分方程=
2452;的各种命令,掌握࠷=
3;用</span><span
class=3DSpellE><span lang=3DEN-US>Matlab</span></span><span style=3D'font-f=
amily:
SimSun;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family:"Times=
New Roman"'>软件进行微分方ఴ=
3;和微分方程组的求解&=
#12290;</span></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left'><b style=3D'mso=
-bidi-font-weight:
normal'><span style=3D'font-family:SimSun;mso-ascii-font-family:"Times New =
Roman";
mso-hansi-font-family:"Times New Roman"'>二、相关&#=
30693;识</span><span
lang=3DEN-US><o:p></o:p></span></b></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;text-indent:21.0=
pt'><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>在</span><span lang=3DEN-US>MATLAB</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>中,由函数</span><span
class=3DSpellE><span lang=3DEN-US>dsolve</span></span><span lang=3DEN-US>()=
</span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>解决微分方程(=
组)的求解问题,其=
0855;体格式如下:</span></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;text-indent:47.2=
5pt'><span
lang=3DES style=3D'mso-ansi-language:ES'>X=3Ddsolve(‘eqn<st1:chmetcnv
UnitName=3D"’" SourceValue=3D"1" HasSpace=3D"False" Negative=3D"False"
NumberType=3D"1" TCSC=3D"0" w:st=3D"on">1’</st1:chmetcnv>,’eqn<=
st1:chmetcnv
UnitName=3D"’" SourceValue=3D"2" HasSpace=3D"False" Negative=3D"False"
NumberType=3D"1" TCSC=3D"0" w:st=3D"on">2’</st1:chmetcnv>,…)<o:=
p></o:p></span></p>
<p class=3DMsoNormal align=3Dleft style=3D'text-align:left;text-indent:21.0=
pt'><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>函数</span><span class=3DSpellE><span lang=
=3DEN-US>dsolve</span></span><span
style=3D'font-family:SimSun;mso-ascii-font-family:"Times New Roman";mso-han=
si-font-family:
"Times New Roman"'>用来解符号微分=
方程、方程组,如果=
7809;有初始条件,则求࠲=
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