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MMA-Self-defining function
2022-06-11 17:58:00 【Carol0630】
1、找到分母的零极点解
G=Simplify[g/z]
Num=Numerator[G]
Den=Collect[Denominator[G],s]
z_sol=Solve[Num==0,s]
P_sol=Solve[Den==0,s]
2、parallel与series
series[m_,n_]:=m+n
parallel[m_,n_]:=m*n/(m+n)
seekp[res_,cap_]=2*3.14/res/cap
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