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82 2. Tutorial
In[18]:= rlc2eqs = CircuitEquations[rlcfilter2];
DisplayForm[rlc2eqs]
Out[19]//DisplayForm=
0.001 0.001 0 1
0.001 0.001
1000.
s
4.7 10 6 s
1000.
s
0
.
0
1000.
s
0.001
1000.
s
0.000022 s 0
1 0 0 0
V$1 0
V$2 0
⩵⩵
V$3 0
I$V0 V0
Alternatively, we can select the symbolic values by means of the option ElementValues −> Symbolic.
Note that ElementValues affects only those netlist entries in whose value field a Symbolic rule is
present.
In[20]:= rlc2eqs2 = CircuitEquations[rlcfilter2,
ElementValues −> Symbolic];
DisplayForm[rlc2eqs2]
Out[21]//DisplayForm=
1
RA
1
RA
0 1
V$1 0
1 1
RA
RA
1
L1 s C1 s
1
L1 s
0 V$2 0
. ⩵⩵
0
1
1
L1 s
RB
1
L1 s C2 s 0 V$3 0
1 0 0 0
I$V0 V0