q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

a:1;

c:[1,2,3];

b:'(a*c);

Calculate

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

a:1;

c:[1,2,3];

b:'(a*c);

Calculate

a:1;

c:[1,2,3];

b:'(a*c);

Calculate

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

q1:u1=r1*i;

q2:u2=r2*i;

q3:u3=-r3*i;

Calculate

? infeval;

Calculate

### infeval

Run Example
```(%i1)ev((-1.)^2.1,infeval);
2.1
(%o1)                              (- 1)
(%i2) ```
Run Example
```a:2;
(%o1)                                  2
(%i2) c:[1,2,3];
(%o2)                              [1, 2, 3]
(%i3) b:'(a*c);
(%o3)                                 a c
(%i4) b;
(%o4)                                 a c
(%i5) a:3;
(%o5)                                  3
(%i6) ev (b, infeval);
(%o6)                              [3, 6, 9]
(%i7) f:'(b*2);
(%o7)                                 2 b
(%i8) a:2.5;
(%o8)                                 2.5
(%i9) c:[1.3,2.3,3.3];
(%o9)                           [1.3, 2.3, 3.3]
(%i10) f,infeval;
(%o10)                         [6.5, 11.5, 16.5]
(%i11) ```
Run Example
```? infeval;

-- Option variable: infeval
Enables "infinite evaluation" mode.  `ev' repeatedly evaluates an
expression until it stops changing.  To prevent a variable, say
`X', from being evaluated away in this mode, simply include `X='X'
as an argument to `ev'.  Of course expressions such as `ev (X,
X=X+1, infeval)' will generate an infinite loop.

(%o1)                                true
(%i2) ```

Help for Infeval