`weight``.add(``w``)`¶

`weight` + `w`¶

A weight which denotes the sum of both weights.

Examples¶

In [1]:

import vcsn
w1 = vcsn.Z.weight('3')
w2 = vcsn.Z.weight('-7')
w1.add(w2)

Out[1]:

$-4$

In [2]:

w3 = vcsn.B.weight('1')
w3 + w3

Out[2]:

$\top$

In [3]:

w4 = vcsn.Q.weight('5/12')
w5 = vcsn.Q.weight('4/3')
w4 + w5

Out[3]:

$\frac{7}{4}$