logo

Expression of type IdentityOp

from the theory of proveit.physics.quantum

In [1]:
import proveit
# Automation is not needed when building an expression:
proveit.defaults.automation = False # This will speed things up.
proveit.defaults.inline_pngs = False # Makes files smaller.
%load_expr # Load the stored expression as 'stored_expr'
# import Expression classes needed to build the expression
from proveit.physics.quantum.circuit import IdentityOp
In [2]:
# build up the expression from sub-expressions
expr = IdentityOp(explicit = True)
Out[2]:
expr:
In [3]:
# check that the built expression is the same as the stored expression
assert expr == stored_expr
assert expr._style_id == stored_expr._style_id
print("Passed sanity check: expr matches stored_expr")
Passed sanity check: expr matches stored_expr
In [4]:
# Show the LaTeX representation of the expression for convenience if you need it.
print(expr.latex())
\hspace{2em} \Qcircuit@C=1em @R=.7em{
& \gate{I} 
} \hspace{2em}
In [5]:
expr.style_options()
Out[5]:
namedescriptiondefaultcurrent valuerelated methods
representationThe 'implicit' option formats the identity operation as a quantum wire and the 'explicit' option formats it as a box containing the I literalimplicitexplicit
In [6]:
# display the expression information
expr.expr_info()
Out[6]:
 core typesub-expressionsexpression
0Literal