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Expression of type ExprTuple

from the theory of proveit.physics.quantum.circuits

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 import ExprTuple
from proveit.physics.quantum.circuits import circuit_psi_m_Vj
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(circuit_psi_m_Vj)
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(stored_expr.latex())
\left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert \psi \rangle} & \gate{\begin{array}{c} \uparrow \\V_{1} \\ \downarrow\end{array}} & \gate{\begin{array}{c} \uparrow \\\cdots \\ \downarrow\end{array}} & \gate{\begin{array}{c} \uparrow \\V_{j} \\ \downarrow\end{array}} & { /^{m} } \qw
} \end{array}\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Operationoperator: 2
operands: 3
2Literal
3ExprTuple4, 5
4ExprTuple6
5ExprRangelambda_map: 7
start_index: 24
end_index: 8
6ExprRangelambda_map: 9
start_index: 24
end_index: 25
7Lambdaparameter: 23
body: 10
8Variable
9Lambdaparameter: 23
body: 11
10IndexedVarvariable: 12
index: 23
11Operationoperator: 14
operands: 15
12Variable
13ExprTuple23
14Literal
15NamedExprselement: 16
targets: 17
16Operationoperator: 18
operands: 19
17Operationoperator: 20
operands: 21
18Literal
19NamedExprsstate: 22
part: 23
20Literal
21ExprTuple24, 25
22Variable
23Variable
24Literal
25Variable