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Expression of type QcircuitEquiv

from the theory of proveit.physics.quantum.QPE

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 ExprRange, Variable, VertExprArray
from proveit.numbers import Add, Interval, one
from proveit.physics.quantum import I, ket_plus
from proveit.physics.quantum.QFT import InverseFourierTransform
from proveit.physics.quantum.QPE import QPE1, _Psi_circuit, _Psi_ket, _U, _ket_u, _s, _t
from proveit.physics.quantum.circuits import Gate, Input, MultiQubitElem, Output, Qcircuit, QcircuitEquiv
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Add(_t, one)
sub_expr3 = Add(_t, _s)
sub_expr4 = Interval(one, _t)
sub_expr5 = Interval(sub_expr2, sub_expr3)
sub_expr6 = MultiQubitElem(element = Gate(operation = QPE1(_U, _t), part = sub_expr1), targets = Interval(one, sub_expr3))
expr = QcircuitEquiv(Qcircuit(vert_expr_array = VertExprArray([ExprRange(sub_expr1, Input(state = ket_plus), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Input(state = _ket_u, part = sub_expr1), targets = sub_expr5), one, _s)], [ExprRange(sub_expr1, sub_expr6, one, _t), ExprRange(sub_expr1, sub_expr6, sub_expr2, sub_expr3)], [ExprRange(sub_expr1, MultiQubitElem(element = Gate(operation = InverseFourierTransform(_t), part = sub_expr1), targets = sub_expr4), one, _t), ExprRange(sub_expr1, Gate(operation = I).with_implicit_representation(), one, _s)], [ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _Psi_ket, part = sub_expr1), targets = sub_expr4), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _ket_u, part = sub_expr1), targets = sub_expr5), one, _s)])), _Psi_circuit).with_wrapping_at(1)
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())
\begin{array}{c} \begin{array}{l} \left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert + \rangle} & \multigate{4}{\textrm{QPE}_1\left(U, t\right)} & \multigate{3}{{\mathrm {FT}}^{\dag}_{t}} & \multiqout{3}{\lvert \Psi \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \ghost{{\mathrm {FT}}^{\dag}_{t}} & \ghostqout{\lvert \Psi \rangle} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \ghost{{\mathrm {FT}}^{\dag}_{t}} & \ghostqout{\lvert \Psi \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \ghost{{\mathrm {FT}}^{\dag}_{t}} & \ghostqout{\lvert \Psi \rangle} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & { /^{s} } \qw & \qout{\lvert u \rangle}
} \end{array}\right) \\  \cong \left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert + \rangle} & \multigate{4}{\textrm{QPE}\left(U, t\right)} & \multiqout{3}{\lvert \Psi \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \ghostqout{\lvert \Psi \rangle} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}\left(U, t\right)} & \ghostqout{\lvert \Psi \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \ghostqout{\lvert \Psi \rangle} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \qout{\lvert u \rangle}
} \end{array}\right) \end{array} \end{array}
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
operation'infix' or 'function' style formattinginfixinfix
wrap_positionsposition(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.()(1)('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'without_wrapping', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
directionDirection of the relation (normal or reversed)normalnormal('with_direction_reversed', 'is_reversed')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 1
operands: 2
1Literal
2ExprTuple3, 4
3Operationoperator: 6
operands: 5
4Operationoperator: 6
operands: 7
5ExprTuple10, 8, 9, 12
6Literal
7ExprTuple10, 11, 12
8ExprTuple13, 14
9ExprTuple15, 16
10ExprTuple17, 18
11ExprTuple19, 20
12ExprTuple21, 22
13ExprRangelambda_map: 23
start_index: 92
end_index: 93
14ExprRangelambda_map: 23
start_index: 81
end_index: 82
15ExprRangelambda_map: 24
start_index: 92
end_index: 93
16ExprRangelambda_map: 25
start_index: 92
end_index: 94
17ExprRangelambda_map: 26
start_index: 92
end_index: 93
18ExprRangelambda_map: 27
start_index: 92
end_index: 94
19ExprRangelambda_map: 28
start_index: 92
end_index: 93
20ExprRangelambda_map: 28
start_index: 81
end_index: 82
21ExprRangelambda_map: 29
start_index: 92
end_index: 93
22ExprRangelambda_map: 30
start_index: 92
end_index: 94
23Lambdaparameter: 80
body: 31
24Lambdaparameter: 80
body: 32
25Lambdaparameter: 80
body: 33
26Lambdaparameter: 80
body: 34
27Lambdaparameter: 80
body: 35
28Lambdaparameter: 80
body: 36
29Lambdaparameter: 80
body: 37
30Lambdaparameter: 80
body: 39
31Operationoperator: 47
operands: 40
32Operationoperator: 47
operands: 41
33Operationoperator: 65
operands: 42
34Operationoperator: 64
operands: 43
35Operationoperator: 47
operands: 44
36Operationoperator: 47
operands: 45
37Operationoperator: 47
operands: 46
38ExprTuple80
39Operationoperator: 47
operands: 48
40NamedExprselement: 49
targets: 55
41NamedExprselement: 50
targets: 57
42NamedExprsoperation: 51
43NamedExprsstate: 52
44NamedExprselement: 53
targets: 59
45NamedExprselement: 54
targets: 55
46NamedExprselement: 56
targets: 57
47Literal
48NamedExprselement: 58
targets: 59
49Operationoperator: 65
operands: 60
50Operationoperator: 65
operands: 61
51Literal
52Operationoperator: 62
operand: 76
53Operationoperator: 64
operands: 71
54Operationoperator: 65
operands: 66
55Operationoperator: 72
operands: 67
56Operationoperator: 70
operands: 68
57Operationoperator: 72
operands: 69
58Operationoperator: 70
operands: 71
59Operationoperator: 72
operands: 73
60NamedExprsoperation: 74
part: 80
61NamedExprsoperation: 75
part: 80
62Literal
63ExprTuple76
64Literal
65Literal
66NamedExprsoperation: 77
part: 80
67ExprTuple92, 82
68NamedExprsstate: 78
part: 80
69ExprTuple92, 93
70Literal
71NamedExprsstate: 79
part: 80
72Literal
73ExprTuple81, 82
74Operationoperator: 83
operands: 87
75Operationoperator: 84
operand: 93
76Literal
77Operationoperator: 86
operands: 87
78Literal
79Literal
80Variable
81Operationoperator: 89
operands: 88
82Operationoperator: 89
operands: 90
83Literal
84Literal
85ExprTuple93
86Literal
87ExprTuple91, 93
88ExprTuple93, 92
89Literal
90ExprTuple93, 94
91Literal
92Literal
93Literal
94Literal