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Expression of type ExprTuple

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, ExprTuple, 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_ket, _U, _ket_u, _psi__t_ket, _s, _t
from proveit.physics.quantum.circuits import Gate, Input, MultiQubitElem, Output, Qcircuit
from proveit.statistics import Prob
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))
sub_expr7 = ExprRange(sub_expr1, MultiQubitElem(element = Input(state = _ket_u, part = sub_expr1), targets = sub_expr5), one, _s)
sub_expr8 = [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)]
sub_expr9 = [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)]
expr = ExprTuple(Prob(Qcircuit(vert_expr_array = VertExprArray([ExprRange(sub_expr1, Input(state = ket_plus), one, _t), sub_expr7], [ExprRange(sub_expr1, sub_expr6, one, _t), ExprRange(sub_expr1, sub_expr6, sub_expr2, sub_expr3)], sub_expr8, sub_expr9))), Prob(Qcircuit(vert_expr_array = VertExprArray([ExprRange(sub_expr1, MultiQubitElem(element = Input(state = _psi__t_ket, part = sub_expr1), targets = sub_expr4), one, _t), sub_expr7], sub_expr8, sub_expr9))))
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(\textrm{Pr}\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), \textrm{Pr}\left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert \psi_{t} \rangle} & \gate{{\mathrm {FT}}^{\dag}_{t}} & \qout{\lvert \Psi \rangle} \\
\qin{\lvert u \rangle} & { /^{s} } \qw & \qout{\lvert u \rangle}
} \end{array}\right)\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 2
1Operationoperator: 4
operand: 6
2Operationoperator: 4
operand: 7
3ExprTuple6
4Literal
5ExprTuple7
6Operationoperator: 9
operands: 8
7Operationoperator: 9
operands: 10
8ExprTuple11, 12, 14, 15
9Literal
10ExprTuple13, 14, 15
11ExprTuple16, 20
12ExprTuple17, 18
13ExprTuple19, 20
14ExprTuple21, 22
15ExprTuple23, 24
16ExprRangelambda_map: 25
start_index: 94
end_index: 95
17ExprRangelambda_map: 26
start_index: 94
end_index: 95
18ExprRangelambda_map: 26
start_index: 83
end_index: 84
19ExprRangelambda_map: 27
start_index: 94
end_index: 95
20ExprRangelambda_map: 28
start_index: 94
end_index: 96
21ExprRangelambda_map: 29
start_index: 94
end_index: 95
22ExprRangelambda_map: 30
start_index: 94
end_index: 96
23ExprRangelambda_map: 31
start_index: 94
end_index: 95
24ExprRangelambda_map: 32
start_index: 94
end_index: 96
25Lambdaparameter: 82
body: 33
26Lambdaparameter: 82
body: 34
27Lambdaparameter: 82
body: 35
28Lambdaparameter: 82
body: 36
29Lambdaparameter: 82
body: 37
30Lambdaparameter: 82
body: 38
31Lambdaparameter: 82
body: 39
32Lambdaparameter: 82
body: 41
33Operationoperator: 67
operands: 42
34Operationoperator: 49
operands: 43
35Operationoperator: 49
operands: 44
36Operationoperator: 49
operands: 45
37Operationoperator: 49
operands: 46
38Operationoperator: 68
operands: 47
39Operationoperator: 49
operands: 48
40ExprTuple82
41Operationoperator: 49
operands: 50
42NamedExprsstate: 51
43NamedExprselement: 52
targets: 53
44NamedExprselement: 54
targets: 59
45NamedExprselement: 55
targets: 61
46NamedExprselement: 56
targets: 59
47NamedExprsoperation: 57
48NamedExprselement: 58
targets: 59
49Literal
50NamedExprselement: 60
targets: 61
51Operationoperator: 62
operand: 76
52Operationoperator: 68
operands: 64
53Operationoperator: 74
operands: 65
54Operationoperator: 67
operands: 66
55Operationoperator: 67
operands: 73
56Operationoperator: 68
operands: 69
57Literal
58Operationoperator: 72
operands: 70
59Operationoperator: 74
operands: 71
60Operationoperator: 72
operands: 73
61Operationoperator: 74
operands: 75
62Literal
63ExprTuple76
64NamedExprsoperation: 77
part: 82
65ExprTuple94, 84
66NamedExprsstate: 78
part: 82
67Literal
68Literal
69NamedExprsoperation: 79
part: 82
70NamedExprsstate: 80
part: 82
71ExprTuple94, 95
72Literal
73NamedExprsstate: 81
part: 82
74Literal
75ExprTuple83, 84
76Literal
77Operationoperator: 85
operands: 86
78Operationoperator: 87
operand: 95
79Operationoperator: 88
operand: 95
80Literal
81Literal
82Variable
83Operationoperator: 91
operands: 90
84Operationoperator: 91
operands: 92
85Literal
86ExprTuple93, 95
87Literal
88Literal
89ExprTuple95
90ExprTuple95, 94
91Literal
92ExprTuple95, 96
93Literal
94Literal
95Literal
96Literal