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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, m
from proveit.numbers import Add, Interval, one
from proveit.physics.quantum import NumKet, Z
from proveit.physics.quantum.QPE import _Psi_ket, _ket_u, _phase_est_circuit, _s, _s_wire, _t
from proveit.physics.quantum.circuits import Input, Measure, 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 = Interval(one, _t)
sub_expr3 = Interval(Add(_t, one), Add(_t, _s))
expr = ExprTuple(Prob(_phase_est_circuit), Prob(Qcircuit(vert_expr_array = VertExprArray([ExprRange(sub_expr1, MultiQubitElem(element = Input(state = _Psi_ket, part = sub_expr1), targets = sub_expr2), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Input(state = _ket_u, part = sub_expr1), targets = sub_expr3), one, _s)], [ExprRange(sub_expr1, Measure(basis = Z), one, _t), _s_wire], [ExprRange(sub_expr1, MultiQubitElem(element = Output(state = NumKet(m, _t), part = sub_expr1), targets = sub_expr2), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _ket_u, part = sub_expr1), targets = sub_expr3), one, _s)]))))
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}\left(U, t\right)} & \meter & \multiqout{3}{\lvert m \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}\left(U, t\right)} & \measure{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} \qw & \ghostqout{\lvert m \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & { /^{s} } \qw & \qout{\lvert u \rangle}
} \end{array}\right), \textrm{Pr}\left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\multiqin{3}{\lvert \Psi \rangle} & \meter & \multiqout{3}{\lvert m \rangle_{t}} \\
\ghostqin{\lvert \Psi \rangle} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\ghostqin{\lvert \Psi \rangle} & \measure{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} \qw & \ghostqout{\lvert m \rangle_{t}} \\
\ghostqin{\lvert \Psi \rangle} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\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: 93
end_index: 94
17ExprRangelambda_map: 26
start_index: 93
end_index: 94
18ExprRangelambda_map: 26
start_index: 82
end_index: 83
19ExprRangelambda_map: 27
start_index: 93
end_index: 94
20ExprRangelambda_map: 28
start_index: 93
end_index: 95
21ExprRangelambda_map: 29
start_index: 93
end_index: 94
22ExprRangelambda_map: 30
start_index: 93
end_index: 95
23ExprRangelambda_map: 31
start_index: 93
end_index: 94
24ExprRangelambda_map: 32
start_index: 93
end_index: 95
25Lambdaparameter: 81
body: 33
26Lambdaparameter: 81
body: 34
27Lambdaparameter: 81
body: 35
28Lambdaparameter: 81
body: 36
29Lambdaparameter: 81
body: 37
30Lambdaparameter: 81
body: 38
31Lambdaparameter: 81
body: 39
32Lambdaparameter: 81
body: 41
33Operationoperator: 69
operands: 42
34Operationoperator: 50
operands: 43
35Operationoperator: 50
operands: 44
36Operationoperator: 50
operands: 45
37Operationoperator: 46
operands: 47
38Operationoperator: 65
operands: 48
39Operationoperator: 50
operands: 49
40ExprTuple81
41Operationoperator: 50
operands: 51
42NamedExprsstate: 52
43NamedExprselement: 53
targets: 54
44NamedExprselement: 55
targets: 60
45NamedExprselement: 56
targets: 62
46Literal
47NamedExprsbasis: 57
48NamedExprsoperation: 58
49NamedExprselement: 59
targets: 60
50Literal
51NamedExprselement: 61
targets: 62
52Operationoperator: 63
operand: 76
53Operationoperator: 65
operands: 66
54Operationoperator: 74
operands: 67
55Operationoperator: 69
operands: 68
56Operationoperator: 69
operands: 73
57Literal
58Literal
59Operationoperator: 72
operands: 70
60Operationoperator: 74
operands: 71
61Operationoperator: 72
operands: 73
62Operationoperator: 74
operands: 75
63Literal
64ExprTuple76
65Literal
66NamedExprsoperation: 77
part: 81
67ExprTuple93, 83
68NamedExprsstate: 78
part: 81
69Literal
70NamedExprsstate: 79
part: 81
71ExprTuple93, 94
72Literal
73NamedExprsstate: 80
part: 81
74Literal
75ExprTuple82, 83
76Literal
77Operationoperator: 84
operands: 85
78Literal
79Operationoperator: 86
operands: 87
80Literal
81Variable
82Operationoperator: 89
operands: 88
83Operationoperator: 89
operands: 90
84Literal
85ExprTuple91, 94
86Literal
87ExprTuple92, 94
88ExprTuple94, 93
89Literal
90ExprTuple94, 95
91Literal
92Variable
93Literal
94Literal
95Literal