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Expression of type ProbOfAll

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, e, l
from proveit.numbers import Add, Interval, ModAbs, greater, one
from proveit.physics.quantum import NumKet, Z, ket_plus
from proveit.physics.quantum.QPE import ModAdd, QPE, _U, _b_floor, _full_domain, _ket_u, _s, _s_wire, _t, _two_pow_t
from proveit.physics.quantum.circuits import Gate, Input, Measure, MultiQubitElem, Output, Qcircuit
from proveit.statistics import ProbOfAll
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(sub_expr2, sub_expr3)
sub_expr5 = MultiQubitElem(element = Gate(operation = QPE(_U, _t), part = sub_expr1), targets = Interval(one, sub_expr3))
expr = ProbOfAll(instance_param_or_params = [l], instance_element = 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_expr4), one, _s)], [ExprRange(sub_expr1, sub_expr5, one, _t), ExprRange(sub_expr1, sub_expr5, sub_expr2, sub_expr3)], [ExprRange(sub_expr1, Measure(basis = Z), one, _t), _s_wire], [ExprRange(sub_expr1, MultiQubitElem(element = Output(state = NumKet(ModAdd(_b_floor, l), _t), part = sub_expr1), targets = Interval(one, _t)), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _ket_u, part = sub_expr1), targets = sub_expr4), one, _s)])), domain = _full_domain, condition = greater(ModAbs(l, _two_pow_t), e))
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())
\textrm{Prob}_{l \in \{-2^{t - 1} + 1~\ldotp \ldotp~2^{t - 1}\}~|~\left|l\right|_{\textup{mod}\thinspace 2^{t}} > e}~\left(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert + \rangle} & \multigate{4}{\textrm{QPE}\left(U, t\right)} & \meter & \multiqout{3}{\lvert b_{\textit{f}} \oplus l \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert b_{\textit{f}} \oplus l \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 b_{\textit{f}} \oplus l \rangle_{t}} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \meter & \ghostqout{\lvert b_{\textit{f}} \oplus l \rangle_{t}} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & { /^{s} } \qw & \qout{\lvert u \rangle}
} \end{array}\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
with_wrappingIf 'True', wrap the Expression after the parametersNoneNone/False('with_wrapping',)
condition_wrappingWrap 'before' or 'after' the condition (or None).NoneNone/False('with_wrap_after_condition', 'with_wrap_before_condition')
wrap_paramsIf 'True', wraps every two parameters AND wraps the Expression after the parametersNoneNone/False('with_params',)
justificationjustify to the 'left', 'center', or 'right' in the array cellscentercenter('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 1
operand: 3
1Literal
2ExprTuple3
3Lambdaparameter: 112
body: 5
4ExprTuple112
5Conditionalvalue: 6
condition: 7
6Operationoperator: 8
operands: 9
7Operationoperator: 10
operands: 11
8Literal
9ExprTuple12, 13, 14, 15
10Literal
11ExprTuple16, 17
12ExprTuple18, 19
13ExprTuple20, 21
14ExprTuple22, 23
15ExprTuple24, 25
16Operationoperator: 26
operands: 27
17Operationoperator: 28
operands: 29
18ExprRangelambda_map: 30
start_index: 119
end_index: 115
19ExprRangelambda_map: 31
start_index: 119
end_index: 104
20ExprRangelambda_map: 32
start_index: 119
end_index: 115
21ExprRangelambda_map: 32
start_index: 92
end_index: 93
22ExprRangelambda_map: 33
start_index: 119
end_index: 115
23ExprRangelambda_map: 34
start_index: 119
end_index: 104
24ExprRangelambda_map: 35
start_index: 119
end_index: 115
25ExprRangelambda_map: 36
start_index: 119
end_index: 104
26Literal
27ExprTuple112, 37
28Literal
29ExprTuple38, 39
30Lambdaparameter: 91
body: 40
31Lambdaparameter: 91
body: 41
32Lambdaparameter: 91
body: 42
33Lambdaparameter: 91
body: 43
34Lambdaparameter: 91
body: 44
35Lambdaparameter: 91
body: 45
36Lambdaparameter: 91
body: 47
37Operationoperator: 84
operands: 48
38Variable
39Operationoperator: 49
operands: 50
40Operationoperator: 76
operands: 51
41Operationoperator: 58
operands: 52
42Operationoperator: 58
operands: 53
43Operationoperator: 54
operands: 55
44Operationoperator: 77
operands: 56
45Operationoperator: 58
operands: 57
46ExprTuple91
47Operationoperator: 58
operands: 59
48ExprTuple60, 101
49Literal
50ExprTuple112, 61
51NamedExprsstate: 62
52NamedExprselement: 63
targets: 71
53NamedExprselement: 64
targets: 65
54Literal
55NamedExprsbasis: 66
56NamedExprsoperation: 67
57NamedExprselement: 68
targets: 69
58Literal
59NamedExprselement: 70
targets: 71
60Operationoperator: 113
operands: 72
61Operationoperator: 105
operands: 73
62Operationoperator: 74
operand: 87
63Operationoperator: 76
operands: 83
64Operationoperator: 77
operands: 78
65Operationoperator: 84
operands: 79
66Literal
67Literal
68Operationoperator: 82
operands: 80
69Operationoperator: 84
operands: 81
70Operationoperator: 82
operands: 83
71Operationoperator: 84
operands: 85
72ExprTuple86, 119
73ExprTuple109, 115
74Literal
75ExprTuple87
76Literal
77Literal
78NamedExprsoperation: 88
part: 91
79ExprTuple119, 93
80NamedExprsstate: 89
part: 91
81ExprTuple119, 115
82Literal
83NamedExprsstate: 90
part: 91
84Literal
85ExprTuple92, 93
86Operationoperator: 117
operand: 101
87Literal
88Operationoperator: 95
operands: 96
89Operationoperator: 97
operands: 98
90Literal
91Variable
92Operationoperator: 113
operands: 99
93Operationoperator: 113
operands: 100
94ExprTuple101
95Literal
96ExprTuple102, 115
97Literal
98ExprTuple103, 115
99ExprTuple115, 119
100ExprTuple115, 104
101Operationoperator: 105
operands: 106
102Literal
103Operationoperator: 107
operands: 108
104Literal
105Literal
106ExprTuple109, 110
107Literal
108ExprTuple111, 112
109Literal
110Operationoperator: 113
operands: 114
111Literal
112Variable
113Literal
114ExprTuple115, 116
115Literal
116Operationoperator: 117
operand: 119
117Literal
118ExprTuple119
119Literal