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Expression of type Add

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, l
from proveit.numbers import Add, Interval, one
from proveit.physics.quantum import NumKet, Z, ket_plus
from proveit.physics.quantum.QPE import ModAdd, QPE, _U, _b_floor, _ket_u, _pos_domain, _s, _s_wire, _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 = Add(Variable("_b", latex_format = r"{_{-}b}"), 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 = _pos_domain))
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())
{_{-}b} + \left[\textrm{Prob}_{l \in \{e + 1~\ldotp \ldotp~2^{t - 1}\}}~\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)\right]
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.()()('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',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 99
operands: 1
1ExprTuple2, 3
2Variable
3Operationoperator: 4
operand: 6
4Literal
5ExprTuple6
6Lambdaparameter: 109
body: 8
7ExprTuple109
8Conditionalvalue: 9
condition: 10
9Operationoperator: 11
operands: 12
10Operationoperator: 13
operands: 14
11Literal
12ExprTuple15, 16, 17, 18
13Literal
14ExprTuple109, 19
15ExprTuple20, 21
16ExprTuple22, 23
17ExprTuple24, 25
18ExprTuple26, 27
19Operationoperator: 82
operands: 28
20ExprRangelambda_map: 29
start_index: 103
end_index: 104
21ExprRangelambda_map: 30
start_index: 103
end_index: 105
22ExprRangelambda_map: 31
start_index: 103
end_index: 104
23ExprRangelambda_map: 31
start_index: 90
end_index: 91
24ExprRangelambda_map: 32
start_index: 103
end_index: 104
25ExprRangelambda_map: 33
start_index: 103
end_index: 105
26ExprRangelambda_map: 34
start_index: 103
end_index: 104
27ExprRangelambda_map: 35
start_index: 103
end_index: 105
28ExprTuple36, 37
29Lambdaparameter: 89
body: 38
30Lambdaparameter: 89
body: 39
31Lambdaparameter: 89
body: 40
32Lambdaparameter: 89
body: 41
33Lambdaparameter: 89
body: 42
34Lambdaparameter: 89
body: 43
35Lambdaparameter: 89
body: 45
36Operationoperator: 99
operands: 46
37Operationoperator: 47
operands: 48
38Operationoperator: 74
operands: 49
39Operationoperator: 56
operands: 50
40Operationoperator: 56
operands: 51
41Operationoperator: 52
operands: 53
42Operationoperator: 75
operands: 54
43Operationoperator: 56
operands: 55
44ExprTuple89
45Operationoperator: 56
operands: 57
46ExprTuple58, 103
47Literal
48ExprTuple59, 60
49NamedExprsstate: 61
50NamedExprselement: 62
targets: 70
51NamedExprselement: 63
targets: 64
52Literal
53NamedExprsbasis: 65
54NamedExprsoperation: 66
55NamedExprselement: 67
targets: 68
56Literal
57NamedExprselement: 69
targets: 70
58Variable
59Literal
60Operationoperator: 99
operands: 71
61Operationoperator: 72
operand: 85
62Operationoperator: 74
operands: 81
63Operationoperator: 75
operands: 76
64Operationoperator: 82
operands: 77
65Literal
66Literal
67Operationoperator: 80
operands: 78
68Operationoperator: 82
operands: 79
69Operationoperator: 80
operands: 81
70Operationoperator: 82
operands: 83
71ExprTuple104, 84
72Literal
73ExprTuple85
74Literal
75Literal
76NamedExprsoperation: 86
part: 89
77ExprTuple103, 91
78NamedExprsstate: 87
part: 89
79ExprTuple103, 104
80Literal
81NamedExprsstate: 88
part: 89
82Literal
83ExprTuple90, 91
84Operationoperator: 92
operand: 103
85Literal
86Operationoperator: 94
operands: 95
87Operationoperator: 96
operands: 97
88Literal
89Variable
90Operationoperator: 99
operands: 98
91Operationoperator: 99
operands: 100
92Literal
93ExprTuple103
94Literal
95ExprTuple101, 104
96Literal
97ExprTuple102, 104
98ExprTuple104, 103
99Literal
100ExprTuple104, 105
101Literal
102Operationoperator: 106
operands: 107
103Literal
104Literal
105Literal
106Literal
107ExprTuple108, 109
108Literal
109Variable