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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, t
from proveit.linear_algebra import ScalarMult, VecAdd
from proveit.numbers import Add, Exp, Interval, Mult, Neg, e, frac, i, one, pi, sqrt, two, zero
from proveit.physics.quantum import ket0, ket1, ket_plus
from proveit.physics.quantum.QPE import QPE1, _U, _ket_u, _phase, _psi_t_ket, _s
from proveit.physics.quantum.circuits import Gate, Input, MultiQubitElem, Output, Qcircuit
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 = QPE1(_U, t), part = sub_expr1), targets = Interval(one, sub_expr3))
sub_expr6 = ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _ket_u, part = sub_expr1), targets = sub_expr4), one, _s)
sub_expr7 = [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)]
sub_expr8 = [ExprRange(sub_expr1, sub_expr5, one, t), ExprRange(sub_expr1, sub_expr5, sub_expr2, sub_expr3)]
expr = ExprTuple(Qcircuit(vert_expr_array = VertExprArray(sub_expr7, sub_expr8, [ExprRange(sub_expr1, Output(state = ScalarMult(frac(one, sqrt(two)), VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, Exp(two, Neg(sub_expr1)), _phase)), ket1)))), Add(Neg(t), one), zero).with_decreasing_order(), sub_expr6])), Qcircuit(vert_expr_array = VertExprArray(sub_expr7, sub_expr8, [ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _psi_t_ket, part = sub_expr1), targets = Interval(one, t)), one, t), sub_expr6])))
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(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert + \rangle} & \multigate{4}{\textrm{QPE}_1\left(U, t\right)} & \qout{\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{t - 1} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \qout{\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{t - 2} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \qout{\vdots} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \qout{\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{0} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \qout{\lvert u \rangle}
} \end{array}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{\lvert + \rangle} & \multigate{4}{\textrm{QPE}_1\left(U, t\right)} & \multiqout{3}{\lvert \psi_{t} \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \ghostqout{\lvert \psi_{t} \rangle} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \ghostqout{\lvert \psi_{t} \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \ghostqout{\lvert \psi_{t} \rangle} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}_1\left(U, t\right)} & \qout{\lvert u \rangle}
} \end{array}\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
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple7, 8, 6
4Literal
5ExprTuple7, 8, 9
6ExprTuple10, 16
7ExprTuple11, 12
8ExprTuple13, 14
9ExprTuple15, 16
10ExprRangelambda_map: 17
start_index: 18
end_index: 89
11ExprRangelambda_map: 19
start_index: 99
end_index: 82
12ExprRangelambda_map: 20
start_index: 99
end_index: 83
13ExprRangelambda_map: 21
start_index: 99
end_index: 82
14ExprRangelambda_map: 21
start_index: 66
end_index: 67
15ExprRangelambda_map: 22
start_index: 99
end_index: 82
16ExprRangelambda_map: 23
start_index: 99
end_index: 83
17Lambdaparameter: 112
body: 24
18Operationoperator: 76
operands: 25
19Lambdaparameter: 112
body: 26
20Lambdaparameter: 112
body: 27
21Lambdaparameter: 112
body: 28
22Lambdaparameter: 112
body: 29
23Lambdaparameter: 112
body: 30
24Operationoperator: 56
operands: 31
25ExprTuple32, 99
26Operationoperator: 50
operands: 33
27Operationoperator: 37
operands: 34
28Operationoperator: 37
operands: 35
29Operationoperator: 37
operands: 36
30Operationoperator: 37
operands: 38
31NamedExprsstate: 39
32Operationoperator: 110
operand: 82
33NamedExprsstate: 40
34NamedExprselement: 41
targets: 47
35NamedExprselement: 42
targets: 43
36NamedExprselement: 44
targets: 45
37Literal
38NamedExprselement: 46
targets: 47
39Operationoperator: 86
operands: 48
40Operationoperator: 95
operand: 62
41Operationoperator: 50
operands: 57
42Operationoperator: 51
operands: 52
43Operationoperator: 58
operands: 53
44Operationoperator: 56
operands: 54
45Operationoperator: 58
operands: 55
46Operationoperator: 56
operands: 57
47Operationoperator: 58
operands: 59
48ExprTuple60, 61
49ExprTuple62
50Literal
51Literal
52NamedExprsoperation: 63
part: 112
53ExprTuple99, 67
54NamedExprsstate: 64
part: 112
55ExprTuple99, 82
56Literal
57NamedExprsstate: 65
part: 112
58Literal
59ExprTuple66, 67
60Operationoperator: 92
operands: 68
61Operationoperator: 69
operands: 70
62Literal
63Operationoperator: 71
operands: 72
64Operationoperator: 73
operand: 82
65Literal
66Operationoperator: 76
operands: 75
67Operationoperator: 76
operands: 77
68ExprTuple99, 78
69Literal
70ExprTuple79, 80
71Literal
72ExprTuple81, 82
73Literal
74ExprTuple82
75ExprTuple82, 99
76Literal
77ExprTuple82, 83
78Operationoperator: 106
operands: 84
79Operationoperator: 95
operand: 89
80Operationoperator: 86
operands: 87
81Literal
82Variable
83Literal
84ExprTuple108, 88
85ExprTuple89
86Literal
87ExprTuple90, 91
88Operationoperator: 92
operands: 93
89Literal
90Operationoperator: 106
operands: 94
91Operationoperator: 95
operand: 99
92Literal
93ExprTuple99, 108
94ExprTuple97, 98
95Literal
96ExprTuple99
97Literal
98Operationoperator: 100
operands: 101
99Literal
100Literal
101ExprTuple108, 102, 103, 104, 105
102Literal
103Literal
104Operationoperator: 106
operands: 107
105Literal
106Literal
107ExprTuple108, 109
108Literal
109Operationoperator: 110
operand: 112
110Literal
111ExprTuple112
112Variable