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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.linear_algebra import TensorProd
from proveit.numbers import Add, Interval, one
from proveit.physics.quantum import NumKet, Z
from proveit.physics.quantum.QPE import _Psi_ket, _ket_u, _s, _s_wire, _t
from proveit.physics.quantum.circuits import Input, Measure, MultiQubitElem, Output, Qcircuit
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Interval(one, _t)
sub_expr3 = Add(_t, one)
sub_expr4 = Add(_t, _s)
sub_expr5 = Interval(sub_expr3, sub_expr4)
sub_expr6 = [ExprRange(sub_expr1, Measure(basis = Z), one, _t), _s_wire]
sub_expr7 = MultiQubitElem(element = Input(state = TensorProd(_Psi_ket, _ket_u), part = sub_expr1), targets = Interval(one, sub_expr4))
sub_expr8 = [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_expr5), one, _s)]
expr = ExprTuple(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_expr5), one, _s)], sub_expr6, sub_expr8)), Qcircuit(vert_expr_array = VertExprArray([ExprRange(sub_expr1, sub_expr7, one, _t).with_wrapping_at(2,6), ExprRange(sub_expr1, sub_expr7, sub_expr3, sub_expr4).with_wrapping_at(2,6)], sub_expr6, sub_expr8)))
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{
\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}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
\multiqin{4}{\lvert \Psi \rangle {\otimes} \lvert u \rangle} & \meter & \multiqout{3}{\lvert m \rangle_{t}} \\
\ghostqin{\lvert \Psi \rangle {\otimes} \lvert u \rangle} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\ghostqin{\lvert \Psi \rangle {\otimes} \lvert u \rangle} & \measure{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} \qw & \ghostqout{\lvert m \rangle_{t}} \\
\ghostqin{\lvert \Psi \rangle {\otimes} \lvert u \rangle} & \meter & \ghostqout{\lvert m \rangle_{t}} \\
\ghostqin{\lvert \Psi \rangle {\otimes} \lvert u \rangle} & { /^{s} } \qw & \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
3ExprTuple6, 8, 9
4Literal
5ExprTuple7, 8, 9
6ExprTuple10, 11
7ExprTuple12, 13
8ExprTuple14, 15
9ExprTuple16, 17
10ExprRangelambda_map: 18
start_index: 78
end_index: 79
11ExprRangelambda_map: 19
start_index: 78
end_index: 80
12ExprRangelambda_map: 20
start_index: 78
end_index: 79
13ExprRangelambda_map: 20
start_index: 66
end_index: 67
14ExprRangelambda_map: 21
start_index: 78
end_index: 79
15ExprRangelambda_map: 22
start_index: 78
end_index: 80
16ExprRangelambda_map: 23
start_index: 78
end_index: 79
17ExprRangelambda_map: 24
start_index: 78
end_index: 80
18Lambdaparameter: 65
body: 25
19Lambdaparameter: 65
body: 26
20Lambdaparameter: 65
body: 27
21Lambdaparameter: 65
body: 28
22Lambdaparameter: 65
body: 29
23Lambdaparameter: 65
body: 30
24Lambdaparameter: 65
body: 32
25Operationoperator: 41
operands: 33
26Operationoperator: 41
operands: 34
27Operationoperator: 41
operands: 35
28Operationoperator: 36
operands: 37
29Operationoperator: 38
operands: 39
30Operationoperator: 41
operands: 40
31ExprTuple65
32Operationoperator: 41
operands: 42
33NamedExprselement: 43
targets: 50
34NamedExprselement: 44
targets: 52
35NamedExprselement: 45
targets: 46
36Literal
37NamedExprsbasis: 47
38Literal
39NamedExprsoperation: 48
40NamedExprselement: 49
targets: 50
41Literal
42NamedExprselement: 51
targets: 52
43Operationoperator: 54
operands: 53
44Operationoperator: 54
operands: 60
45Operationoperator: 54
operands: 55
46Operationoperator: 61
operands: 56
47Literal
48Literal
49Operationoperator: 59
operands: 57
50Operationoperator: 61
operands: 58
51Operationoperator: 59
operands: 60
52Operationoperator: 61
operands: 62
53NamedExprsstate: 75
part: 65
54Literal
55NamedExprsstate: 63
part: 65
56ExprTuple78, 67
57NamedExprsstate: 64
part: 65
58ExprTuple78, 79
59Literal
60NamedExprsstate: 76
part: 65
61Literal
62ExprTuple66, 67
63Operationoperator: 68
operands: 69
64Operationoperator: 70
operands: 71
65Variable
66Operationoperator: 73
operands: 72
67Operationoperator: 73
operands: 74
68Literal
69ExprTuple75, 76
70Literal
71ExprTuple77, 79
72ExprTuple79, 78
73Literal
74ExprTuple79, 80
75Literal
76Literal
77Variable
78Literal
79Literal
80Literal