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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
from proveit.linear_algebra import TensorProd
from proveit.numbers import Add, Interval, one
from proveit.physics.quantum import ket_plus
from proveit.physics.quantum.QPE import QPE, _Psi_ket, _U, _ket_u, _s, _t
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(one, sub_expr3)
sub_expr5 = MultiQubitElem(element = Gate(operation = QPE(_U, _t), part = sub_expr1), targets = sub_expr4)
sub_expr6 = MultiQubitElem(element = Output(state = TensorProd(_Psi_ket, _ket_u), part = sub_expr1), targets = sub_expr4)
expr = ExprTuple(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 = Interval(sub_expr2, sub_expr3)), one, _s)], [ExprRange(sub_expr1, sub_expr5, one, _t), ExprRange(sub_expr1, sub_expr5, sub_expr2, sub_expr3)], [ExprRange(sub_expr1, sub_expr6, one, _t).with_wrapping_at(2,6), ExprRange(sub_expr1, sub_expr6, sub_expr2, sub_expr3).with_wrapping_at(2,6)])))
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}\left(U, t\right)} & \multiqout{4}{\lvert \Psi \rangle {\otimes} \lvert u \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \ghostqout{\lvert \Psi \rangle {\otimes} \lvert u \rangle} \\
\qin{\begin{array}{c}:\\ \left(t - 3\right) \times \\:\end{array}} & \ghost{\textrm{QPE}\left(U, t\right)} & \ghostqout{\lvert \Psi \rangle {\otimes} \lvert u \rangle} \\
\qin{\lvert + \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \ghostqout{\lvert \Psi \rangle {\otimes} \lvert u \rangle} \\
\qin{\lvert u \rangle} & \ghost{\textrm{QPE}\left(U, t\right)} & \ghostqout{\lvert \Psi \rangle {\otimes} \lvert u \rangle}
} \end{array}\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Operationoperator: 2
operands: 3
2Literal
3ExprTuple4, 5, 6
4ExprTuple7, 8
5ExprTuple9, 10
6ExprTuple11, 12
7ExprRangelambda_map: 13
start_index: 57
end_index: 61
8ExprRangelambda_map: 14
start_index: 57
end_index: 62
9ExprRangelambda_map: 15
start_index: 57
end_index: 61
10ExprRangelambda_map: 15
start_index: 45
end_index: 49
11ExprRangelambda_map: 16
start_index: 57
end_index: 61
12ExprRangelambda_map: 16
start_index: 45
end_index: 49
13Lambdaparameter: 48
body: 17
14Lambdaparameter: 48
body: 18
15Lambdaparameter: 48
body: 19
16Lambdaparameter: 48
body: 21
17Operationoperator: 35
operands: 22
18Operationoperator: 25
operands: 23
19Operationoperator: 25
operands: 24
20ExprTuple48
21Operationoperator: 25
operands: 26
22NamedExprsstate: 27
23NamedExprselement: 28
targets: 29
24NamedExprselement: 30
targets: 32
25Literal
26NamedExprselement: 31
targets: 32
27Operationoperator: 33
operand: 44
28Operationoperator: 35
operands: 36
29Operationoperator: 42
operands: 37
30Operationoperator: 38
operands: 39
31Operationoperator: 40
operands: 41
32Operationoperator: 42
operands: 43
33Literal
34ExprTuple44
35Literal
36NamedExprsstate: 60
part: 48
37ExprTuple45, 49
38Literal
39NamedExprsoperation: 46
part: 48
40Literal
41NamedExprsstate: 47
part: 48
42Literal
43ExprTuple57, 49
44Literal
45Operationoperator: 55
operands: 50
46Operationoperator: 51
operands: 52
47Operationoperator: 53
operands: 54
48Variable
49Operationoperator: 55
operands: 56
50ExprTuple61, 57
51Literal
52ExprTuple58, 61
53Literal
54ExprTuple59, 60
55Literal
56ExprTuple61, 62
57Literal
58Literal
59Literal
60Literal
61Literal
62Literal