logo

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, Lambda, Variable, m
from proveit.core_expr_types import Len
from proveit.numbers import Add, Interval, eight, one
from proveit.physics.quantum import I, NumKet, Z, ket_plus
from proveit.physics.quantum.QPE import QPE, _U, _ket_u, _s, _t
from proveit.physics.quantum.circuits import Gate, Input, Measure, MultiQubitElem, Output
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Add(_t, _s)
sub_expr3 = Interval(Add(_t, one), sub_expr2)
sub_expr4 = Lambda(sub_expr1, MultiQubitElem(element = Gate(operation = QPE(_U, _t), part = sub_expr1), targets = Interval(one, sub_expr2)))
expr = ExprTuple(Len(operands = [Lambda(sub_expr1, Input(state = ket_plus)), Lambda(sub_expr1, MultiQubitElem(element = Input(state = _ket_u, part = sub_expr1), targets = sub_expr3)), sub_expr4, sub_expr4, Lambda(sub_expr1, Measure(basis = Z)), Lambda(sub_expr1, Gate(operation = I).with_implicit_representation()), Lambda(sub_expr1, MultiQubitElem(element = Output(state = NumKet(m, _t), part = sub_expr1), targets = Interval(one, _t))), Lambda(sub_expr1, MultiQubitElem(element = Output(state = _ket_u, part = sub_expr1), targets = sub_expr3))]), Len(operands = [ExprRange(sub_expr1, sub_expr1, one, eight)]))
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(|\left({_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{\lvert + \rangle} & \qw 
} \end{array}, {_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{\lvert u \rangle~\mbox{part}~{_{-}a}~\mbox{on}~\{t + 1~\ldotp \ldotp~t + s\}} & \qw 
} \end{array}, {_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{\textrm{QPE}\left(U, t\right)~\mbox{part}~{_{-}a}~\mbox{on}~\{1~\ldotp \ldotp~t + s\}} & \qw 
} \end{array}, {_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{\textrm{QPE}\left(U, t\right)~\mbox{part}~{_{-}a}~\mbox{on}~\{1~\ldotp \ldotp~t + s\}} & \qw 
} \end{array}, {_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \meter 
} \end{array}, {_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qw & \qw 
} \end{array}, {_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{\lvert m \rangle_{t}~\mbox{part}~{_{-}a}~\mbox{on}~\{1~\ldotp \ldotp~t\}} 
} \end{array}, {_{-}a} \mapsto \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{\lvert u \rangle~\mbox{part}~{_{-}a}~\mbox{on}~\{t + 1~\ldotp \ldotp~t + s\}} 
} \end{array}\right)|, |\left(1, 2, \ldots, 8\right)|\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, 7, 8, 8, 9, 10, 11, 12
4Literal
5ExprTuple13
6Lambdaparameter: 59
body: 14
7Lambdaparameter: 59
body: 15
8Lambdaparameter: 59
body: 16
9Lambdaparameter: 59
body: 17
10Lambdaparameter: 59
body: 18
11Lambdaparameter: 59
body: 19
12Lambdaparameter: 59
body: 20
13ExprRangelambda_map: 21
start_index: 71
end_index: 22
14Operationoperator: 45
operands: 23
15Operationoperator: 30
operands: 24
16Operationoperator: 30
operands: 25
17Operationoperator: 26
operands: 27
18Operationoperator: 46
operands: 28
19Operationoperator: 30
operands: 29
20Operationoperator: 30
operands: 31
21Lambdaparameter: 59
body: 59
22Literal
23NamedExprsstate: 33
24NamedExprselement: 34
targets: 42
25NamedExprselement: 35
targets: 36
26Literal
27NamedExprsbasis: 37
28NamedExprsoperation: 38
29NamedExprselement: 39
targets: 40
30Literal
31NamedExprselement: 41
targets: 42
32ExprTuple59
33Operationoperator: 43
operand: 55
34Operationoperator: 45
operands: 52
35Operationoperator: 46
operands: 47
36Operationoperator: 53
operands: 48
37Literal
38Literal
39Operationoperator: 51
operands: 49
40Operationoperator: 53
operands: 50
41Operationoperator: 51
operands: 52
42Operationoperator: 53
operands: 54
43Literal
44ExprTuple55
45Literal
46Literal
47NamedExprsoperation: 56
part: 59
48ExprTuple71, 61
49NamedExprsstate: 57
part: 59
50ExprTuple71, 72
51Literal
52NamedExprsstate: 58
part: 59
53Literal
54ExprTuple60, 61
55Literal
56Operationoperator: 62
operands: 63
57Operationoperator: 64
operands: 65
58Literal
59Variable
60Operationoperator: 67
operands: 66
61Operationoperator: 67
operands: 68
62Literal
63ExprTuple69, 72
64Literal
65ExprTuple70, 72
66ExprTuple72, 71
67Literal
68ExprTuple72, 73
69Literal
70Variable
71Literal
72Literal
73Literal