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, Variable, VertExprArray
from proveit.linear_algebra import TensorProd
from proveit.numbers import Add, Interval, one
from proveit.physics.quantum import I
from proveit.physics.quantum.QFT import InverseFourierTransform
from proveit.physics.quantum.QPE import _Psi_ket, _ket_u, _psi__t_ket, _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, _s)
sub_expr3 = Add(_t, one)
sub_expr4 = Interval(one, _t)
sub_expr5 = MultiQubitElem(element = Input(state = TensorProd(_psi__t_ket, _ket_u), part = sub_expr1), targets = Interval(one, sub_expr2))
expr = ExprTuple(Qcircuit(vert_expr_array = VertExprArray([ExprRange(sub_expr1, sub_expr5, one, _t).with_wrapping_at(2,6), ExprRange(sub_expr1, sub_expr5, sub_expr3, sub_expr2).with_wrapping_at(2,6)], [ExprRange(sub_expr1, MultiQubitElem(element = Gate(operation = InverseFourierTransform(_t), part = sub_expr1), targets = sub_expr4), one, _t), ExprRange(sub_expr1, Gate(operation = I).with_implicit_representation(), one, _s)], [ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _Psi_ket, part = sub_expr1), targets = sub_expr4), one, _t), ExprRange(sub_expr1, MultiQubitElem(element = Output(state = _ket_u, part = sub_expr1), targets = Interval(sub_expr3, sub_expr2)), one, _s)])))
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{1}{\lvert \psi_{t} \rangle {\otimes} \lvert u \rangle} & \gate{{\mathrm {FT}}^{\dag}_{t}} & \qout{\lvert \Psi \rangle} \\
\ghostqin{\lvert \psi_{t} \rangle {\otimes} \lvert u \rangle} & { /^{s} } \qw & \qout{\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: 63
end_index: 67
8ExprRangelambda_map: 13
start_index: 53
end_index: 54
9ExprRangelambda_map: 14
start_index: 63
end_index: 67
10ExprRangelambda_map: 15
start_index: 63
end_index: 64
11ExprRangelambda_map: 16
start_index: 63
end_index: 67
12ExprRangelambda_map: 17
start_index: 63
end_index: 64
13Lambdaparameter: 52
body: 18
14Lambdaparameter: 52
body: 19
15Lambdaparameter: 52
body: 20
16Lambdaparameter: 52
body: 21
17Lambdaparameter: 52
body: 23
18Operationoperator: 28
operands: 24
19Operationoperator: 28
operands: 25
20Operationoperator: 41
operands: 26
21Operationoperator: 28
operands: 27
22ExprTuple52
23Operationoperator: 28
operands: 29
24NamedExprselement: 30
targets: 31
25NamedExprselement: 32
targets: 35
26NamedExprsoperation: 33
27NamedExprselement: 34
targets: 35
28Literal
29NamedExprselement: 36
targets: 37
30Operationoperator: 38
operands: 39
31Operationoperator: 47
operands: 40
32Operationoperator: 41
operands: 42
33Literal
34Operationoperator: 45
operands: 43
35Operationoperator: 47
operands: 44
36Operationoperator: 45
operands: 46
37Operationoperator: 47
operands: 48
38Literal
39NamedExprsstate: 49
part: 52
40ExprTuple63, 54
41Literal
42NamedExprsoperation: 50
part: 52
43NamedExprsstate: 51
part: 52
44ExprTuple63, 67
45Literal
46NamedExprsstate: 62
part: 52
47Literal
48ExprTuple53, 54
49Operationoperator: 55
operands: 56
50Operationoperator: 57
operand: 67
51Literal
52Variable
53Operationoperator: 59
operands: 58
54Operationoperator: 59
operands: 60
55Literal
56ExprTuple61, 62
57Literal
58ExprTuple67, 63
59Literal
60ExprTuple67, 64
61Operationoperator: 65
operand: 67
62Literal
63Literal
64Literal
65Literal
66ExprTuple67
67Literal