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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, t
from proveit.core_expr_types import Len
from proveit.linear_algebra import ScalarMult, VecAdd
from proveit.numbers import Add, Exp, Mult, Neg, e, frac, i, one, pi, sqrt, two, zero
from proveit.physics.quantum import ket0, ket1
from proveit.physics.quantum.QPE import _phase
from proveit.physics.quantum.circuits import Output
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Neg(t)
sub_expr3 = frac(one, sqrt(two))
expr = ExprTuple(Len(operands = [Output(state = ScalarMult(sub_expr3, VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, Exp(two, Neg(Add(sub_expr2, one))), _phase)), ket1)))), ExprRange(sub_expr1, Output(state = ScalarMult(sub_expr3, VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, Exp(two, Neg(sub_expr1)), _phase)), ket1)))), Add(sub_expr2, two), zero).with_decreasing_order()]), Len(operands = [ExprRange(sub_expr1, sub_expr1, one, t)]))
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(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{-\left(-t + 1\right)} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)} 
} \end{array},\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \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)} 
} \end{array}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{t - 3} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)} 
} \end{array}, \ldots, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \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)} 
} \end{array}\right)|, |\left(1, 2, \ldots, t\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
4Literal
5ExprTuple8
6Operationoperator: 17
operands: 9
7ExprRangelambda_map: 10
start_index: 11
end_index: 41
8ExprRangelambda_map: 12
start_index: 71
end_index: 75
9NamedExprsstate: 13
10Lambdaparameter: 72
body: 14
11Operationoperator: 67
operands: 15
12Lambdaparameter: 72
body: 72
13Operationoperator: 37
operands: 16
14Operationoperator: 17
operands: 18
15ExprTuple70, 65
16ExprTuple24, 19
17Literal
18NamedExprsstate: 20
19Operationoperator: 28
operands: 21
20Operationoperator: 37
operands: 22
21ExprTuple32, 23
22ExprTuple24, 25
23Operationoperator: 37
operands: 26
24Operationoperator: 45
operands: 27
25Operationoperator: 28
operands: 29
26ExprTuple30, 43
27ExprTuple71, 31
28Literal
29ExprTuple32, 33
30Operationoperator: 62
operands: 34
31Operationoperator: 62
operands: 35
32Operationoperator: 48
operand: 41
33Operationoperator: 37
operands: 38
34ExprTuple51, 39
35ExprTuple65, 40
36ExprTuple41
37Literal
38ExprTuple42, 43
39Operationoperator: 54
operands: 44
40Operationoperator: 45
operands: 46
41Literal
42Operationoperator: 62
operands: 47
43Operationoperator: 48
operand: 71
44ExprTuple65, 57, 58, 50, 60
45Literal
46ExprTuple71, 65
47ExprTuple51, 52
48Literal
49ExprTuple71
50Operationoperator: 62
operands: 53
51Literal
52Operationoperator: 54
operands: 55
53ExprTuple65, 56
54Literal
55ExprTuple65, 57, 58, 59, 60
56Operationoperator: 73
operand: 64
57Literal
58Literal
59Operationoperator: 62
operands: 63
60Literal
61ExprTuple64
62Literal
63ExprTuple65, 66
64Operationoperator: 67
operands: 68
65Literal
66Operationoperator: 73
operand: 72
67Literal
68ExprTuple70, 71
69ExprTuple72
70Operationoperator: 73
operand: 75
71Literal
72Variable
73Literal
74ExprTuple75
75Variable