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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
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 = [ScalarMult(sub_expr3, VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, Exp(two, Neg(Add(sub_expr2, one))), _phase)), ket1))), ExprRange(sub_expr1, 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(\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),\left(\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)\right), \left(\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)\right), \ldots, \left(\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)\right)\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: 32
operands: 9
7ExprRangelambda_map: 10
start_index: 11
end_index: 36
8ExprRangelambda_map: 12
start_index: 66
end_index: 70
9ExprTuple19, 13
10Lambdaparameter: 67
body: 14
11Operationoperator: 62
operands: 15
12Lambdaparameter: 67
body: 67
13Operationoperator: 23
operands: 16
14Operationoperator: 32
operands: 17
15ExprTuple65, 60
16ExprTuple27, 18
17ExprTuple19, 20
18Operationoperator: 32
operands: 21
19Operationoperator: 40
operands: 22
20Operationoperator: 23
operands: 24
21ExprTuple25, 38
22ExprTuple66, 26
23Literal
24ExprTuple27, 28
25Operationoperator: 57
operands: 29
26Operationoperator: 57
operands: 30
27Operationoperator: 43
operand: 36
28Operationoperator: 32
operands: 33
29ExprTuple46, 34
30ExprTuple60, 35
31ExprTuple36
32Literal
33ExprTuple37, 38
34Operationoperator: 49
operands: 39
35Operationoperator: 40
operands: 41
36Literal
37Operationoperator: 57
operands: 42
38Operationoperator: 43
operand: 66
39ExprTuple60, 52, 53, 45, 55
40Literal
41ExprTuple66, 60
42ExprTuple46, 47
43Literal
44ExprTuple66
45Operationoperator: 57
operands: 48
46Literal
47Operationoperator: 49
operands: 50
48ExprTuple60, 51
49Literal
50ExprTuple60, 52, 53, 54, 55
51Operationoperator: 68
operand: 59
52Literal
53Literal
54Operationoperator: 57
operands: 58
55Literal
56ExprTuple59
57Literal
58ExprTuple60, 61
59Operationoperator: 62
operands: 63
60Literal
61Operationoperator: 68
operand: 67
62Literal
63ExprTuple65, 66
64ExprTuple67
65Operationoperator: 68
operand: 70
66Literal
67Variable
68Literal
69ExprTuple70
70Variable