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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 ExprTuple, Variable, k
from proveit.numbers import Add, Exp, Mult, Neg, Sum, e, frac, i, one, pi, two
from proveit.physics.quantum.QPE import _b_floor, _delta_b_floor, _m_domain, _rel_indexed_alpha, _two_pow_t
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(_rel_indexed_alpha, Mult(frac(one, _two_pow_t), Sum(index_or_indices = [k], summand = Exp(Exp(e, Mult(two, pi, i, Add(frac(_b_floor, _two_pow_t), _delta_b_floor, Neg(Variable("_a", latex_format = r"{_{-}a}"))))), k), domain = _m_domain)))
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(\alpha_{b_{\textit{f}} \oplus l}, \frac{1}{2^{t}} \cdot \left(\sum_{k = 0}^{2^{t} - 1} (\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \left(\frac{b_{\textit{f}}}{2^{t}} + \delta_{b_{\textit{f}}} - {_{-}a}\right)})^{k}\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: 3
operand: 6
2Operationoperator: 33
operands: 5
3Literal
4ExprTuple6
5ExprTuple7, 8
6Operationoperator: 9
operands: 10
7Operationoperator: 47
operands: 11
8Operationoperator: 12
operand: 15
9Literal
10ExprTuple54, 14
11ExprTuple46, 53
12Literal
13ExprTuple15
14Variable
15Lambdaparameter: 24
body: 17
16ExprTuple24
17Conditionalvalue: 18
condition: 19
18Operationoperator: 56
operands: 20
19Operationoperator: 21
operands: 22
20ExprTuple23, 24
21Literal
22ExprTuple24, 25
23Operationoperator: 56
operands: 26
24Variable
25Operationoperator: 27
operands: 28
26ExprTuple29, 30
27Literal
28ExprTuple31, 32
29Literal
30Operationoperator: 33
operands: 34
31Literal
32Operationoperator: 40
operands: 35
33Literal
34ExprTuple58, 36, 37, 38
35ExprTuple53, 39
36Literal
37Literal
38Operationoperator: 40
operands: 41
39Operationoperator: 51
operand: 46
40Literal
41ExprTuple43, 44, 45
42ExprTuple46
43Operationoperator: 47
operands: 48
44Operationoperator: 49
operand: 54
45Operationoperator: 51
operand: 55
46Literal
47Literal
48ExprTuple54, 53
49Literal
50ExprTuple54
51Literal
52ExprTuple55
53Operationoperator: 56
operands: 57
54Literal
55Variable
56Literal
57ExprTuple58, 59
58Literal
59Literal