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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, l
from proveit.core_expr_types import Len
from proveit.numbers import Exp, Mult, e, frac, i, one, pi, subtract, two
from proveit.physics.quantum.QPE import _delta_b_floor, _two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = ExprTuple(Len(operands = [frac(one, _two_pow_t), frac(subtract(one, Exp(e, Mult(two, pi, i, subtract(Mult(_two_pow_t, _delta_b_floor), l)))), subtract(one, Exp(e, Mult(two, pi, i, subtract(_delta_b_floor, frac(l, _two_pow_t))))))]), Len(operands = [ExprRange(sub_expr1, sub_expr1, one, two)]))
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}{2^{t}}, \frac{1 - \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \left(\left(2^{t} \cdot \delta_{b_{\textit{f}}}\right) - l\right)}}{1 - \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \left(\delta_{b_{\textit{f}}} - \frac{l}{2^{t}}\right)}}\right)|, |\left(1, \ldots, 2\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: 51
operands: 9
7Operationoperator: 51
operands: 10
8ExprRangelambda_map: 11
start_index: 19
end_index: 58
9ExprTuple19, 55
10ExprTuple12, 13
11Lambdaparameter: 17
body: 17
12Operationoperator: 37
operands: 15
13Operationoperator: 37
operands: 16
14ExprTuple17
15ExprTuple19, 18
16ExprTuple19, 20
17Variable
18Operationoperator: 45
operand: 23
19Literal
20Operationoperator: 45
operand: 24
21ExprTuple23
22ExprTuple24
23Operationoperator: 56
operands: 25
24Operationoperator: 56
operands: 26
25ExprTuple28, 27
26ExprTuple28, 29
27Operationoperator: 42
operands: 30
28Literal
29Operationoperator: 42
operands: 31
30ExprTuple58, 33, 34, 32
31ExprTuple58, 33, 34, 35
32Operationoperator: 37
operands: 36
33Literal
34Literal
35Operationoperator: 37
operands: 38
36ExprTuple39, 40
37Literal
38ExprTuple47, 41
39Operationoperator: 42
operands: 43
40Operationoperator: 45
operand: 54
41Operationoperator: 45
operand: 48
42Literal
43ExprTuple55, 47
44ExprTuple54
45Literal
46ExprTuple48
47Operationoperator: 49
operand: 53
48Operationoperator: 51
operands: 52
49Literal
50ExprTuple53
51Literal
52ExprTuple54, 55
53Literal
54Variable
55Operationoperator: 56
operands: 57
56Literal
57ExprTuple58, 59
58Literal
59Literal