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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, e, l
from proveit.numbers import Exp, Interval, Sum, frac, one, subtract, two
from proveit.physics.quantum.QPE import _neg_domain, _two_pow__t_minus_one
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [l]
sub_expr2 = frac(one, Exp(l, two))
expr = ExprTuple(Sum(index_or_indices = sub_expr1, summand = sub_expr2, domain = _neg_domain), Sum(index_or_indices = sub_expr1, summand = sub_expr2, domain = Interval(e, subtract(_two_pow__t_minus_one, one))))
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(\sum_{l = -2^{t - 1} + 1}^{-\left(e + 1\right)} \frac{1}{l^{2}}, \sum_{l = e}^{2^{t - 1} - 1} \frac{1}{l^{2}}\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
operand: 6
2Operationoperator: 4
operand: 7
3ExprTuple6
4Literal
5ExprTuple7
6Lambdaparameter: 28
body: 8
7Lambdaparameter: 28
body: 10
8Conditionalvalue: 12
condition: 11
9ExprTuple28
10Conditionalvalue: 12
condition: 13
11Operationoperator: 17
operands: 14
12Operationoperator: 15
operands: 16
13Operationoperator: 17
operands: 18
14ExprTuple28, 19
15Literal
16ExprTuple49, 20
17Literal
18ExprTuple28, 21
19Operationoperator: 24
operands: 22
20Operationoperator: 39
operands: 23
21Operationoperator: 24
operands: 25
22ExprTuple26, 27
23ExprTuple28, 41
24Literal
25ExprTuple38, 29
26Operationoperator: 43
operands: 30
27Operationoperator: 47
operand: 34
28Variable
29Operationoperator: 43
operands: 32
30ExprTuple33, 49
31ExprTuple34
32ExprTuple37, 46
33Operationoperator: 47
operand: 37
34Operationoperator: 43
operands: 36
35ExprTuple37
36ExprTuple38, 49
37Operationoperator: 39
operands: 40
38Variable
39Literal
40ExprTuple41, 42
41Literal
42Operationoperator: 43
operands: 44
43Literal
44ExprTuple45, 46
45Literal
46Operationoperator: 47
operand: 49
47Literal
48ExprTuple49
49Literal