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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 Add, Exp, Interval, Mult, Sum, four, frac, one, subtract, two
from proveit.physics.quantum.QPE import _two_pow__t_minus_one
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Mult(frac(one, two), Sum(index_or_indices = [l], summand = frac(one, Exp(l, two)), domain = Interval(Add(e, one), subtract(_two_pow__t_minus_one, one)))), Mult(frac(one, four), frac(one, Exp(e, 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(\frac{1}{2} \cdot \left(\sum_{l = e + 1}^{2^{t - 1} - 1} \frac{1}{l^{2}}\right), \frac{1}{4} \cdot \frac{1}{e^{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
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple6, 7
4Literal
5ExprTuple8, 9
6Operationoperator: 23
operands: 10
7Operationoperator: 11
operand: 15
8Operationoperator: 23
operands: 13
9Operationoperator: 23
operands: 14
10ExprTuple49, 41
11Literal
12ExprTuple15
13ExprTuple49, 16
14ExprTuple49, 17
15Lambdaparameter: 32
body: 19
16Literal
17Operationoperator: 39
operands: 20
18ExprTuple32
19Conditionalvalue: 21
condition: 22
20ExprTuple37, 41
21Operationoperator: 23
operands: 24
22Operationoperator: 25
operands: 26
23Literal
24ExprTuple49, 27
25Literal
26ExprTuple32, 28
27Operationoperator: 39
operands: 29
28Operationoperator: 30
operands: 31
29ExprTuple32, 41
30Literal
31ExprTuple33, 34
32Variable
33Operationoperator: 43
operands: 35
34Operationoperator: 43
operands: 36
35ExprTuple37, 49
36ExprTuple38, 46
37Variable
38Operationoperator: 39
operands: 40
39Literal
40ExprTuple41, 42
41Literal
42Operationoperator: 43
operands: 44
43Literal
44ExprTuple45, 46
45Literal
46Operationoperator: 47
operand: 49
47Literal
48ExprTuple49
49Literal