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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 Conditional, ExprTuple, k
from proveit.logic import InSet
from proveit.numbers import Exp, Interval, Mult, e, i, one, pi, subtract, two, zero
from proveit.physics.quantum.QPE import _phase, two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Mult(Exp(e, Mult(two, pi, i, _phase, two_pow_t)), Exp(e, Mult(two, pi, i, _phase, k)))
expr = ExprTuple(Conditional(sub_expr1, InSet(k, Interval(zero, subtract(two_pow_t, one)))), sub_expr1)
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(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot 2^{t}} \cdot \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot k} \textrm{ if } k \in \{0~\ldotp \ldotp~2^{t} - 1\}, \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot 2^{t}} \cdot \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot k}\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
1Conditionalvalue: 2
condition: 3
2Operationoperator: 20
operands: 4
3Operationoperator: 5
operands: 6
4ExprTuple7, 8
5Literal
6ExprTuple27, 9
7Operationoperator: 30
operands: 10
8Operationoperator: 30
operands: 11
9Operationoperator: 12
operands: 13
10ExprTuple15, 14
11ExprTuple15, 16
12Literal
13ExprTuple17, 18
14Operationoperator: 20
operands: 19
15Literal
16Operationoperator: 20
operands: 21
17Literal
18Operationoperator: 22
operands: 23
19ExprTuple34, 24, 25, 26, 28
20Literal
21ExprTuple34, 24, 25, 26, 27
22Literal
23ExprTuple28, 29
24Literal
25Literal
26Literal
27Variable
28Operationoperator: 30
operands: 31
29Operationoperator: 32
operand: 36
30Literal
31ExprTuple34, 35
32Literal
33ExprTuple36
34Literal
35Variable
36Literal