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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, k, t
from proveit.linear_algebra import ScalarMult, VecAdd, VecSum
from proveit.numbers import Add, Exp, Interval, Mult, e, i, one, pi, subtract, two, zero
from proveit.physics.quantum import NumKet
from proveit.physics.quantum.QPE import _phase, two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [k]
sub_expr2 = ScalarMult(Exp(e, Mult(two, pi, i, _phase, k)), NumKet(k, Add(t, one)))
sub_expr3 = subtract(Mult(two, two_pow_t), one)
expr = ExprTuple(VecSum(index_or_indices = sub_expr1, summand = sub_expr2, domain = Interval(zero, sub_expr3)), VecAdd(VecSum(index_or_indices = sub_expr1, summand = sub_expr2, domain = Interval(zero, subtract(two_pow_t, one))), VecSum(index_or_indices = sub_expr1, summand = sub_expr2, domain = Interval(two_pow_t, sub_expr3))))
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_{k=0}^{\left(2 \cdot 2^{t}\right) - 1} \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot k} \cdot \lvert k \rangle_{t + 1}\right), \left(\sum_{k=0}^{2^{t} - 1} \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot k} \cdot \lvert k \rangle_{t + 1}\right)\right) + \left(\sum_{k=2^{t}}^{\left(2 \cdot 2^{t}\right) - 1} \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot k} \cdot \lvert k \rangle_{t + 1}\right)\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: 11
operand: 6
2Operationoperator: 4
operands: 5
3ExprTuple6
4Literal
5ExprTuple7, 8
6Lambdaparameter: 54
body: 9
7Operationoperator: 11
operand: 14
8Operationoperator: 11
operand: 15
9Conditionalvalue: 22
condition: 13
10ExprTuple14
11Literal
12ExprTuple15
13Operationoperator: 28
operands: 16
14Lambdaparameter: 54
body: 17
15Lambdaparameter: 54
body: 19
16ExprTuple54, 20
17Conditionalvalue: 22
condition: 21
18ExprTuple54
19Conditionalvalue: 22
condition: 23
20Operationoperator: 38
operands: 24
21Operationoperator: 28
operands: 25
22Operationoperator: 26
operands: 27
23Operationoperator: 28
operands: 29
24ExprTuple40, 45
25ExprTuple54, 30
26Literal
27ExprTuple31, 32
28Literal
29ExprTuple54, 33
30Operationoperator: 38
operands: 34
31Operationoperator: 63
operands: 35
32Operationoperator: 36
operands: 37
33Operationoperator: 38
operands: 39
34ExprTuple40, 41
35ExprTuple42, 43
36Literal
37ExprTuple54, 44
38Literal
39ExprTuple61, 45
40Literal
41Operationoperator: 49
operands: 46
42Literal
43Operationoperator: 57
operands: 47
44Operationoperator: 49
operands: 48
45Operationoperator: 49
operands: 50
46ExprTuple61, 56
47ExprTuple65, 51, 52, 53, 54
48ExprTuple66, 62
49Literal
50ExprTuple55, 56
51Literal
52Literal
53Literal
54Variable
55Operationoperator: 57
operands: 58
56Operationoperator: 59
operand: 62
57Literal
58ExprTuple65, 61
59Literal
60ExprTuple62
61Operationoperator: 63
operands: 64
62Literal
63Literal
64ExprTuple65, 66
65Literal
66Variable