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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, TensorProd, VecAdd, VecSum
from proveit.numbers import Exp, Interval, Mult, e, i, one, pi, subtract, two, zero
from proveit.physics.quantum import NumKet, ket0, ket1
from proveit.physics.quantum.QPE import _phase, two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Exp(e, Mult(two, pi, i, _phase, two_pow_t))
sub_expr2 = VecSum(index_or_indices = [k], summand = ScalarMult(Exp(e, Mult(two, pi, i, _phase, k)), NumKet(k, t)), domain = Interval(zero, subtract(two_pow_t, one)))
sub_expr3 = TensorProd(ket0, sub_expr2)
expr = ExprTuple(VecAdd(sub_expr3, ScalarMult(sub_expr1, TensorProd(ket1, sub_expr2))), VecAdd(sub_expr3, TensorProd(ScalarMult(sub_expr1, ket1), sub_expr2)))
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(\lvert 0 \rangle {\otimes} \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}\right)\right)\right) + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot 2^{t}} \cdot \left(\lvert 1 \rangle {\otimes} \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}\right)\right)\right)\right), \left(\lvert 0 \rangle {\otimes} \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}\right)\right)\right) + \left(\left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi \cdot 2^{t}} \cdot \lvert 1 \rangle\right) {\otimes} \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}\right)\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: 4
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple7, 6
4Literal
5ExprTuple7, 8
6Operationoperator: 33
operands: 9
7Operationoperator: 15
operands: 10
8Operationoperator: 15
operands: 11
9ExprTuple20, 12
10ExprTuple13, 19
11ExprTuple14, 19
12Operationoperator: 15
operands: 16
13Operationoperator: 25
operand: 47
14Operationoperator: 33
operands: 18
15Literal
16ExprTuple21, 19
17ExprTuple47
18ExprTuple20, 21
19Operationoperator: 22
operand: 26
20Operationoperator: 59
operands: 24
21Operationoperator: 25
operand: 65
22Literal
23ExprTuple26
24ExprTuple45, 27
25Literal
26Lambdaparameter: 56
body: 29
27Operationoperator: 49
operands: 30
28ExprTuple56
29Conditionalvalue: 31
condition: 32
30ExprTuple63, 53, 54, 55, 57
31Operationoperator: 33
operands: 34
32Operationoperator: 35
operands: 36
33Literal
34ExprTuple37, 38
35Literal
36ExprTuple56, 39
37Operationoperator: 59
operands: 40
38Operationoperator: 41
operands: 42
39Operationoperator: 43
operands: 44
40ExprTuple45, 46
41Literal
42ExprTuple56, 64
43Literal
44ExprTuple47, 48
45Literal
46Operationoperator: 49
operands: 50
47Literal
48Operationoperator: 51
operands: 52
49Literal
50ExprTuple63, 53, 54, 55, 56
51Literal
52ExprTuple57, 58
53Literal
54Literal
55Literal
56Variable
57Operationoperator: 59
operands: 60
58Operationoperator: 61
operand: 65
59Literal
60ExprTuple63, 64
61Literal
62ExprTuple65
63Literal
64Variable
65Literal