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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, t
from proveit.linear_algebra import ScalarMult, VecAdd
from proveit.numbers import Add, Exp, Interval, Mult, Neg, e, frac, i, one, pi, sqrt, two
from proveit.physics.quantum import ket0, ket1
from proveit.physics.quantum.QPE import _phase
from proveit.physics.quantum.circuits import MultiQubitElem, Output
In [2]:
# build up the expression from sub-expressions
sub_expr1 = ScalarMult(frac(one, sqrt(two)), VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, Exp(two, Neg(Add(Neg(t), one))), _phase)), ket1)))
expr = ExprTuple(MultiQubitElem(element = Output(state = sub_expr1, part = one), targets = Interval(one, one)), Output(state = 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(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{-\left(-t + 1\right)} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)~\mbox{part}~1~\mbox{on}~\{1~\ldotp \ldotp~1\}} 
} \end{array}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{-\left(-t + 1\right)} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)} 
} \end{array}\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: 3
operands: 4
2Operationoperator: 8
operands: 5
3Literal
4NamedExprselement: 6
targets: 7
5NamedExprsstate: 12
6Operationoperator: 8
operands: 9
7Operationoperator: 10
operands: 11
8Literal
9NamedExprsstate: 12
part: 52
10Literal
11ExprTuple52, 52
12Operationoperator: 24
operands: 13
13ExprTuple14, 15
14Operationoperator: 30
operands: 16
15Operationoperator: 17
operands: 18
16ExprTuple52, 19
17Literal
18ExprTuple20, 21
19Operationoperator: 43
operands: 22
20Operationoperator: 33
operand: 27
21Operationoperator: 24
operands: 25
22ExprTuple45, 26
23ExprTuple27
24Literal
25ExprTuple28, 29
26Operationoperator: 30
operands: 31
27Literal
28Operationoperator: 43
operands: 32
29Operationoperator: 33
operand: 52
30Literal
31ExprTuple52, 45
32ExprTuple35, 36
33Literal
34ExprTuple52
35Literal
36Operationoperator: 37
operands: 38
37Literal
38ExprTuple45, 39, 40, 41, 42
39Literal
40Literal
41Operationoperator: 43
operands: 44
42Literal
43Literal
44ExprTuple45, 46
45Literal
46Operationoperator: 53
operand: 48
47ExprTuple48
48Operationoperator: 49
operands: 50
49Literal
50ExprTuple51, 52
51Operationoperator: 53
operand: 55
52Literal
53Literal
54ExprTuple55
55Variable