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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, Variable
from proveit.linear_algebra import InnerProd, ScalarMult
from proveit.numbers import Exp, Mult, Neg, e, i, pi, two, zero
from proveit.physics.quantum import ket0, ket1
from proveit.physics.quantum.QPE import _phase
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Exp(e, Mult(two, pi, i, Exp(two, Neg(Variable("_a", latex_format = r"{_{-}a}"))), _phase))
expr = ExprTuple(ScalarMult(sub_expr1, InnerProd(ket0, ket1)), ScalarMult(sub_expr1, zero))
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 2^{-{_{-}a}} \cdot \varphi} \cdot \left \langle \lvert 0 \rangle, \lvert 1 \rangle\right \rangle, \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{-{_{-}a}} \cdot \varphi} \cdot 0\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, 20
6Operationoperator: 8
operands: 9
7Operationoperator: 26
operands: 10
8Literal
9ExprTuple11, 12
10ExprTuple13, 14
11Operationoperator: 16
operand: 20
12Operationoperator: 16
operand: 21
13Literal
14Operationoperator: 18
operands: 19
15ExprTuple20
16Literal
17ExprTuple21
18Literal
19ExprTuple28, 22, 23, 24, 25
20Literal
21Literal
22Literal
23Literal
24Operationoperator: 26
operands: 27
25Literal
26Literal
27ExprTuple28, 29
28Literal
29Operationoperator: 30
operand: 32
30Literal
31ExprTuple32
32Variable