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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 ScalarMult, VecAdd
from proveit.numbers import Exp, Mult, Neg, e, frac, i, one, pi, sqrt, two
from proveit.physics.quantum import ket0, ket1
from proveit.physics.quantum.QPE import _phase
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(frac(one, sqrt(two)), VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, Exp(two, Neg(Variable("_a", latex_format = r"{_{-}a}"))), _phase)), ket1)))
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(\frac{1}{\sqrt{2}}, \lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{-{_{-}a}} \cdot \varphi} \cdot \lvert 1 \rangle\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: 17
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple24, 6
4Literal
5ExprTuple7, 8
6Operationoperator: 31
operands: 9
7Operationoperator: 20
operand: 14
8Operationoperator: 11
operands: 12
9ExprTuple33, 13
10ExprTuple14
11Literal
12ExprTuple15, 16
13Operationoperator: 17
operands: 18
14Literal
15Operationoperator: 31
operands: 19
16Operationoperator: 20
operand: 24
17Literal
18ExprTuple24, 33
19ExprTuple22, 23
20Literal
21ExprTuple24
22Literal
23Operationoperator: 25
operands: 26
24Literal
25Literal
26ExprTuple33, 27, 28, 29, 30
27Literal
28Literal
29Operationoperator: 31
operands: 32
30Literal
31Literal
32ExprTuple33, 34
33Literal
34Operationoperator: 35
operand: 37
35Literal
36ExprTuple37
37Variable