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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, U
from proveit.linear_algebra import MatrixMult, ScalarMult
from proveit.logic import Equals, InSet
from proveit.numbers import Exp, Interval, IntervalCO, Mult, e, i, one, pi, subtract, two, zero
from proveit.physics.quantum import var_ket_u
from proveit.physics.quantum.QPE import phase, two_pow_t
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(InSet(Mult(two_pow_t, phase), Interval(zero, subtract(two_pow_t, one))), Equals(MatrixMult(U, var_ket_u), ScalarMult(Exp(e, Mult(two, pi, i, phase)), var_ket_u)), InSet(phase, IntervalCO(zero, one)))
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(2^{t} \cdot \varphi\right) \in \{0~\ldotp \ldotp~2^{t} - 1\}, \left(U \thinspace \lvert u \rangle\right) = \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \varphi} \cdot \lvert u \rangle\right), \varphi \in \left[0,1\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, 3
1Operationoperator: 7
operands: 4
2Operationoperator: 5
operands: 6
3Operationoperator: 7
operands: 8
4ExprTuple9, 10
5Literal
6ExprTuple11, 12
7Literal
8ExprTuple46, 13
9Operationoperator: 39
operands: 14
10Operationoperator: 15
operands: 16
11Operationoperator: 17
operands: 18
12Operationoperator: 19
operands: 20
13Operationoperator: 21
operands: 22
14ExprTuple31, 46
15Literal
16ExprTuple27, 23
17Literal
18ExprTuple24, 26
19Literal
20ExprTuple25, 26
21Literal
22ExprTuple27, 42
23Operationoperator: 28
operands: 29
24Variable
25Operationoperator: 35
operands: 30
26Variable
27Literal
28Literal
29ExprTuple31, 32
30ExprTuple33, 34
31Operationoperator: 35
operands: 36
32Operationoperator: 37
operand: 42
33Literal
34Operationoperator: 39
operands: 40
35Literal
36ExprTuple43, 41
37Literal
38ExprTuple42
39Literal
40ExprTuple43, 44, 45, 46
41Variable
42Literal
43Literal
44Literal
45Literal
46Variable