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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 ExprRange, ExprTuple, U, Variable
from proveit.core_expr_types import Len
from proveit.linear_algebra import MatrixMult, ScalarMult
from proveit.logic import Equals, InSet
from proveit.numbers import Exp, Interval, IntervalCO, Mult, Real, e, four, 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
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = ExprTuple(Len(operands = [InSet(phase, Real), 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))]), Len(operands = [ExprRange(sub_expr1, sub_expr1, one, four)]))
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(\varphi \in \mathbb{R}, \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)|, |\left(1, 2, \ldots, 4\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
3ExprTuple6, 7, 8, 9
4Literal
5ExprTuple10
6Operationoperator: 15
operands: 11
7Operationoperator: 15
operands: 12
8Operationoperator: 13
operands: 14
9Operationoperator: 15
operands: 16
10ExprRangelambda_map: 17
start_index: 55
end_index: 18
11ExprTuple59, 19
12ExprTuple20, 21
13Literal
14ExprTuple22, 23
15Literal
16ExprTuple59, 24
17Lambdaparameter: 35
body: 35
18Literal
19Literal
20Operationoperator: 52
operands: 26
21Operationoperator: 27
operands: 28
22Operationoperator: 29
operands: 30
23Operationoperator: 31
operands: 32
24Operationoperator: 33
operands: 34
25ExprTuple35
26ExprTuple44, 59
27Literal
28ExprTuple40, 36
29Literal
30ExprTuple37, 39
31Literal
32ExprTuple38, 39
33Literal
34ExprTuple40, 55
35Variable
36Operationoperator: 41
operands: 42
37Variable
38Operationoperator: 48
operands: 43
39Variable
40Literal
41Literal
42ExprTuple44, 45
43ExprTuple46, 47
44Operationoperator: 48
operands: 49
45Operationoperator: 50
operand: 55
46Literal
47Operationoperator: 52
operands: 53
48Literal
49ExprTuple56, 54
50Literal
51ExprTuple55
52Literal
53ExprTuple56, 57, 58, 59
54Variable
55Literal
56Literal
57Literal
58Literal
59Variable