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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, e, i, one, pi, subtract, three, 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(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, three)]))
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(\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, 3\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
4Literal
5ExprTuple9
6Operationoperator: 13
operands: 10
7Operationoperator: 11
operands: 12
8Operationoperator: 13
operands: 14
9ExprRangelambda_map: 15
start_index: 52
end_index: 16
10ExprTuple17, 18
11Literal
12ExprTuple19, 20
13Literal
14ExprTuple56, 21
15Lambdaparameter: 32
body: 32
16Literal
17Operationoperator: 49
operands: 23
18Operationoperator: 24
operands: 25
19Operationoperator: 26
operands: 27
20Operationoperator: 28
operands: 29
21Operationoperator: 30
operands: 31
22ExprTuple32
23ExprTuple41, 56
24Literal
25ExprTuple37, 33
26Literal
27ExprTuple34, 36
28Literal
29ExprTuple35, 36
30Literal
31ExprTuple37, 52
32Variable
33Operationoperator: 38
operands: 39
34Variable
35Operationoperator: 45
operands: 40
36Variable
37Literal
38Literal
39ExprTuple41, 42
40ExprTuple43, 44
41Operationoperator: 45
operands: 46
42Operationoperator: 47
operand: 52
43Literal
44Operationoperator: 49
operands: 50
45Literal
46ExprTuple53, 51
47Literal
48ExprTuple52
49Literal
50ExprTuple53, 54, 55, 56
51Variable
52Literal
53Literal
54Literal
55Literal
56Variable