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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, Variable, t
from proveit.linear_algebra import ScalarMult, VecAdd
from proveit.numbers import Add, Exp, Mult, Neg, e, frac, i, one, pi, sqrt, two, zero
from proveit.physics.quantum import ket0, ket1
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}")
sub_expr2 = frac(one, sqrt(two))
expr = ExprTuple(ScalarMult(sub_expr2, VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, two_pow_t, _phase)), ket1))), ExprRange(sub_expr1, ScalarMult(sub_expr2, VecAdd(ket0, ScalarMult(Exp(e, Mult(two, pi, i, Exp(two, Neg(sub_expr1)), _phase)), ket1))), Add(Neg(t), one), zero).with_decreasing_order())
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}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{t} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right),\left(\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{t - 1} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)\right), \left(\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{t - 2} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)\right), \ldots, \left(\frac{1}{\sqrt{2}} \cdot \left(\lvert 0 \rangle + \left(\mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot 2^{0} \cdot \varphi} \cdot \lvert 1 \rangle\right)\right)\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: 28
operands: 3
2ExprRangelambda_map: 4
start_index: 5
end_index: 32
3ExprTuple14, 6
4Lambdaparameter: 59
body: 7
5Operationoperator: 8
operands: 9
6Operationoperator: 19
operands: 10
7Operationoperator: 28
operands: 11
8Literal
9ExprTuple12, 44
10ExprTuple23, 13
11ExprTuple14, 15
12Operationoperator: 57
operand: 48
13Operationoperator: 28
operands: 17
14Operationoperator: 36
operands: 18
15Operationoperator: 19
operands: 20
16ExprTuple48
17ExprTuple21, 34
18ExprTuple44, 22
19Literal
20ExprTuple23, 24
21Operationoperator: 53
operands: 25
22Operationoperator: 53
operands: 26
23Operationoperator: 39
operand: 32
24Operationoperator: 28
operands: 29
25ExprTuple42, 30
26ExprTuple55, 31
27ExprTuple32
28Literal
29ExprTuple33, 34
30Operationoperator: 46
operands: 35
31Operationoperator: 36
operands: 37
32Literal
33Operationoperator: 53
operands: 38
34Operationoperator: 39
operand: 44
35ExprTuple55, 49, 50, 41, 52
36Literal
37ExprTuple44, 55
38ExprTuple42, 43
39Literal
40ExprTuple44
41Operationoperator: 53
operands: 45
42Literal
43Operationoperator: 46
operands: 47
44Literal
45ExprTuple55, 48
46Literal
47ExprTuple55, 49, 50, 51, 52
48Variable
49Literal
50Literal
51Operationoperator: 53
operands: 54
52Literal
53Literal
54ExprTuple55, 56
55Literal
56Operationoperator: 57
operand: 59
57Literal
58ExprTuple59
59Variable