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Expression of type Exp

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 l
from proveit.numbers import Exp, Mult, Neg, e, i, pi, subtract, two
from proveit.physics.quantum.QPE import _delta_b_floor, _t
In [2]:
# build up the expression from sub-expressions
expr = Exp(e, Mult(i, Mult(two, pi, subtract(_delta_b_floor, Mult(l, Exp(two, Neg(_t)))))))
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())
\mathsf{e}^{\mathsf{i} \cdot \left(2 \cdot \pi \cdot \left(\delta_{b_{\textit{f}}} - \left(l \cdot 2^{-t}\right)\right)\right)}
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 23
operands: 1
1ExprTuple2, 3
2Literal
3Operationoperator: 19
operands: 4
4ExprTuple5, 6
5Literal
6Operationoperator: 19
operands: 7
7ExprTuple25, 8, 9
8Literal
9Operationoperator: 10
operands: 11
10Literal
11ExprTuple12, 13
12Operationoperator: 14
operand: 17
13Operationoperator: 27
operand: 18
14Literal
15ExprTuple17
16ExprTuple18
17Literal
18Operationoperator: 19
operands: 20
19Literal
20ExprTuple21, 22
21Variable
22Operationoperator: 23
operands: 24
23Literal
24ExprTuple25, 26
25Literal
26Operationoperator: 27
operand: 29
27Literal
28ExprTuple29
29Literal