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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 Add, Exp, Mult, Neg, e, i, one, pi, two
from proveit.physics.quantum.QPE import _delta_b_floor, _t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Neg(one)
expr = Exp(e, Mult(two, pi, Add(_delta_b_floor, Mult(sub_expr1, l, Exp(two, Mult(sub_expr1, _t)))), i))
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}^{2 \cdot \pi \cdot \left(\delta_{b_{\textit{f}}} + \left(\left(-1\right) \cdot l \cdot 2^{\left(-1\right) \cdot t}\right)\right) \cdot \mathsf{i}}
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 18
operands: 1
1ExprTuple2, 3
2Literal
3Operationoperator: 22
operands: 4
4ExprTuple20, 5, 6, 7
5Literal
6Operationoperator: 8
operands: 9
7Literal
8Literal
9ExprTuple10, 11
10Operationoperator: 12
operand: 15
11Operationoperator: 22
operands: 14
12Literal
13ExprTuple15
14ExprTuple24, 16, 17
15Literal
16Variable
17Operationoperator: 18
operands: 19
18Literal
19ExprTuple20, 21
20Literal
21Operationoperator: 22
operands: 23
22Literal
23ExprTuple24, 25
24Operationoperator: 26
operand: 28
25Literal
26Literal
27ExprTuple28
28Literal