logo

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, e, frac, i, one, pi, subtract, two
from proveit.physics.quantum.QPE import _delta_b_floor, _two_pow_t, _two_pow_t__minus_one
In [2]:
# build up the expression from sub-expressions
expr = Exp(Exp(e, Mult(two, pi, i, subtract(_delta_b_floor, frac(l, _two_pow_t)))), Add(_two_pow_t__minus_one, one))
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 \mathsf{i} \cdot \left(\delta_{b_{\textit{f}}} - \frac{l}{2^{t}}\right)})^{\left(2^{t} - 1\right) + 1}
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 32
operands: 1
1ExprTuple2, 3
2Operationoperator: 32
operands: 4
3Operationoperator: 16
operands: 5
4ExprTuple6, 7
5ExprTuple8, 21
6Literal
7Operationoperator: 9
operands: 10
8Operationoperator: 16
operands: 11
9Literal
10ExprTuple34, 12, 13, 14
11ExprTuple31, 15
12Literal
13Literal
14Operationoperator: 16
operands: 17
15Operationoperator: 24
operand: 21
16Literal
17ExprTuple19, 20
18ExprTuple21
19Operationoperator: 22
operand: 26
20Operationoperator: 24
operand: 27
21Literal
22Literal
23ExprTuple26
24Literal
25ExprTuple27
26Literal
27Operationoperator: 28
operands: 29
28Literal
29ExprTuple30, 31
30Variable
31Operationoperator: 32
operands: 33
32Literal
33ExprTuple34, 35
34Literal
35Literal