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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, e, frac, i, pi, subtract, two
from proveit.physics.quantum.QPE import _delta_b_floor, _two_pow_t
In [2]:
# build up the expression from sub-expressions
expr = Exp(e, Mult(i, Mult(two, pi, subtract(_delta_b_floor, frac(l, _two_pow_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}}} - \frac{l}{2^{t}}\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: 25
operands: 1
1ExprTuple2, 3
2Literal
3Operationoperator: 7
operands: 4
4ExprTuple5, 6
5Literal
6Operationoperator: 7
operands: 8
7Literal
8ExprTuple27, 9, 10
9Literal
10Operationoperator: 11
operands: 12
11Literal
12ExprTuple13, 14
13Operationoperator: 15
operand: 19
14Operationoperator: 17
operand: 20
15Literal
16ExprTuple19
17Literal
18ExprTuple20
19Literal
20Operationoperator: 21
operands: 22
21Literal
22ExprTuple23, 24
23Variable
24Operationoperator: 25
operands: 26
25Literal
26ExprTuple27, 28
27Literal
28Literal