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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 k, m
from proveit.numbers import Exp, Mult, Neg, e, frac, i, pi, two
from proveit.physics.quantum.QPE import _two_pow_t
In [2]:
# build up the expression from sub-expressions
expr = Exp(e, Neg(Mult(frac(Mult(two, pi, i, m), _two_pow_t), k)))
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}^{-\left(\frac{2 \cdot \pi \cdot \mathsf{i} \cdot m}{2^{t}} \cdot k\right)}
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 16
operands: 1
1ExprTuple2, 3
2Literal
3Operationoperator: 4
operand: 6
4Literal
5ExprTuple6
6Operationoperator: 14
operands: 7
7ExprTuple8, 9
8Operationoperator: 10
operands: 11
9Variable
10Literal
11ExprTuple12, 13
12Operationoperator: 14
operands: 15
13Operationoperator: 16
operands: 17
14Literal
15ExprTuple21, 18, 19, 20
16Literal
17ExprTuple21, 22
18Literal
19Literal
20Variable
21Literal
22Literal