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 Variable
from proveit.numbers import Exp, Mult, e, i, pi, two
from proveit.physics.quantum.QPE import _delta_b_round
In [2]:
# build up the expression from sub-expressions
expr = Exp(Exp(e, Mult(two, pi, i, _delta_b_round)), Variable("_a", latex_format = r"{_{-}a}"))
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 \delta_{b_{\textit{r}}}})^{{_{-}a}}
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 4
operands: 1
1ExprTuple2, 3
2Operationoperator: 4
operands: 5
3Variable
4Literal
5ExprTuple6, 7
6Literal
7Operationoperator: 8
operands: 9
8Literal
9ExprTuple10, 11, 12, 13
10Literal
11Literal
12Literal
13Operationoperator: 14
operand: 16
14Literal
15ExprTuple16
16Literal