logo

Expression of type ExprTuple

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 ExprTuple
from proveit.numbers import Exp, Mult, four, frac, one, two
from proveit.physics.quantum.QPE import _diff_l_scaled_delta_floor
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Exp(_diff_l_scaled_delta_floor, two)
expr = ExprTuple(frac(one, Mult(four, sub_expr1)), Mult(frac(one, four), frac(one, sub_expr1)))
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())
\left(\frac{1}{4 \cdot \left(l - \left(2^{t} \cdot \delta_{b_{\textit{f}}}\right)\right)^{2}}, \frac{1}{4} \cdot \frac{1}{\left(l - \left(2^{t} \cdot \delta_{b_{\textit{f}}}\right)\right)^{2}}\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 2
1Operationoperator: 10
operands: 3
2Operationoperator: 24
operands: 4
3ExprTuple13, 5
4ExprTuple6, 7
5Operationoperator: 24
operands: 8
6Operationoperator: 10
operands: 9
7Operationoperator: 10
operands: 11
8ExprTuple12, 14
9ExprTuple13, 12
10Literal
11ExprTuple13, 14
12Literal
13Literal
14Operationoperator: 28
operands: 15
15ExprTuple16, 32
16Operationoperator: 17
operands: 18
17Literal
18ExprTuple19, 20
19Variable
20Operationoperator: 21
operand: 23
21Literal
22ExprTuple23
23Operationoperator: 24
operands: 25
24Literal
25ExprTuple26, 27
26Operationoperator: 28
operands: 29
27Operationoperator: 30
operand: 34
28Literal
29ExprTuple32, 33
30Literal
31ExprTuple34
32Literal
33Literal
34Literal