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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 Abs, Mult, frac, one, pi, two
from proveit.physics.quantum.QPE import _delta_b_round, _two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = frac(one, _two_pow_t)
sub_expr2 = Abs(_delta_b_round)
sub_expr3 = Mult(pi, sub_expr2)
expr = ExprTuple(Mult(sub_expr1, frac(Mult(two, _two_pow_t, sub_expr2), sub_expr3)), Mult(sub_expr1, frac(Mult(_two_pow_t, Mult(two, sub_expr2)), sub_expr3)))
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}{2^{t}} \cdot \frac{2 \cdot 2^{t} \cdot \left|\delta_{b_{\textit{r}}}\right|}{\pi \cdot \left|\delta_{b_{\textit{r}}}\right|}, \frac{1}{2^{t}} \cdot \frac{2^{t} \cdot \left(2 \cdot \left|\delta_{b_{\textit{r}}}\right|\right)}{\pi \cdot \left|\delta_{b_{\textit{r}}}\right|}\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: 24
operands: 3
2Operationoperator: 24
operands: 4
3ExprTuple6, 5
4ExprTuple6, 7
5Operationoperator: 10
operands: 8
6Operationoperator: 10
operands: 9
7Operationoperator: 10
operands: 11
8ExprTuple12, 15
9ExprTuple13, 19
10Literal
11ExprTuple14, 15
12Operationoperator: 24
operands: 16
13Literal
14Operationoperator: 24
operands: 17
15Operationoperator: 24
operands: 18
16ExprTuple27, 19, 28
17ExprTuple19, 20
18ExprTuple21, 28
19Operationoperator: 22
operands: 23
20Operationoperator: 24
operands: 25
21Literal
22Literal
23ExprTuple27, 26
24Literal
25ExprTuple27, 28
26Literal
27Literal
28Operationoperator: 29
operand: 31
29Literal
30ExprTuple31
31Operationoperator: 32
operand: 34
32Literal
33ExprTuple34
34Literal