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Expression of type Mult

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.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 = Abs(_delta_b_round)
expr = Mult(frac(one, _two_pow_t), frac(Mult(_two_pow_t, Mult(two, sub_expr1)), Mult(pi, 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())
\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|}
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
operation'infix' or 'function' style formattinginfixinfix
wrap_positionsposition(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.()()('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'without_wrapping', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 17
operands: 1
1ExprTuple2, 3
2Operationoperator: 5
operands: 4
3Operationoperator: 5
operands: 6
4ExprTuple7, 12
5Literal
6ExprTuple8, 9
7Literal
8Operationoperator: 17
operands: 10
9Operationoperator: 17
operands: 11
10ExprTuple12, 13
11ExprTuple14, 21
12Operationoperator: 15
operands: 16
13Operationoperator: 17
operands: 18
14Literal
15Literal
16ExprTuple20, 19
17Literal
18ExprTuple20, 21
19Literal
20Literal
21Operationoperator: 22
operand: 24
22Literal
23ExprTuple24
24Operationoperator: 25
operand: 27
25Literal
26ExprTuple27
27Literal