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Expression of type Div

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 l
from proveit.numbers import Exp, Mult, Neg, frac, pi, subtract, two
from proveit.physics.quantum.QPE import _delta_b_floor, _t
In [2]:
# build up the expression from sub-expressions
expr = frac(Mult(two, pi, subtract(_delta_b_floor, Mult(l, Exp(two, Neg(_t))))), Mult(two, pi))
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{2 \cdot \pi \cdot \left(\delta_{b_{\textit{f}}} - \left(l \cdot 2^{-t}\right)\right)}{2 \cdot \pi}
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',)
division'inline': uses '/'; 'fraction': numerator over the denominator (also see 'frac' function)fractionfraction('with_inline_style', 'with_fraction_style')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 1
operands: 2
1Literal
2ExprTuple3, 4
3Operationoperator: 18
operands: 5
4Operationoperator: 18
operands: 6
5ExprTuple24, 8, 7
6ExprTuple24, 8
7Operationoperator: 9
operands: 10
8Literal
9Literal
10ExprTuple11, 12
11Operationoperator: 13
operand: 16
12Operationoperator: 26
operand: 17
13Literal
14ExprTuple16
15ExprTuple17
16Literal
17Operationoperator: 18
operands: 19
18Literal
19ExprTuple20, 21
20Variable
21Operationoperator: 22
operands: 23
22Literal
23ExprTuple24, 25
24Literal
25Operationoperator: 26
operand: 28
26Literal
27ExprTuple28
28Literal