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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 import l
from proveit.numbers import Add, Exp, Mult, Neg, frac, one, pi, two
from proveit.physics.quantum.QPE import _delta_b_floor, _t
In [2]:
# build up the expression from sub-expressions
expr = Mult(frac(one, two), two, pi, Add(Neg(Mult(l, Exp(two, Neg(_t)))), _delta_b_floor), Exp(pi, Neg(one)))
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} \cdot 2 \cdot \pi \cdot \left(-\left(l \cdot 2^{-t}\right) + \delta_{b_{\textit{f}}}\right) \cdot \pi^{-1}
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: 21
operands: 1
1ExprTuple2, 27, 12, 3, 4
2Operationoperator: 5
operands: 6
3Operationoperator: 7
operands: 8
4Operationoperator: 25
operands: 9
5Literal
6ExprTuple20, 27
7Literal
8ExprTuple10, 11
9ExprTuple12, 13
10Operationoperator: 29
operand: 18
11Operationoperator: 15
operand: 19
12Literal
13Operationoperator: 29
operand: 20
14ExprTuple18
15Literal
16ExprTuple19
17ExprTuple20
18Operationoperator: 21
operands: 22
19Literal
20Literal
21Literal
22ExprTuple23, 24
23Variable
24Operationoperator: 25
operands: 26
25Literal
26ExprTuple27, 28
27Literal
28Operationoperator: 29
operand: 31
29Literal
30ExprTuple31
31Literal