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Expression of type Add

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 Add, Ceil, Log, Mult, frac, one, subtract, two
from proveit.physics.quantum.QPE import _eps, _n
In [2]:
# build up the expression from sub-expressions
expr = subtract(Add(_n, Ceil(Log(two, Add(two, frac(one, Mult(two, _eps)))))), _n)
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(n + \left\lceil \textrm{log}_2\left(2 + \frac{1}{2 \cdot \epsilon}\right)\right\rceil\right) - n
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: 15
operands: 1
1ExprTuple2, 3
2Operationoperator: 15
operands: 4
3Operationoperator: 5
operand: 8
4ExprTuple8, 7
5Literal
6ExprTuple8
7Operationoperator: 9
operand: 11
8Literal
9Literal
10ExprTuple11
11Operationoperator: 12
operands: 13
12Literal
13ExprTuple24, 14
14Operationoperator: 15
operands: 16
15Literal
16ExprTuple24, 17
17Operationoperator: 18
operands: 19
18Literal
19ExprTuple20, 21
20Literal
21Operationoperator: 22
operands: 23
22Literal
23ExprTuple24, 25
24Literal
25Literal