logo

Expression of type LessEq

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, LessEq, Sum, frac, one, subtract, two
from proveit.physics.quantum.QPE import _diff_l_scaled_delta_floor, _pos_domain
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [l]
expr = LessEq(Sum(index_or_indices = sub_expr1, summand = frac(one, Exp(_diff_l_scaled_delta_floor, two)), domain = _pos_domain), Sum(index_or_indices = sub_expr1, summand = frac(one, Exp(subtract(l, one), two)), domain = _pos_domain))
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(\sum_{l = e + 1}^{2^{t - 1}} \frac{1}{\left(l - \left(2^{t} \cdot \delta_{b_{\textit{f}}}\right)\right)^{2}}\right) \leq \left(\sum_{l = e + 1}^{2^{t - 1}} \frac{1}{\left(l - 1\right)^{2}}\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',)
directionDirection of the relation (normal or reversed)normalnormal('with_direction_reversed', 'is_reversed')
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 1
operands: 2
1Literal
2ExprTuple3, 4
3Operationoperator: 6
operand: 8
4Operationoperator: 6
operand: 9
5ExprTuple8
6Literal
7ExprTuple9
8Lambdaparameter: 37
body: 10
9Lambdaparameter: 37
body: 12
10Conditionalvalue: 13
condition: 15
11ExprTuple37
12Conditionalvalue: 14
condition: 15
13Operationoperator: 17
operands: 16
14Operationoperator: 17
operands: 18
15Operationoperator: 19
operands: 20
16ExprTuple51, 21
17Literal
18ExprTuple51, 22
19Literal
20ExprTuple37, 23
21Operationoperator: 52
operands: 24
22Operationoperator: 52
operands: 25
23Operationoperator: 26
operands: 27
24ExprTuple28, 56
25ExprTuple29, 56
26Literal
27ExprTuple30, 31
28Operationoperator: 41
operands: 32
29Operationoperator: 41
operands: 33
30Operationoperator: 41
operands: 34
31Operationoperator: 52
operands: 35
32ExprTuple37, 36
33ExprTuple37, 44
34ExprTuple38, 51
35ExprTuple56, 39
36Operationoperator: 47
operand: 43
37Variable
38Variable
39Operationoperator: 41
operands: 42
40ExprTuple43
41Literal
42ExprTuple57, 44
43Operationoperator: 45
operands: 46
44Operationoperator: 47
operand: 51
45Literal
46ExprTuple49, 50
47Literal
48ExprTuple51
49Operationoperator: 52
operands: 53
50Operationoperator: 54
operand: 58
51Literal
52Literal
53ExprTuple56, 57
54Literal
55ExprTuple58
56Literal
57Literal
58Literal