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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, Exp, Mult, Neg, four, frac, one, two
from proveit.physics.quantum.QPE import _eps
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Add(one, frac(one, Mult(two, _eps)))
expr = Add(one, Neg(frac(one, Mult(two, sub_expr1))), Neg(frac(one, Mult(four, Exp(sub_expr1, two)))))
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())
1 - \frac{1}{2 \cdot \left(1 + \frac{1}{2 \cdot \epsilon}\right)} - \frac{1}{4 \cdot \left(1 + \frac{1}{2 \cdot \epsilon}\right)^{2}}
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: 20
operands: 1
1ExprTuple25, 2, 3
2Operationoperator: 5
operand: 7
3Operationoperator: 5
operand: 8
4ExprTuple7
5Literal
6ExprTuple8
7Operationoperator: 23
operands: 9
8Operationoperator: 23
operands: 10
9ExprTuple25, 11
10ExprTuple25, 12
11Operationoperator: 27
operands: 13
12Operationoperator: 27
operands: 14
13ExprTuple29, 19
14ExprTuple15, 16
15Literal
16Operationoperator: 17
operands: 18
17Literal
18ExprTuple19, 29
19Operationoperator: 20
operands: 21
20Literal
21ExprTuple25, 22
22Operationoperator: 23
operands: 24
23Literal
24ExprTuple25, 26
25Literal
26Operationoperator: 27
operands: 28
27Literal
28ExprTuple29, 30
29Literal
30Literal