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Expression of type ExprTuple

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 ExprTuple, e
from proveit.numbers import Add, Exp, Mult, Neg, frac, one, subtract, two
from proveit.physics.quantum.QPE import _two_pow__t_minus_one, _two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Neg(e)
sub_expr2 = Mult(frac(one, Exp(two, one)), _two_pow_t)
sub_expr3 = subtract(sub_expr2, two)
expr = ExprTuple(Add(sub_expr3, Add(Neg(_two_pow__t_minus_one), one, sub_expr1)), Add(sub_expr3, Add(Neg(sub_expr2), one, sub_expr1)))
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(\left(\left(\frac{1}{2^{1}} \cdot 2^{t}\right) - 2\right) + \left(-2^{t - 1} + 1 - e\right), \left(\left(\frac{1}{2^{1}} \cdot 2^{t}\right) - 2\right) + \left(-\left(\frac{1}{2^{1}} \cdot 2^{t}\right) + 1 - e\right)\right)
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
wrap_positionsposition(s) at which wrapping is to occur; 'n' is after the nth comma.()()('with_wrapping_at',)
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'leftleft('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1, 2
1Operationoperator: 28
operands: 3
2Operationoperator: 28
operands: 4
3ExprTuple6, 5
4ExprTuple6, 7
5Operationoperator: 28
operands: 8
6Operationoperator: 28
operands: 9
7Operationoperator: 28
operands: 10
8ExprTuple11, 41, 14
9ExprTuple20, 12
10ExprTuple13, 41, 14
11Operationoperator: 36
operand: 19
12Operationoperator: 36
operand: 40
13Operationoperator: 36
operand: 20
14Operationoperator: 36
operand: 21
15ExprTuple19
16ExprTuple40
17ExprTuple20
18ExprTuple21
19Operationoperator: 38
operands: 22
20Operationoperator: 23
operands: 24
21Variable
22ExprTuple40, 25
23Literal
24ExprTuple26, 27
25Operationoperator: 28
operands: 29
26Operationoperator: 30
operands: 31
27Operationoperator: 38
operands: 32
28Literal
29ExprTuple35, 33
30Literal
31ExprTuple41, 34
32ExprTuple40, 35
33Operationoperator: 36
operand: 41
34Operationoperator: 38
operands: 39
35Literal
36Literal
37ExprTuple41
38Literal
39ExprTuple40, 41
40Literal
41Literal