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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, frac, one, subtract, two
from proveit.physics.quantum.QPE import _t, _two_pow_t
In [2]:
# build up the expression from sub-expressions
sub_expr1 = frac(one, two)
expr = Add(Mult(sub_expr1, Exp(two, Neg(_t))), subtract(Neg(sub_expr1), Mult(sub_expr1, frac(one, _two_pow_t))))
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(\frac{1}{2} \cdot 2^{-t}\right) + \left(-\frac{1}{2} - \left(\frac{1}{2} \cdot \frac{1}{2^{t}}\right)\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',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 5
operands: 1
1ExprTuple2, 3
2Operationoperator: 17
operands: 4
3Operationoperator: 5
operands: 6
4ExprTuple19, 7
5Literal
6ExprTuple8, 9
7Operationoperator: 26
operands: 10
8Operationoperator: 15
operand: 19
9Operationoperator: 15
operand: 14
10ExprTuple28, 13
11ExprTuple19
12ExprTuple14
13Operationoperator: 15
operand: 29
14Operationoperator: 17
operands: 18
15Literal
16ExprTuple29
17Literal
18ExprTuple19, 20
19Operationoperator: 22
operands: 21
20Operationoperator: 22
operands: 23
21ExprTuple24, 28
22Literal
23ExprTuple24, 25
24Literal
25Operationoperator: 26
operands: 27
26Literal
27ExprTuple28, 29
28Literal
29Literal