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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, l
from proveit.numbers import Add, Neg, frac
from proveit.physics.quantum.QPE import _b_floor, _delta_b_floor, _two_pow_t
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(frac(_b_floor, _two_pow_t), _delta_b_floor, Neg(frac(Add(_b_floor, l), _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{b_{\textit{f}}}{2^{t}}, \delta_{b_{\textit{f}}}, -\frac{b_{\textit{f}} + l}{2^{t}}\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, 3
1Operationoperator: 10
operands: 4
2Operationoperator: 5
operand: 18
3Operationoperator: 7
operand: 9
4ExprTuple18, 13
5Literal
6ExprTuple18
7Literal
8ExprTuple9
9Operationoperator: 10
operands: 11
10Literal
11ExprTuple12, 13
12Operationoperator: 14
operands: 15
13Operationoperator: 16
operands: 17
14Literal
15ExprTuple18, 19
16Literal
17ExprTuple20, 21
18Literal
19Variable
20Literal
21Literal