logo

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 ExprRange, ExprTuple, Variable, t
from proveit.numbers import Add, Neg, one, two, zero
from proveit.physics.quantum.QPE import _s
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = Neg(t)
sub_expr3 = Add(t, _s)
expr = ExprTuple([zero, ExprRange(sub_expr1, Add(sub_expr1, Neg(one), t), Add(sub_expr2, two), zero), t, sub_expr3], [zero, ExprRange(sub_expr1, Add(sub_expr1, t), Add(sub_expr2, one), zero), sub_expr3])
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(0,\left(\left(-t + 2\right) - 1 + t\right), \left(\left(-t + 3\right) - 1 + t\right), \ldots, \left(0 - 1 + t\right), t, t + s\right), \left(0,\left(\left(-t + 1\right) + t\right), \left(\left(-t + 2\right) + t\right), \ldots, \left(0 + t\right), t + s\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
1ExprTuple10, 3, 28, 5
2ExprTuple10, 4, 5
3ExprRangelambda_map: 6
start_index: 7
end_index: 10
4ExprRangelambda_map: 8
start_index: 9
end_index: 10
5Operationoperator: 20
operands: 11
6Lambdaparameter: 24
body: 12
7Operationoperator: 20
operands: 13
8Lambdaparameter: 24
body: 15
9Operationoperator: 20
operands: 16
10Literal
11ExprTuple28, 17
12Operationoperator: 20
operands: 18
13ExprTuple22, 19
14ExprTuple24
15Operationoperator: 20
operands: 21
16ExprTuple22, 29
17Literal
18ExprTuple24, 23, 28
19Literal
20Literal
21ExprTuple24, 28
22Operationoperator: 26
operand: 28
23Operationoperator: 26
operand: 29
24Variable
25ExprTuple28
26Literal
27ExprTuple29
28Variable
29Literal