logo

Expression of type ExprTuple

from the theory of proveit.physics.quantum.circuits

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, b, k
from proveit.numbers import Interval, one
from proveit.physics.quantum.circuits import Input, MultiQubitElem
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = ExprTuple(ExprRange(sub_expr1, MultiQubitElem(element = Input(state = b, part = sub_expr1), targets = Interval(one, k)), one, k))
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(\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{b~\mbox{part}~1~\mbox{on}~\{1~\ldotp \ldotp~k\}} & \qw 
} \end{array}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{b~\mbox{part}~2~\mbox{on}~\{1~\ldotp \ldotp~k\}} & \qw 
} \end{array}, \ldots, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{b~\mbox{part}~k~\mbox{on}~\{1~\ldotp \ldotp~k\}} & \qw 
} \end{array}\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1ExprRangelambda_map: 2
start_index: 15
end_index: 16
2Lambdaparameter: 14
body: 4
3ExprTuple14
4Operationoperator: 5
operands: 6
5Literal
6NamedExprselement: 7
targets: 8
7Operationoperator: 9
operands: 10
8Operationoperator: 11
operands: 12
9Literal
10NamedExprsstate: 13
part: 14
11Literal
12ExprTuple15, 16
13Variable
14Variable
15Literal
16Variable