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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 A, C, ExprRange, ExprTuple, IndexedVar, R, T, Variable, k, l
from proveit.numbers import one
from proveit.physics.quantum.circuits import MultiQubitElem
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
sub_expr2 = [Variable("_b", latex_format = r"{_{-}b}"), sub_expr1]
expr = ExprTuple(ExprRange(sub_expr1, MultiQubitElem(element = IndexedVar(A, sub_expr2), targets = IndexedVar(R, sub_expr2)), one, k), ExprRange(sub_expr1, MultiQubitElem(element = IndexedVar(C, sub_expr2), targets = IndexedVar(T, sub_expr2)), one, l))
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{
& & \gate{A_{{_{-}b}, 1}~\mbox{on}~R_{{_{-}b}, 1}} & \qw 
} \end{array}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{A_{{_{-}b}, 2}~\mbox{on}~R_{{_{-}b}, 2}} & \qw 
} \end{array}, \ldots, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{A_{{_{-}b}, k}~\mbox{on}~R_{{_{-}b}, k}} & \qw 
} \end{array},\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{C_{{_{-}b}, 1}~\mbox{on}~T_{{_{-}b}, 1}} & \qw 
} \end{array}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{C_{{_{-}b}, 2}~\mbox{on}~T_{{_{-}b}, 2}} & \qw 
} \end{array}, \ldots, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \gate{C_{{_{-}b}, l}~\mbox{on}~T_{{_{-}b}, l}} & \qw 
} \end{array}\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
1ExprRangelambda_map: 3
start_index: 6
end_index: 4
2ExprRangelambda_map: 5
start_index: 6
end_index: 7
3Lambdaparameter: 24
body: 8
4Variable
5Lambdaparameter: 24
body: 10
6Literal
7Variable
8Operationoperator: 12
operands: 11
9ExprTuple24
10Operationoperator: 12
operands: 13
11NamedExprselement: 14
targets: 15
12Literal
13NamedExprselement: 16
targets: 17
14IndexedVarvariable: 18
indices: 22
15IndexedVarvariable: 19
indices: 22
16IndexedVarvariable: 20
indices: 22
17IndexedVarvariable: 21
indices: 22
18Variable
19Variable
20Variable
21Variable
22ExprTuple23, 24
23Variable
24Variable