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Expression of type VertExprArray

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, ExprRange, Variable, VertExprArray, m
from proveit.numbers import Interval, one
from proveit.physics.quantum.circuits import MultiQubitElem, Output
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = VertExprArray([ExprRange(sub_expr1, MultiQubitElem(element = Output(state = A, part = sub_expr1), targets = Interval(one, m)), one, m)])
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())
\begin{array}{c} 
 \begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{A~\mbox{part}~1~\mbox{on}~\{1~\ldotp \ldotp~m\}} 
} \end{array} \\
\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{A~\mbox{part}~2~\mbox{on}~\{1~\ldotp \ldotp~m\}} 
} \end{array} \\
\vdots \\
\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& & \qout{A~\mbox{part}~m~\mbox{on}~\{1~\ldotp \ldotp~m\}} 
} \end{array} \\
\end{array}

In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
justificationjustify to the 'left', 'center', or 'right' in the array cellscentercenterwith_justification
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1ExprTuple2
2ExprRangelambda_map: 3
start_index: 16
end_index: 17
3Lambdaparameter: 15
body: 5
4ExprTuple15
5Operationoperator: 6
operands: 7
6Literal
7NamedExprselement: 8
targets: 9
8Operationoperator: 10
operands: 11
9Operationoperator: 12
operands: 13
10Literal
11NamedExprsstate: 14
part: 15
12Literal
13ExprTuple16, 17
14Variable
15Variable
16Literal
17Variable