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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 B, ExprRange, IndexedVar, Variable, VertExprArray, m
from proveit.numbers import one
from proveit.physics.quantum.circuits import Input
In [2]:
# build up the expression from sub-expressions
sub_expr1 = Variable("_a", latex_format = r"{_{-}a}")
expr = VertExprArray([ExprRange(sub_expr1, Input(state = IndexedVar(B, sub_expr1)), 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{
& \qin{B_{1}} & \qw 
} \end{array} \\
\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{B_{2}} & \qw 
} \end{array} \\
\vdots \\
\begin{array}{c} \Qcircuit@C=1em @R=.7em{
& \qin{B_{m}} & \qw 
} \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: 4
end_index: 5
3Lambdaparameter: 12
body: 6
4Literal
5Variable
6Operationoperator: 7
operands: 8
7Literal
8NamedExprsstate: 9
9IndexedVarvariable: 10
index: 12
10Variable
11ExprTuple12
12Variable