Expression of type ExprTuple

from the theory of proveit.physics.quantum.circuits

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 ExprTuple
from proveit.physics.quantum.circuits import circuit_aU, circuit_b

# build up the expression from sub-expressions
expr = ExprTuple(circuit_aU, circuit_b)

expr:

# 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

# 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{a} & \gate{\begin{array}{c} \uparrow \\U_{1} \\ \downarrow\end{array}} & \gate{\begin{array}{c} \uparrow \\U_{2} \\ \downarrow\end{array}} & \gate{\begin{array}{c} \uparrow \\\cdots \\ \downarrow\end{array}} & \gate{\begin{array}{c} \uparrow \\U_{m} \\ \downarrow\end{array}} & { /^{k} } \qw
} \end{array}, \begin{array}{c} \Qcircuit@C=1em @R=.7em{
\qin{b} & { /^{k} } \qw
} \end{array}\right)

stored_expr.style_options()

name	description	default	current value	related methods
wrap_positions	position(s) at which wrapping is to occur; 'n' is after the nth comma.	()	()	('with_wrapping_at',)
justification	if any wrap positions are set, justify to the 'left', 'center', or 'right'	left	left	('with_justification',)

# display the expression information
stored_expr.expr_info()

	core type	sub-expressions	expression
0	ExprTuple	1, 2
1	Operation	operator: 4 operands: 3
2	Operation	operator: 4 operand: 8
3	ExprTuple	6, 7
4	Literal
5	ExprTuple	8
6	ExprTuple	9
7	ExprRange	lambda_map: 10 start_index: 34 end_index: 11
8	ExprTuple	12
9	ExprRange	lambda_map: 13 start_index: 34 end_index: 35
10	Lambda	parameter: 33 body: 14
11	Variable
12	ExprRange	lambda_map: 15 start_index: 34 end_index: 35
13	Lambda	parameter: 33 body: 16
14	IndexedVar	variable: 17 index: 33
15	Lambda	parameter: 33 body: 19
16	Operation	operator: 21 operands: 20
17	Variable
18	ExprTuple	33
19	Operation	operator: 21 operands: 22
20	NamedExprs	element: 23 targets: 25
21	Literal
22	NamedExprs	element: 24 targets: 25
23	Operation	operator: 27 operands: 26
24	Operation	operator: 27 operands: 28
25	Operation	operator: 29 operands: 30
26	NamedExprs	state: 31 part: 33
27	Literal
28	NamedExprs	state: 32 part: 33
29	Literal
30	ExprTuple	34, 35
31	Variable
32	Variable
33	Variable
34	Literal
35	Variable