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Expression of type ExprTuple

from the theory of proveit.physics.quantum.algebra

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 Conditional, ExprTuple, Lambda, M, m, n, x
from proveit.linear_algebra import MatrixMult, MatrixSpace
from proveit.logic import CartExp, Equals, InSet
from proveit.numbers import Complex
from proveit.physics.quantum import Qmult
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Lambda(M, Conditional(Equals(Qmult(M), Lambda(x, Conditional(MatrixMult(M, x), InSet(x, CartExp(Complex, n))))), InSet(M, MatrixSpace(field = Complex, rows = m, columns = n)))))
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(M \mapsto \left\{\left[M\right] = \left[x \mapsto \left\{M \thinspace x \textrm{ if } x \in \mathbb{C}^{n}\right..\right] \textrm{ if } M \in \mathbb{C}^{m \times n}\right..\right)
In [5]:
stored_expr.style_options()
no style options
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0ExprTuple1
1Lambdaparameter: 24
body: 2
2Conditionalvalue: 3
condition: 4
3Operationoperator: 5
operands: 6
4Operationoperator: 22
operands: 7
5Literal
6ExprTuple8, 9
7ExprTuple24, 10
8Operationoperator: 11
operand: 24
9Lambdaparameter: 25
body: 14
10Operationoperator: 15
operands: 16
11Literal
12ExprTuple24
13ExprTuple25
14Conditionalvalue: 17
condition: 18
15Literal
16NamedExprsfield: 29
rows: 19
columns: 30
17Operationoperator: 20
operands: 21
18Operationoperator: 22
operands: 23
19Variable
20Literal
21ExprTuple24, 25
22Literal
23ExprTuple25, 26
24Variable
25Variable
26Operationoperator: 27
operands: 28
27Literal
28ExprTuple29, 30
29Literal
30Variable