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Expression of type ExprTuple

from the theory of proveit.physics.quantum.QFT

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 ExprTuple, k, l, n
from proveit.numbers import Exp, Mult, Neg, e, frac, i, one, pi, two
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(frac(one, Exp(two, frac(n, two))), Exp(e, frac(Neg(Mult(two, pi, i, k, l)), Exp(two, 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(\frac{1}{2^{\frac{n}{2}}}, \mathsf{e}^{\frac{-\left(2 \cdot \pi \cdot \mathsf{i} \cdot k \cdot l\right)}{2^{n}}}\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
1Operationoperator: 14
operands: 3
2Operationoperator: 18
operands: 4
3ExprTuple5, 6
4ExprTuple7, 8
5Literal
6Operationoperator: 18
operands: 9
7Literal
8Operationoperator: 14
operands: 10
9ExprTuple24, 11
10ExprTuple12, 13
11Operationoperator: 14
operands: 15
12Operationoperator: 16
operand: 20
13Operationoperator: 18
operands: 19
14Literal
15ExprTuple21, 24
16Literal
17ExprTuple20
18Literal
19ExprTuple24, 21
20Operationoperator: 22
operands: 23
21Variable
22Literal
23ExprTuple24, 25, 26, 27, 28
24Literal
25Literal
26Literal
27Variable
28Variable