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Expression of type ExprTuple

from the theory of proveit.trigonometry

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, theta
from proveit.numbers import Abs, Exp, Mult, e, frac, i, one, pi, subtract, two, zero
from proveit.trigonometry import Sin
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Abs(subtract(one, Exp(e, Mult(two, pi, i, theta)))), Mult(two, Sin(frac(Abs(subtract(zero, Mult(two, pi, theta))), two))))
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(\left|1 - \mathsf{e}^{2 \cdot \pi \cdot \mathsf{i} \cdot \theta}\right|, 2 \cdot \sin{\frac{\left|0 - \left(2 \cdot \pi \cdot \theta\right)\right|}{2}}\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: 20
operand: 5
2Operationoperator: 34
operands: 4
3ExprTuple5
4ExprTuple36, 6
5Operationoperator: 26
operands: 7
6Operationoperator: 8
operand: 12
7ExprTuple10, 11
8Literal
9ExprTuple12
10Literal
11Operationoperator: 31
operand: 16
12Operationoperator: 14
operands: 15
13ExprTuple16
14Literal
15ExprTuple17, 36
16Operationoperator: 18
operands: 19
17Operationoperator: 20
operand: 24
18Literal
19ExprTuple22, 23
20Literal
21ExprTuple24
22Literal
23Operationoperator: 34
operands: 25
24Operationoperator: 26
operands: 27
25ExprTuple36, 37, 28, 38
26Literal
27ExprTuple29, 30
28Literal
29Literal
30Operationoperator: 31
operand: 33
31Literal
32ExprTuple33
33Operationoperator: 34
operands: 35
34Literal
35ExprTuple36, 37, 38
36Literal
37Literal
38Variable