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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, i, pi, subtract, two, zero
from proveit.trigonometry import Sin
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Abs(subtract(Exp(e, Mult(i, zero)), Exp(e, Mult(i, Mult(two, pi, theta))))), Mult(two, Sin(Mult(pi, Abs(theta)))))
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|\mathsf{e}^{\mathsf{i} \cdot 0} - \mathsf{e}^{\mathsf{i} \cdot \left(2 \cdot \pi \cdot \theta\right)}\right|, 2 \cdot \sin{\left(\pi \cdot \left|\theta\right|\right)}\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: 24
operand: 5
2Operationoperator: 32
operands: 4
3ExprTuple5
4ExprTuple34, 6
5Operationoperator: 7
operands: 8
6Operationoperator: 9
operand: 13
7Literal
8ExprTuple11, 12
9Literal
10ExprTuple13
11Operationoperator: 22
operands: 14
12Operationoperator: 15
operand: 19
13Operationoperator: 32
operands: 17
14ExprTuple27, 18
15Literal
16ExprTuple19
17ExprTuple35, 20
18Operationoperator: 32
operands: 21
19Operationoperator: 22
operands: 23
20Operationoperator: 24
operand: 36
21ExprTuple30, 26
22Literal
23ExprTuple27, 28
24Literal
25ExprTuple36
26Literal
27Literal
28Operationoperator: 32
operands: 29
29ExprTuple30, 31
30Literal
31Operationoperator: 32
operands: 33
32Literal
33ExprTuple34, 35, 36
34Literal
35Literal
36Variable