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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, a, b, c, r
from proveit.numbers import Abs, Exp, Mult, e, frac, i, subtract, two
from proveit.trigonometry import Sin
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Abs(subtract(Mult(r, Exp(e, Mult(i, a)), c), Mult(r, c, Exp(e, Mult(i, b))))), Mult(two, r, c, Sin(frac(Abs(subtract(a, b)), 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|\left(r \cdot \mathsf{e}^{\mathsf{i} \cdot a} \cdot c\right) - \left(r \cdot c \cdot \mathsf{e}^{\mathsf{i} \cdot b}\right)\right|, 2 \cdot r \cdot c \cdot \sin{\frac{\left|a - b\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: 23
operand: 5
2Operationoperator: 39
operands: 4
3ExprTuple5
4ExprTuple20, 26, 27, 6
5Operationoperator: 33
operands: 7
6Operationoperator: 8
operand: 12
7ExprTuple10, 11
8Literal
9ExprTuple12
10Operationoperator: 39
operands: 13
11Operationoperator: 41
operand: 18
12Operationoperator: 15
operands: 16
13ExprTuple26, 17, 27
14ExprTuple18
15Literal
16ExprTuple19, 20
17Operationoperator: 31
operands: 21
18Operationoperator: 39
operands: 22
19Operationoperator: 23
operand: 29
20Literal
21ExprTuple35, 25
22ExprTuple26, 27, 28
23Literal
24ExprTuple29
25Operationoperator: 39
operands: 30
26Variable
27Variable
28Operationoperator: 31
operands: 32
29Operationoperator: 33
operands: 34
30ExprTuple43, 37
31Literal
32ExprTuple35, 36
33Literal
34ExprTuple37, 38
35Literal
36Operationoperator: 39
operands: 40
37Variable
38Operationoperator: 41
operand: 44
39Literal
40ExprTuple43, 44
41Literal
42ExprTuple44
43Literal
44Variable