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Expression of type ExprTuple

from the theory of proveit.numbers.absolute_value

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, r, theta
from proveit.numbers import Abs, Exp, Mult, Neg, e, i
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Abs(Mult(Neg(r), Exp(e, Mult(Neg(theta), i)))), Abs(Neg(Mult(r, Exp(e, Neg(Mult(theta, i)))))))
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\right) \cdot \mathsf{e}^{\left(-\theta\right) \cdot \mathsf{i}}\right|, \left|-\left(r \cdot \mathsf{e}^{-\left(\theta \cdot \mathsf{i}\right)}\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: 4
operand: 6
2Operationoperator: 4
operand: 7
3ExprTuple6
4Literal
5ExprTuple7
6Operationoperator: 29
operands: 8
7Operationoperator: 26
operand: 12
8ExprTuple10, 11
9ExprTuple12
10Operationoperator: 26
operand: 17
11Operationoperator: 20
operands: 14
12Operationoperator: 29
operands: 15
13ExprTuple17
14ExprTuple23, 16
15ExprTuple17, 18
16Operationoperator: 29
operands: 19
17Variable
18Operationoperator: 20
operands: 21
19ExprTuple22, 32
20Literal
21ExprTuple23, 24
22Operationoperator: 26
operand: 31
23Literal
24Operationoperator: 26
operand: 28
25ExprTuple31
26Literal
27ExprTuple28
28Operationoperator: 29
operands: 30
29Literal
30ExprTuple31, 32
31Variable
32Literal