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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 Exp, Mult, Neg, e, i
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(Mult(r, Exp(e, Mult(i, Neg(theta)))), Mult(r, Exp(e, Neg(Mult(i, 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(r \cdot \mathsf{e}^{\mathsf{i} \cdot \left(-\theta\right)}, r \cdot \mathsf{e}^{-\left(\mathsf{i} \cdot \theta\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: 20
operands: 3
2Operationoperator: 20
operands: 4
3ExprTuple6, 5
4ExprTuple6, 7
5Operationoperator: 9
operands: 8
6Variable
7Operationoperator: 9
operands: 10
8ExprTuple12, 11
9Literal
10ExprTuple12, 13
11Operationoperator: 20
operands: 14
12Literal
13Operationoperator: 18
operand: 17
14ExprTuple22, 16
15ExprTuple17
16Operationoperator: 18
operand: 23
17Operationoperator: 20
operands: 21
18Literal
19ExprTuple23
20Literal
21ExprTuple22, 23
22Literal
23Variable