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Expression of type ExprTuple

from the theory of proveit.linear_algebra.tensors

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, beta, x, y
from proveit.linear_algebra import ScalarMult, TensorProd
from proveit.numbers import Add, Exp, Mult, four, one, subtract, three, two
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(ScalarMult(Add(subtract(four, two), one), TensorProd(ScalarMult(beta, x), ScalarMult(beta, y))), ScalarMult(Mult(three, Exp(beta, two)), TensorProd(x, y)))
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(4 - 2\right) + 1\right) \cdot \left(\left(\beta \cdot x\right) {\otimes} \left(\beta \cdot y\right)\right), \left(3 \cdot \beta^{2}\right) \cdot \left(x {\otimes} y\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
operands: 3
2Operationoperator: 24
operands: 4
3ExprTuple5, 6
4ExprTuple7, 8
5Operationoperator: 21
operands: 9
6Operationoperator: 13
operands: 10
7Operationoperator: 11
operands: 12
8Operationoperator: 13
operands: 14
9ExprTuple15, 16
10ExprTuple17, 18
11Literal
12ExprTuple19, 20
13Literal
14ExprTuple30, 31
15Operationoperator: 21
operands: 22
16Literal
17Operationoperator: 24
operands: 23
18Operationoperator: 24
operands: 25
19Literal
20Operationoperator: 26
operands: 27
21Literal
22ExprTuple28, 29
23ExprTuple32, 30
24Literal
25ExprTuple32, 31
26Literal
27ExprTuple32, 35
28Literal
29Operationoperator: 33
operand: 35
30Variable
31Variable
32Variable
33Literal
34ExprTuple35
35Literal