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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, u, v, w, x, y, z
from proveit.linear_algebra import TensorProd, VecAdd
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(TensorProd(u, v, VecAdd(w, x, y), z), VecAdd(TensorProd(u, v, w, z), TensorProd(u, v, x, z), TensorProd(u, v, y, z)))
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(u {\otimes} v {\otimes} \left(w + x + y\right) {\otimes} z, \left(u {\otimes} v {\otimes} w {\otimes} z\right) + \left(u {\otimes} v {\otimes} x {\otimes} z\right) + \left(u {\otimes} v {\otimes} y {\otimes} z\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: 13
operands: 3
2Operationoperator: 9
operands: 4
3ExprTuple17, 18, 5, 20
4ExprTuple6, 7, 8
5Operationoperator: 9
operands: 10
6Operationoperator: 13
operands: 11
7Operationoperator: 13
operands: 12
8Operationoperator: 13
operands: 14
9Literal
10ExprTuple15, 16, 19
11ExprTuple17, 18, 15, 20
12ExprTuple17, 18, 16, 20
13Literal
14ExprTuple17, 18, 19, 20
15Variable
16Variable
17Variable
18Variable
19Variable
20Variable