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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
from proveit.core_expr_types import a_1_to_i, c_1_to_k, d_1_to_i, e_1_to_k
from proveit.linear_algebra import TensorProd
In [2]:
# build up the expression from sub-expressions
expr = ExprTuple(TensorProd(a_1_to_i, c_1_to_k), TensorProd(d_1_to_i, e_1_to_k))
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(a_{1} {\otimes}  a_{2} {\otimes}  \ldots {\otimes}  a_{i}{\otimes} c_{1} {\otimes}  c_{2} {\otimes}  \ldots {\otimes}  c_{k}, d_{1} {\otimes}  d_{2} {\otimes}  \ldots {\otimes}  d_{i}{\otimes} e_{1} {\otimes}  e_{2} {\otimes}  \ldots {\otimes}  e_{k}\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
operands: 3
2Operationoperator: 4
operands: 5
3ExprTuple6, 7
4Literal
5ExprTuple8, 9
6ExprRangelambda_map: 10
start_index: 15
end_index: 13
7ExprRangelambda_map: 11
start_index: 15
end_index: 16
8ExprRangelambda_map: 12
start_index: 15
end_index: 13
9ExprRangelambda_map: 14
start_index: 15
end_index: 16
10Lambdaparameter: 26
body: 17
11Lambdaparameter: 26
body: 18
12Lambdaparameter: 26
body: 19
13Variable
14Lambdaparameter: 26
body: 20
15Literal
16Variable
17IndexedVarvariable: 21
index: 26
18IndexedVarvariable: 22
index: 26
19IndexedVarvariable: 23
index: 26
20IndexedVarvariable: 24
index: 26
21Variable
22Variable
23Variable
24Variable
25ExprTuple26
26Variable