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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, fi, gamma, i
from proveit.linear_algebra import ScalarMult, VecSum
from proveit.numbers import Interval, Mult, four, two
In [2]:
# build up the expression from sub-expressions
sub_expr1 = [i]
sub_expr2 = Interval(two, four)
expr = ExprTuple(VecSum(index_or_indices = sub_expr1, summand = ScalarMult(ScalarMult(gamma, beta), fi), domain = sub_expr2), ScalarMult(Mult(gamma, beta), VecSum(index_or_indices = sub_expr1, summand = fi, domain = sub_expr2)))
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(\sum_{i=2}^{4} \left(\left(\gamma \cdot \beta\right) \cdot f\left(i\right)\right), \left(\gamma \cdot \beta\right) \cdot \left(\sum_{i=2}^{4} f\left(i\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: 10
operand: 5
2Operationoperator: 19
operands: 4
3ExprTuple5
4ExprTuple6, 7
5Lambdaparameter: 27
body: 8
6Operationoperator: 9
operands: 20
7Operationoperator: 10
operand: 13
8Conditionalvalue: 12
condition: 18
9Literal
10Literal
11ExprTuple13
12Operationoperator: 19
operands: 14
13Lambdaparameter: 27
body: 15
14ExprTuple16, 17
15Conditionalvalue: 17
condition: 18
16Operationoperator: 19
operands: 20
17Operationoperator: 21
operand: 27
18Operationoperator: 23
operands: 24
19Literal
20ExprTuple25, 26
21Variable
22ExprTuple27
23Literal
24ExprTuple27, 28
25Variable
26Variable
27Variable
28Operationoperator: 29
operands: 30
29Literal
30ExprTuple31, 32
31Literal
32Literal