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Expression of type VecAdd

from the theory of proveit.linear_algebra.addition

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.core_expr_types import a_1_to_i, b_1_to_j, c_1_to_k
from proveit.linear_algebra import VecAdd
In [2]:
# build up the expression from sub-expressions
expr = VecAdd(a_1_to_i, VecAdd(b_1_to_j), c_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())
a_{1} +  a_{2} +  \ldots +  a_{i} + \left(b_{1} +  b_{2} +  \ldots +  b_{j}\right)+ c_{1} +  c_{2} +  \ldots +  c_{k}
In [5]:
stored_expr.style_options()
namedescriptiondefaultcurrent valuerelated methods
operation'infix' or 'function' style formattinginfixinfix
wrap_positionsposition(s) at which wrapping is to occur; '2 n - 1' is after the nth operand, '2 n' is after the nth operation.()()('with_wrapping_at', 'with_wrap_before_operator', 'with_wrap_after_operator', 'without_wrapping', 'wrap_positions')
justificationif any wrap positions are set, justify to the 'left', 'center', or 'right'centercenter('with_justification',)
In [6]:
# display the expression information
stored_expr.expr_info()
 core typesub-expressionsexpression
0Operationoperator: 7
operands: 1
1ExprTuple2, 3, 4
2ExprRangelambda_map: 5
start_index: 16
end_index: 6
3Operationoperator: 7
operands: 8
4ExprRangelambda_map: 9
start_index: 16
end_index: 10
5Lambdaparameter: 22
body: 11
6Variable
7Literal
8ExprTuple12
9Lambdaparameter: 22
body: 13
10Variable
11IndexedVarvariable: 14
index: 22
12ExprRangelambda_map: 15
start_index: 16
end_index: 17
13IndexedVarvariable: 18
index: 22
14Variable
15Lambdaparameter: 22
body: 19
16Literal
17Variable
18Variable
19IndexedVarvariable: 20
index: 22
20Variable
21ExprTuple22
22Variable