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Common problem areas
How do I add limits to my sum/integral?
The “sum” and “int” commands can (optionally) take in the parameters
“from” and “to”. These are used for lower and upper limits
respectively. These parameters can be used singly or together. Limits
for integrals are usually treated as subscripts and superscripts.
Markup Result
sum from k = 1 to n a_k
k= 1
n
a
k
int from 0 to x f(t) dt
or
int_0^x f(t) dt
0
x
f t dt
or
0
x
f t dt
int from Re f
f
sum to infinity 2^{-n}
2
n
Note
For more details on integrals and sums, see Chapter 16 (Math
Objects) in the
Writer Guide
.
Brackets with matrices look ugly!
For background, we start with an overview of the matrix command:
Markup Result
matrix { a # b ## c # d }
a b
c d
Note
Rows are separated by two #’s and entries within each row are
separated by one #.
The first problem people have with matrices is that brackets do not
“scale” with the matrix.
Markup Result
( matrix { a # b ## c # d } )
a b
c d
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