HP-UX Reference (11i v1 00/12) - 1 User Commands N-Z (vol 2)
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STANDARD Printed by: Nora Chuang [nchuang] STANDARD
/build/1111/BRICK/man1/neqn.1
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n
neqn(1) neqn(1)
Upper and Lower Limits
The keywords from and to specify lower and upper limits:
Source Text Result
lim from {n -> inf } sum from 0 to n x sub i
n→∞
lim
0
Σ
n
x
i
Brackets and Braces
Left and right brackets, braces, and such, of proper height are made with left and right:
Source Text Result
left [ {x sup 2 + y sup 2}
over alpha right ] ˜=˜ 1
α
x
2
+y
2
______
= 1
Legal characters after left and right are braces, brackets, bars, c and f for ceiling and floor, and ""
for nothing at all (useful for a right-side-only bracket). A left char need not have a matching right
char.
Vertical Piles
Vertical piles of elements are made with
pile, lpile, cpile, and rpile:
Source Text Result
pile {a above bb above ccc}
ccc
bb
a
Piles can have arbitrary numbers of elements; lpile left justifies, pile and cpile center (but with
different vertical spacing), and
rpile right justifies.
Matrices and Determinants
Matrices are made with matrix:
Source Text Result
left | { matrix {
lcol { x sub i above y sub 2 }
ccol { 1 above 234 } } } right |
|
|
|
y
2
x
i
234
1
|
|
|
In addition, there is rcol for a right-justified column.
Diacritical Marks
Diacritical marks are made with dot, dotdot, hat, tilde, bar, vec, dyad
, and under:
Source Text Result
x dot = f(t) bar x
.
=f (t)
____
y dotdot bar ˜=˜ n under y
..
_
= n
__
x vec ˜=˜ y dyad x
→
= y
←→
Point Sizes and Fonts
Point sizes and fonts can be changed with size n or size +
|-n, roman, italic, bold, and font n.
Point sizes and fonts can be changed globally in a document by
gsize
n and gfont n, or by the
command-line arguments
-sn and -fn.
Normally, subscripts and superscripts are reduced by 3 points from the previous size; this can be changed
by the command-line argument -pn.
Vertical Alignment
Successive display arguments can be lined up. Place mark before the desired lineup point in the first equa-
tion; place lineup at the place that is to line up vertically in subsequent equations.
Shorthand Forms
Shorthand forms can be defined or existing keywords redefined with define:
Section 1−−558 − 2 − HP-UX Release 11i: December 2000
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