[unix-history] / usr / lib / learn / eqn / L7.1c

#once #create message
.ND
.tr %$
.EQ
delim $$
.EN
.LP
It is also quite permissible to leave out
either the "from" part or the "to" part
of a from-to construction.  For example,
modify "Example" so its output looks like this,
then type "ready".
.pl 1
#once #create Ref
.LP
.EQ
lim from {x-> pi /2} ( tan~x) sup {sin~2x}~=~1
.EN
.pl 1
#once #create Example
.LP
.EQ
lim from xxx ( tan~x) sup {sin~2x}~=~1
.EN
.pl 1
#
#once neqn Ref | nroff >X1 &
#once neqn message Ref | nroff -T$term %s/tinyms -
#user
neqn Example | nroff >X2
#cmp X1 X2
#log
#next
7.1d 10
7.2c 5
Commit	Line	Data
fd15fd37 BJ	1	#once #create message
	2	.ND
	3	.tr %$
	4	.EQ
	5	delim $$
	6	.EN
	7	.LP
	8	It is also quite permissible to leave out
	9	either the "from" part or the "to" part
	10	of a from-to construction. For example,
	11	modify "Example" so its output looks like this,
	12	then type "ready".
	13	.pl 1
	14	#once #create Ref
	15	.LP
	16	.EQ
	17	lim from {x-> pi /2} ( tan~x) sup {sin~2x}~=~1
	18	.EN
	19	.pl 1
	20	#once #create Example
	21	.LP
	22	.EQ
	23	lim from xxx ( tan~x) sup {sin~2x}~=~1
	24	.EN
	25	.pl 1
	26	#
	27	#once neqn Ref \| nroff >X1 &
	28	#once neqn message Ref \| nroff -T$term %s/tinyms -
	29	#user
	30	neqn Example \| nroff >X2
	31	#cmp X1 X2
	32	#log
	33	#next
	34	7.1d 10
	35	7.2c 5