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

#once #create message
.ND
.tr %$
.EQ
delim $$
.EN
.LP
Let's do one more example of from-to for practice
before we go on to the next topic.
Modify "Example" so it produces output that looks
like this, then type "ready".
.pl 1
#once #create Ref
.EQ
delim $$
.EN
.LP
Let $Q( pi )$ be $sum from {i= pi sub 1} to {i= pi sub 2} x sub i$.
.pl 1
#once #create Example
.EQ
delim $$
.EN
.LP
Let $Q( pi )$ be $sum from {i= pi sub 1} to xxxx x sub i$.
.pl 1
#
#once neqn Ref | nroff >X1 &
#once neqn message Ref | nroff -T$term %s/tinyms -
#user
neqn Example | nroff >X2
#cmp X1 X2
#fail
Don't forget to set delimiters before the .LP line,
and get the spaces right around the dollar signs.
#log
#next
8.1a 10
Commit	Line	Data
48baa1c3 C	1	#once #create message
	2	.ND
	3	.tr %$
	4	.EQ
	5	delim $$
	6	.EN
	7	.LP
	8	Let's do one more example of from-to for practice
	9	before we go on to the next topic.
	10	Modify "Example" so it produces output that looks
	11	like this, then type "ready".
	12	.pl 1
	13	#once #create Ref
	14	.EQ
	15	delim $$
	16	.EN
	17	.LP
	18	Let $Q( pi )$ be $sum from {i= pi sub 1} to {i= pi sub 2} x sub i$.
	19	.pl 1
	20	#once #create Example
	21	.EQ
	22	delim $$
	23	.EN
	24	.LP
	25	Let $Q( pi )$ be $sum from {i= pi sub 1} to xxxx x sub i$.
	26	.pl 1
	27	#
	28	#once neqn Ref \| nroff >X1 &
	29	#once neqn message Ref \| nroff -T$term %s/tinyms -
	30	#user
	31	neqn Example \| nroff >X2
	32	#cmp X1 X2
	33	#fail
	34	Don't forget to set delimiters before the .LP line,
	35	and get the spaces right around the dollar signs.
	36	#log
	37	#next
	38	8.1a 10