124 lines
2.3 KiB
Plaintext
124 lines
2.3 KiB
Plaintext
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.\" MACROES FOR EQUATIONS (file tmac.q5)
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.\"
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.\" Th.A. Zoethout
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.\"
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.de EQ \" START EQUATION
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.\" .EQ [$1] [$2] [ $3 $4 ] [ $5 $6 ] [$7]
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. \" $1 = Indented, Centered { C }
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. \" $2 = indent from Left margin (I) { 0 }
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. \" $3 = Left numbered, Right numbered { }
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. \" $4 = equation number { }
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. \" $5 = Right numbered, Left numbered { }
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. \" $6 = equation number { }
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. \" $7 = preceding vertical spacing { \n(VS }
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. \" eqn checks against nested equations.
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.\" WARNING: For "inline" equations the (almost) only reasonable
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.\" delimeter character is "$". All other seemingly useful
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.\" characters could be generated by t(a)b(e)l.
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.ch Id
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.nr EQ 0
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.nr EN 1
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.ie \&\\$1\&I\& .nr EQ 1
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.el .if !\&\\$1\&C\& .nr EN 0
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.nr EN +1
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.nr Ex 0
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.ie (\\$\\n(EN)=(\\$\\n(EN) .nr Ex \\$\\n(ENm
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.el .nr EN -1
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.if \\n(EN=1 .if \\n(Ex>0 .nr EQ 1
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.nr EN +1
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.ds E1 "
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.nr Et 0
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.if \&\\$\\n(EN\&L\& .nr Et 1
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.if \\n(Et=1 .nr EN +1
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.if \\n(Et=1 .ds E1 \\$\\n(EN
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.if \\n(Et=1 .nr EN +1
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.ds E2 "
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.nr Et 0
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.if \&\\$\\n(EN\&R\& .nr Et 1
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.if \\n(Et=1 .nr EN +1
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.if \\n(Et=1 .ds E2 \\$\\n(EN
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.if \\n(Et=1 .nr EN +1
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.nr Et 0
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.if \&\\$\\n(EN\&L\& .nr Et 1
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.if \\n(Et=1 .nr EN +1
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.if \\n(Et=1 .ds E1 \\$\\n(EN
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.if \\n(Et=1 .nr EN +1
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.ie \\n(EN=\\n(.$ .nr EN \\$\\n(.$
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.el .nr EN 0-1
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.ev 1
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.if !\&\\n(.z\&\& .br
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.di Ex
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..
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.de EN \" END EQUATION
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.\" .EN [$1]
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. \" $1 = succeeding vertical spacing { \n(VS }
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.ie !\&\\n(.z\&Ex\& .Er W ".EN: no matching .EQ
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.el \{\
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.br
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.di
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.ev
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.rm Ex
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.ie \\n(dn=0 .if !\&\\*(E1\\*(E2\&\& .Et \\$1
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.el .Et \\$1
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.rm E1
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.rm E2
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.rm 10
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.rm 11
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.rm 12
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.rm 13
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.rm 14
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.rm 15
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.rm 16
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.rm 17
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.rm 18
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.rm 19
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.rm 20
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.rm 21
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.rm 22
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.rm 23
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.rr EN
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.rr E1
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.rr E2
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.rr Et
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.rr Ex
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.rr EQ
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.rr 10
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.rr 11
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.rr 12
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.rr 13
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.rr 14
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.rr 15
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.rr 16
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.rr 17
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.rr 18
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.rr 19
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.rr 20
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.rr 21
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.rr 22
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.rr 23 \}
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..
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.de Et \" final rediversion of equation
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. \" $1 = succeeding vertical spacing { \n(VS }
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.ie \\n(EN>=0 .sp \\n(ENv
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.el .sp \\n(VSu
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.ti \\n(.iu
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.ne \\n(NDv
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.rs
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.nr EN \\n(.u
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.if \\n(EN>0 .nf
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.nr Et \\n(.lu-\\n(.iu
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.if \\n(EQ=0 .nr E1 \\n(Etu-\\w\&\\*(E1\&u-\\w\&\\*(10\&u-\\w\&\\*(E2\&u/2u
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.if \\n(EQ=1 .nr E1 \\n(Exu-\\w\&\\*(E1\&u
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.if \\n(E1<1m .nr E1 1m
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.nr E1 1m/2u+\\w\&\\*(E1\&u+\\n(E1u/1m*1m-\\w\&\\*(E1\&u
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.nr E2 \\n(Etu-\\w\&\\*(E2\&u
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.pc
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\&\\*(E1\h#\\n(E1u#\\*(10\h#|\\n(E2u#\\*(E2
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.pc %
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.if \\n(EN>0 .fi
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.ie \\n(.$>0 .sp \\$1v
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.el .sp \\n(VSu
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..
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.\*($0
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.rm $0
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