{VERSION 5 0 "IBM INTEL NT" "5.0" } {USTYLETAB {CSTYLE "Maple Input" -1 0 "Courier" 1 12 255 0 0 1 2 1 2 2 1 2 0 0 0 1 }{CSTYLE "Text" -1 200 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{PSTYLE "Normal" -1 0 1 {CSTYLE "" -1 -1 "Times" 1 12 0 0 0 1 2 2 2 2 2 2 1 1 1 1 }1 1 0 0 0 0 2 0 2 0 2 2 0 1 }} {SECT 0 {EXCHG {PARA 0 "" 0 "" {TEXT 200 3 "01." }}}{EXCHG {PARA 0 "> \+ " 0 "" {MPLTEXT 1 0 11 "with(gfun):" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 200 3 "02." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 37 "DE1:=algeqtod iffeq(x^2+y^2-r^2,y(x));" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 200 3 "03." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 41 "DE2:=algeqtodiffeq((y-r)^ 2+x^2-r^2,y(x));" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 28 "diffeqt ohomdiffeq(DE2,y(x));" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 200 3 "04." }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 45 "DE3:=algeqtodiffeq((y^2-x^2) ^4-x^2*y^2,y(x));" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 200 3 "05." }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 33 "diffeqtorec(op(1,DE1),y(x),a (k));" }}}{EXCHG {PARA 0 "" 0 "" {TEXT 200 3 "06." }}}{EXCHG {PARA 0 " > " 0 "" {MPLTEXT 1 0 33 "diffeqtorec(op(1,DE2),y(x),a(k));" }}} {EXCHG {PARA 0 "" 0 "" {TEXT 200 3 "07." }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 33 "diffeqtorec(op(2,DE3),y(x),a(k));" }}}}{MARK "1 0 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 }