function?sol?=?BM_dde23_wtl（ddefunlagshistorytspanoptionsvarargin）?
%DDE23??Solve?delay?differential?equations?（DDEs）?with?constant?delays.
%???SOL?=?DDE23（DDEFUNLAGSHISTORYTSPAN）?integrates?a?system?of?DDEs?
%???y‘（t）?=?f（ty（t）y（t?-?tau_1）...y（t?-?tau_k））.?The?constant?positive?delays??
%???tau_1...tau_k?are?input?as?the?vector?LAGS.?The?function?DDEFUN（TYZ）?must
%???return?a?column?vector?corresponding?to?f（ty（t）y（t?-?tau_1）...y（t?-?tau_k））.?
%???In?the?call?to?DDEFUN?T?is?the?current?t?the?column?vector?Y?approximates?y（t）?
%???and?Z（:j）?approximates?y（t?-?tau_j）?for?delay?tau_j?=?LAGS（J）.?The?DDEs
%???are?integrated?from?T0?to?TF?where?T0?%???The?solution?at?t?<=?T0?is?specified?by?HISTORY?in?one?of?three?ways:?HISTORY??
%???can?be?a?function?of?t?that?returns?the?column?vector?y（t）.?If?y（t）?is?constant?
%???HISTORY?can?be?this?column?vector.?If?this?call?to?DDE23?continues?a?previous?
%???integration?to?T0?HISTORY?is?the?solution?SOL?from?that?call.
%
%???DDE23?produces?a?solution?that?is?continuous?on?[T0TF].?The?solution?is
%???evaluated?at?points?TINT?using?the?output?SOL?of?DDE23?and?the?function
%???DEVAL:?YINT?=?DEVAL（SOLTINT）.?The?output?SOL?is?a?structure?with?
%???????SOL.x??--?mesh?selected?by?DDE23
%???????SOL.y??--?approximation?to?y（t）?at?the?mesh?points?of?SOL.x
%???????SOL.yp?--?approximation?to?y‘（t）?at?the?mesh?points?of?SOL.x
%???????SOL.solver?--?‘dde23‘
%
%???SOL?=?DDE23（DDEFUNLAGSHISTORYTSPANOPTIONS）?solves?as?above?with?default
%???parameters?replaced?by?values?in?OPTIONS?a?structure?created?with?the
%???DDESET?function.?See?DDESET?for?details.?Commonly?used?options?are
%???scalar?relative?error?tolerance?‘RelTol‘?（1e-3?by?default）?and?vector?of
%???absolute?error?tolerances?‘AbsTol‘?（all?components?1e-6?by?default）.
%
%???SOL?=?DDE23（DDEFUNLAGSHISTORYTSPANOPTIONSP1P2...）?passes?the
%???additional?parameters?P1P2...?to?the?DDE?function?as?DDEFUN（TYZP1P2...）?
%???to?the?history?（if?it?is?a?function）?as?HISTORY（TP1P2...）?and?to?
%???all?functions?specified?in?OPTIONS.?Use?OPTIONS?=?[]?as?a?place?holder?
%???if?no?options?are?set.
%
%???DDE23?can?solve?problems?with?discontinuities?in?the?solution?prior?to?T0
%???（the?history）?or?discontinuities?in?coefficients?of?the?equations?at?known
%???values?of?t?after?T0?if?the?locations?of?these?discontinuites?are
%???provided?in?a?vector?as?the?value?of?the?‘Jumps‘?option.
%
%???By?default?the?initial?value?of?the?solution?is?the?value?returned?by
%???HISTORY?at?T0.?A?different?initial?value?can?be?supplied?as?the?value?of
%???the?‘InitialY‘?property.?
%
%???With?the?‘Events‘?property?in?OPTIONS?set?to?a?function?EVENTS?DDE23
%???solves?as?above?while?also?finding?where?event?functions?
%???g（ty（t）y（t?-?tau_1）...y（t?-?tau_k））?are?zero.?For?each?function?
%???you?specify?whether?the?integration?is?to?terminate?at?a?zero?and?whether?
%???the?direction?o

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件??????23754??2016-03-07?20:31??BM_dde23_wtl.m

?????文件???????1642??2016-03-07?20:31??BM_Line.m

?????文件???????2731??2016-03-07?20:31??xuejiede.m

?????文件???????2479??2014-05-08?21:29??商寧程序\E0不穩(wěn)定\shang1_1.m

?????文件?????691240??2014-05-08?21:09??商寧程序\E0不穩(wěn)定\untitled.fig

?????文件???????2559??2014-05-08?21:09??商寧程序\E0全局穩(wěn)定\shang1.m

?????文件??????39781??2014-05-08?21:09??商寧程序\E0全局穩(wěn)定\untitled.fig

?????文件???????2500??2014-05-08?21:09??商寧程序\E2全局穩(wěn)定\shang1_2.m

?????文件?????163726??2014-05-08?21:09??商寧程序\E2全局穩(wěn)定\untitled.fig

?????文件???????3429??2014-05-08?21:09??商寧程序\E2局部穩(wěn)定，E1為鞍點，E0局部穩(wěn)定\shang12.m

?????文件????1132625??2014-05-08?21:09??商寧程序\E2局部穩(wěn)定，E1為鞍點，E0局部穩(wěn)定\untitled.fig

?????文件?????659803??2016-09-05?13:11??商寧程序\hiv2.pdf

?????文件????????740??2014-05-08?21:09??商寧程序\后向分支\shang1_0.m

?????目錄??????????0??2017-03-30?10:59??商寧程序\E0不穩(wěn)定

?????目錄??????????0??2017-03-23?13:44??商寧程序\E0全局穩(wěn)定

?????目錄??????????0??2017-03-23?13:44??商寧程序\E2全局穩(wěn)定

?????目錄??????????0??2017-03-23?13:44??商寧程序\E2局部穩(wěn)定，E1為鞍點，E0局部穩(wěn)定

?????目錄??????????0??2017-03-23?13:44??商寧程序\后向分支

?????目錄??????????0??2017-04-29?13:04??商寧程序

-----------?---------??----------?-----??----

??????????????2727009????????????????????19