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From: mwang@watmath.UUCP (mwang)
Newsgroups: ont.events
Subject: UW NA Seminar, Prof. Norsett on "Semi Implicit Runge Kutta Methods, Nonlinear Stability and Implementation. Part 1"
Message-ID: <6715@watmath.UUCP>
Date: Tue, 24-Jan-84 16:00:46 EST
Article-I.D.: watmath.6715
Posted: Tue Jan 24 16:00:46 1984
Date-Received: Tue, 24-Jan-84 23:53:27 EST
Expires: Fri, 27-Jan-84 00:00:00 EST
Organization: U of Waterloo, Ontario
Lines: 33


_D_E_P_A_R_T_M_E_N_T _O_F _C_O_M_P_U_T_E_R _S_C_I_E_N_C_E
_U_N_I_V_E_R_S_I_T_Y _O_F _W_A_T_E_R_L_O_O
_S_E_M_I_N_A_R _A_C_T_I_V_I_T_I_E_S

_N_U_M_E_R_I_C_A_L _A_N_A_L_Y_S_I_S _S_E_M_I_N_A_R
                           - Thursday, January 26, 1984.

Prof. S.P. N"orsett of this  department  will  speak  on
``Semi Implicit Runge Kutta Methods, Nonlinear Stabili-
ty and Implementation. Part 1.''

TIME:                3:30 PM

ROOM:              MC 5097

ABSTRACT

The design  of  nonlinearly  stable  SDIRK-methods  for
stiff  systems of ODE's with imbedded local error esti-
mators is discussed.  The stability properties and  ef-
ficiency  considerations are important design features.
Special interpolation formulae for output purposes  and
for use as predictors for the modified Newton processes
are presented.

This lecture is followed by a Part 2 where  the  imple-
mentation  of the methods will be discussed.  This will
take place on February 2 as the  second  talk  in  this
series.

                   January 24, 1984