sundialsTB, a Matlab Interface to SUNDIALS - Site Index Page ...
sundialsTB, a Matlab Interface to SUNDIALS - Site Index Page ...
sundialsTB, a Matlab Interface to SUNDIALS - Site Index Page ...
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If quadratures were computed (see CVodeSetOptions), CVode will return their<br />
values at T in the vec<strong>to</strong>r YQ.<br />
If sensitivity calculations were enabled (see CVodeSetOptions), CVode will<br />
return their values at T in the matrix YS.<br />
On return, STATUS is one of the following:<br />
0: CVode succeeded and no roots were found.<br />
1: CVode succeded and returned at ts<strong>to</strong>p.<br />
2: CVode succeeded, and found one or more roots.<br />
-1: Illegal attempt <strong>to</strong> call before CVodeMalloc<br />
-2: One of the inputs <strong>to</strong> CVode is illegal. This includes the situation<br />
when a component of the error weight vec<strong>to</strong>rs becomes < 0 during internal<br />
time-stepping.<br />
-4: The solver <strong>to</strong>ok mxstep internal steps but could not reach TOUT. The<br />
default value for mxstep is 500.<br />
-5: The solver could not satisfy the accuracy demanded by the user for some<br />
internal step.<br />
-6: Error test failures occurred <strong>to</strong>o many times (MXNEF = 7) during one internal<br />
time step<br />
or occurred with |h| = hmin.<br />
-7: Convergence test failures occurred <strong>to</strong>o many times (MXNCF = 10) during one<br />
internal time step or occurred with |h| = hmin.<br />
-9: The linear solver’s setup routine failed in an unrecoverable manner.<br />
-10: The linear solver’s solve routine failed in an unrecoverable manner.<br />
See also CVodeSetOptions, CVodeGetstats<br />
Purpose<br />
CVodeB integrates the backward ODE.<br />
Synopsis<br />
CVodeB<br />
function [status,t,yB,varargout] = CVodeB(<strong>to</strong>ut,itask)<br />
Description<br />
CVodeB integrates the backward ODE.<br />
Usage: [STATUS, T, YB] = CVodeB ( TOUT, ITASK )<br />
[STATUS, T, YB, YQB] = CVodeB ( TOUT, ITASK )<br />
If ITASK is ’Normal’, then the solver integrates from its current internal<br />
T value <strong>to</strong> a point at or beyond TOUT, then interpolates <strong>to</strong> T = TOUT and returns<br />
YB(TOUT). If ITASK is ’OneStep’, then the solver takes one internal time step<br />
and returns in YB the solution at the new internal time. In this case, TOUT<br />
is used only during the first call <strong>to</strong> CVodeB <strong>to</strong> determine the direction of<br />
integration and the rough scale of the problem. In either case, the time<br />
reached by the solver is returned in T.<br />
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