MATLAB: Do I receive errors on running the ISHOW command at the debug prompt in Simulink 6.0 (R14)

ishowsimulinksldebugstraceundefined

I open the 'vdp' Simulink model in the debug mode by typing the following at the MATLAB command prompt:

sldebug('vdp')

The model opens in the debug mode and I type the following at the debugger prompt:

ishow

I recieve the following error message:

 ??? Error using ==> sldebug
 Undefined function or variable 'ishow'.

I expect the ISHOW command to toggle the display of integration information as mentioned in the documentation page:

web([docroot,'/toolbox/simulink/ug/debug16.html#18162'])

Best Answer

This bug has been fixed in Release 2006a (R2006a). For previous product releases, read below for any possible workarounds:

The ISHOW command has been deprecated as of Simulink 6.0 (R14). The documentation page needs to be updated to reflect this change.

As a workaround, you may use the STRACE command to set solver trace settings.

For more information on this command, type the following at the MATLAB command prompt:

web([docroot,'/toolbox/simulink/slref/strace.html'])

Related Solutions

MATLAB: Do I receive an error when trying to import a MAT file in MATLAB 7.0 (R14)

This bug has been fixed in Release 2006a (R2006a). For previous product releases, read below for any possible workarounds:

This bug has been fixed for Release 14 SP1 (R14SP1). For previous releases, please read below for any possible workarounds:

This has been verified as a bug in MATLAB 7.0 (R14) in the way that it handles the loading of MAT files.

Currently to work around this issue, use the '-v6' option to save the MAT file in a MATLAB 6.5 (R13) compatible version:

v6file='original';
v7file='new';
load(v6file);
save(v7file,'a','b','c','d','-v6'); 
% The following line should be executed from MATLAB 6.5 (R13)
load(v7file)

MATLAB: How to invoke the Simulink debugger from within a MATLAB script and issue subsequent debugger commands in Simulink 7.5 (R2010a)

You can use either of the following two approaches to call SLDEBUG on a model from within a script, and subsequently execute debugger commands.

Approach 1: Create a cell array of commands that you want to execute in debug mode, and then call the SIM command with the cell array as an argument.

cmds = {'slist','step top','step top','stop'};
sim('vdp','debug',cmds);

Approach 2: Create a SIMSET, a cell array consisting debugger commands, and then pass the SIMSET as an argument to the SIM command.

cmds = {'slist','step top','step top','stop'};
opts = simset('debug',cmds);
sim('vdp',[],opts);

Note, however, that the SIMSET feature may be deprecated in a future release of MATLAB.

Best Answer

Related Solutions

MATLAB: Do I receive an error when trying to import a MAT file in MATLAB 7.0 (R14)

MATLAB: How to invoke the Simulink debugger from within a MATLAB script and issue subsequent debugger commands in Simulink 7.5 (R2010a)

Related Question