Hi,

Ever since I have installed MATLAB R2009aSV on my Mac (Leopard Version 8) a year ago, I never had any issues with this release. However, yesterday suddenly, MATLAB starts up with the default path with the root as the working directory.

I have tried several times to re-add all the toolboxes, I am using, including the default working directory (i.e., ~/home directory/Matlab/), but in vain. I have even tried to use the rehash-command, but no result. MATLAB still starts up with the default path and root as working directory.

Does anybody have a clue what is going wrong here?

Many thanks in advance for your kind help.

Dear Falofolio!

> Ever since I have installed MATLAB R2009aSV on my Mac (Leopard Version 8) a year ago, I never had any issues with this release. However, yesterday suddenly, MATLAB starts up with the default path with the root as the working directory.
> 
> I have tried several times to re-add all the toolboxes, I am using, including the default working directory (i.e., ~/home directory/Matlab/), but in vain. I have even tried to use the rehash-command, but no result. MATLAB still starts up with the default path and root as working directory.

You could try:
  restoredefaultpath
Any problems in the function startup.m ?
What happend, if you tried to re-add the toolboxes? Are the folders in the path, but vanish after the next restart of Matlab? Or is it impossible to include them in the path?

Good luck, Jan

"Falofolio " <falofolio@telfort.nl> wrote in message <hhuudv$geh$1@fred.mathworks.com>...
> Hi,
> 
> Ever since I have installed MATLAB R2009aSV on my Mac (Leopard Version 8) a year ago, I never had any issues with this release. However, yesterday suddenly, MATLAB starts up with the default path with the root as the working directory.
> 
> I have tried several times to re-add all the toolboxes, I am using, including the default working directory (i.e., ~/home directory/Matlab/), but in vain. I have even tried to use the rehash-command, but no result. MATLAB still starts up with the default path and root as working directory.
> 
> Does anybody have a clue what is going wrong here?
> 
> Many thanks in advance for your kind help.

My guess is you have a problem with write permissions
in the directory it stores the path in.

A simple solution is to just add the relevant directories
to your path in startup.m. This was they will get added
every time you start matlab.

John

"Jan Simon" <matlab.THIS_YEAR@nMINUSsimon.de> wrote in message 
> You could try:
>   restoredefaultpath

Does not help.


> Any problems in the function startup.m ?

MATLAB tells me that it does not exist.


> What happend, if you tried to re-add the toolboxes? Are the folders in the path, but vanish after the next restart of Matlab?

That is exactly what happens, yes!


> Or is it impossible to include them in the path?

No, it is possible to include them.

"John D'Errico" <woodchips@rochester.rr.com> wrote in message 

Thanks for replying.

> My guess is you have a problem with write permissions
> in the directory it stores the path in.

I repaired permissions with Disk Utility which indeed solved the problem of not being able to include toolboxes to my path. So, that works again. 

> A simple solution is to just add the relevant directories
> to your path in startup.m. This was they will get added
> every time you start matlab.

It appears that I do not have a startup.m. I never needed to create/change one. Should there be a startup.m by default on my system?

Hi,

I was able to solve the issue with a workaround: I had to create a startup script in the package folder of Matlab, which is highly unusual on the Mac-platform as far as I know of.

However, before I did this, I have performed the following actions to try solving the issue, including the ones already mentioned in previous posts/replies:

1.) removing Matlab from the application folder and anything I could find in the library folders and re-install Matlab;
2.) repaired permissions with Disk Utility and for my home folder with Reset Password from the Leopard install DVD.

Both actions did not help. So, in the end, I took the advice proposed here by creating a startup script and put it in '/Applications/MatlabR2009aSV/toolbox/local'. As I wrote above, this is probably a highly unusual solution on the Mac platform.

Anyways, I can work again without having to re-add all my toolboxes I am using for my research.

Bye.