opening error

I installed featool but at first startup I get the following error. I wonder what is the reason.I am using ubuntu 18.04 and matlab 2017a.


Starting the FEATool Multiphysics GUI.
Loading resources can take a minute . . .
.
Error using figure
uIcontrolfontunits is an invalid class name

Error in start_featool_gui

Error in start_featool_gui

Error in FEAToolMultiphysicsApp/startApp (line 88)
                eval('start_featool_gui');

Error in FEAToolMultiphysicsApp (line 48)
            startApp(obj)

Error in appinstall.internal.runapp>execute (line 78)
out = evalin('caller', [script ';']);

Error in appinstall.internal.runapp>runapp13a (line 57)
outobj = execute(fullfile(appinstalldir, [wrapperfile 'App.m']));

Error in appinstall.internal.runapp>runcorrectversion (line 36)
    appobj = runapp13a(appinstalldir);

Error in appinstall.internal.runapp (line 18)
        out = runcorrectversion(appmetadata, appentrypoint, addonmetadatadir);
 
>>

Unfortunately it is not clear what has gone wrong, as this error

MURAT wrote

Error using figure: uIcontrolfontunits is an invalid class name

does not really tell anything about what or where the issue could be. You can possibly try with another Matlab version (or check with the Mathworks about this error). Or you could try and see if starting FEATool manually helps, to do this follow the steps below:

1. Download the archive for the latest release from https://github.com/precise-simulation/featool-multiphysics/releases/latest

2. Unpack/unzip it to a folder on your computer (note this folder as path_to_featool_multiphysics_folder).

3. (Re-)start Matlab.

4. Run the following commands in the Matlab terminal (substitute path_to_featool_multiphysics_folder with the actual path to where you have downloaded and extracted the FEATool distribution).

  >> cd path_to_featool_multiphysics_folder
  >> featool

Moreover, you can test to check if it is a pure GUI issue or overall installation issue my running the test suite without the GUI (only running the m-script file models). To do this launch the FEATool test suite as

  >> featool testm

Copy the new downloaded version under which folder and open the zip file.

Warning: Initializing MATLAB Graphics failed.
This indicates a potentially serious problem in your MATLAB setup, which should
be resolved as soon as possible.  Error detected was:
MATLAB:hg:InvalidProperty
There is no screenpixelsperinch property on the Root class.
> In hgrc (line 163)
  In initprefs (line 11)
  In matlabrc (line 137)

When matlab first opens, I get this error in the command line.

>> cd path_to_featool_multiphysics_folder
Error using cd
Cannot CD to path_to_featool_multiphysics_folder (Name is nonexistent or not
a directory).

MURAT wrote

When matlab first opens, I get this error in the command line.

Warning: Initializing MATLAB Graphics failed. This indicates a potentially serious problem in your MATLAB setup, which should be resolved as soon as possible.  Error detected was: MATLAB:hg:InvalidProperty

This seems to be a Matlab related installation error or issue, in which case you had better contact the Mathworks who develop and license Matlab for support and their advice.

MURAT wrote

>> cd path_to_featool_multiphysics_folder
Error using cd
Cannot CD to path_to_featool_multiphysics_folder (Name is nonexistent or not
a directory).

The path_to_featool_multiphysics_folder refers to the folder which you extracted/unzipped the latest "featool-multiphysics.zip" release file to (you must replace this path with the one on your system).

hi i will upload for octave. I could not fix the problem in matlab. Can you describe in detail how to install featool into Octave.

FEATool-FEniCS, after FEniCS is installed, how to set up featool ???? Can you explain in detail.

Can I install or run the featools 1.12 .zip package in ocrave.???

Please try to use the basic search functionality for fundamental questions:

http://forum.featool.com/template/NamlServlet.jtp?macro=search_page&node=1&query=octave

or look at the system requirements and installation instructions for running the software in the Readme:

https://github.com/precise-simulation/featool-multiphysics/blob/master/README.md#system-requirements

Frequently Asked Questions (FAQ):

https://www.featool.com/faq

or documentation

https://www.featool.com/doc/quickstart.html#prereq

MURAT wrote

Warning: Initializing MATLAB Graphics failed.
This indicates a potentially serious problem in your MATLAB setup, which should
be resolved as soon as possible.  Error detected was:
MATLAB:hg:InvalidProperty
There is no screenpixelsperinch property on the Root class.
> In hgrc (line 163)
  In initprefs (line 11)
  In matlabrc (line 137)

When matlab first opens, I get this error in the command line.

If your issue was resolved, could you please let us know how did you get through the errors?