Untitled2

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "_sage_input_7.py", line 10, in <module>
    exec compile(u"print _support_.syseval(matlab, u'x=1:1:10\\ny=x.^2\\nplot(x,y)', __SAGE_TMP_DIR__)" + '\n', '', 'single')
  File "", line 1, in <module>
    
  File "/sagenb/sage_install/sage-4.7.2/devel/sagenb-git/sagenb/misc/support.py", line 478, in syseval
    system.chdir(dir)
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/matlab.py", line 297, in chdir
    self.eval("cd('%s')"%directory)
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 1039, in eval
    for L in code.split('\n') if L != ''])
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 671, in _eval_line
    self._start()
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/matlab.py", line 223, in _start
    Expect._start(self)
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 458, in _start
    raise RuntimeError, "Unable to start %s"%self.name()
RuntimeError: Unable to start matlab

Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "_sage_input_8.py", line 10, in <module>
    exec compile(u"print _support_.syseval(matlab, '', __SAGE_TMP_DIR__)" + '\n', '', 'single')
  File "", line 1, in <module>
    
  File "/sagenb/sage_install/sage-4.7.2/devel/sagenb-git/sagenb/misc/support.py", line 478, in syseval
    system.chdir(dir)
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/matlab.py", line 297, in chdir
    self.eval("cd('%s')"%directory)
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 1039, in eval
    for L in code.split('\n') if L != ''])
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 671, in _eval_line
    self._start()
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/matlab.py", line 223, in _start
    Expect._start(self)
  File "/sagenb/sage_install/sage-4.7.2/local/lib/python2.6/site-packages/sage/interfaces/expect.py", line 458, in _start
    raise RuntimeError, "Unable to start %s"%self.name()
RuntimeError: Unable to start matlab