Re: Mat file saving opion.

swagata Mukherjee <[email protected]> Wed, 5 Jan 2022 06:33:16 +0530
Newsgroups gmane.comp.gnu.octave.general
Message-ID <CAM7LAkQfcyh2AG565TjhEZqM7zTbapyanjq36RZ0c3m7zZbO0A@mail.gmail.com>
Hi,
Sorry did not attach the file.

getting following error

ValueError                                Traceback (most recent call
last)<ipython-input-7-3862af9149b9> in <module>      1 import scipy.io
as sio----> 2 traces = sio.loadmat('TRACES1.mat')
D:\Anaconda\lib\site-packages\scipy\io\matlab\mio.py in
loadmat(file_name, mdict, appendmat, **kwargs)    224     with
_open_file_context(file_name, appendmat) as f:    225         MR, _ =
mat_reader_factory(f, **kwargs)--> 226         matfile_dict =
MR.get_variables(variable_names)    227     228     if mdict is not
None:
D:\Anaconda\lib\site-packages\scipy\io\matlab\mio4.py in
get_variables(self, variable_names)    389         mdict = {}    390
      while not self.end_of_stream():--> 391             hdr,
next_position = self.read_var_header()    392             name =
asstr(hdr.name)    393             if variable_names is not None and
name not in variable_names:
D:\Anaconda\lib\site-packages\scipy\io\matlab\mio4.py in
read_var_header(self)    345            position in stream of next
variable    346         '''--> 347         hdr =
self._matrix_reader.read_header()    348         n = reduce(lambda x,
y: x*y, hdr.dims, 1)  # fast product    349         remaining_bytes =
hdr.dtype.itemsize * n
D:\Anaconda\lib\site-packages\scipy\io\matlab\mio4.py in
read_header(self)    115         O, rest = divmod(rest, 100)  #
unused, should be 0    116         if O != 0:--> 117             raise
ValueError('O in MOPT integer should be 0, wrong format?')    118
   P, rest = divmod(rest, 10)  # data type code e.g miDOUBLE (see
above)    119         T = rest  # matrix type code e.g., mxFULL_CLASS
(see above)
ValueError: O in MOPT integer should be 0, wrong format?


Regards


On Tue, Jan 4, 2022 at 10:58 PM Francesco Potortì <[email protected]>
wrote:

> >Wish you all a very happy new year.
>
> Same to you and everyone else!
>
> >I have one .mat file which is in V4.
> >
> >I can load this file in Octave using
> >load TRACES1.mat
> >
> >I want to save this file V7 format.
>
> Try "help save" at the Octave prompt
>
> --
> Francesco Potortì (ricercatore)        Voice:  +39.050.621.3058
> ISTI - Area della ricerca CNR          Mobile: +39.348.8283.107
> via G. Moruzzi 1, I-56124 Pisa         Skype:  wnlabisti
> (gate 20, 1st floor, room C71)         Web:    http://fly.isti.cnr.it
>


----------
We are transitioning to a web based forum
for community help discussions at
https://octave.discourse.group/c/help
TRACES1.mat (application/octet-stream, 234.5 KB) - not displayed