Hung Q. Pham

Thanks for your prompt response. I really appreciate this. Btw, I am wonder whether the pydmrg is ready to use or under development?

Did you add **mcu** to the Python path? for example: `export PYTHONPATH=$HOME/mcu:$PYTHONPATH` with **$HOME/mcu** in the parent folder (**$HOME/mcu/mcu** is the source code) Sorry for the late response. Thing was...

Just now I realized that you actually ran the program on Window. I have only tested MCU on Linux. So the latest version in the dev branch. The reason why...

It looks like it is not the way you should call the function. But sure, please email me with your data. And If possible what you would like to do...

This looks correct to me. I did not put a print function to print out **cder** because I assumed you would do computation directly by modifying my python script. If...

never mind, you actually said it in the title. I will send you a modified script with the plotting optical transition probability if you still need it. Please give me...

Can you post a full or a longer error message? I guess it has something to do with an empty array but I do now know exactly which one?

It looks to me that the **spin_text** array wasn't generated for some reason (needed before passed to plot function). Hence, it is empty. Would you mind to share your KPOINTS...

The problem was due to the incorrect number of k-point in KPOINTS file. It should be 128 (64 + 64) instead of 64. Basically, the first 64 kpts are used...

You choose the band and the spherical harmonics orbs via the argument lm, for example, lm='s,p'. Are you interested in plotting the spin texture on a constant-energy plane like the...