Questions & Answers

You can ask a question by posting a comment. If I have time, I will think about it and give a link to the answer.

 

If you have learned latex, enter the latex formula directly when posting comments. Otherwise, upload the image (scan, photograph, and mathtype edit) and click the last button to post the comments.

 

In addition, if it is a question in the book, please give which book; if it is a postgraduate question, please also indicate which school is the year, please [email protected] to send me questions. in other cases, do not post comments.

 

Comments 1 and 2 have provided examples.

 

You may just post a question in this webpage, and I shall think about it If I have time, And I will link the answer to it.

 

If you know latex, you may just type it in latex form (after doing this, just click );

Otherwise, you may just upload the picture (have you seen the last icon in posting a comment? Just click it and upload your PNG, jpg or GIF files which are generated by mathtype software or others ).

 

I wocould be very appreciated if you point out the references you are doing.

 

Good luck then.