# User Portlet

Lori Johnson
Discussions
Thank you so much, Jayanta. Pål
Differences between "Equal" and "SameQ" There are different ways of comparing two elements or more, the first one is less strict: using Equal (==); the second one, is more strict: using SameQ (===). Let's take a look at the documentation...
Check the [documentation](http://reference.wolfram.com/language/ref/ExampleData.html).
Hi Hamza, I know this study group session is over, but I want to get some extra help for completing my own project. How can I manage the data if I want to estimate time-varying infection rates (reproduction ratios) in various epidemic models for...
Hello [@Hee-Young Shin][at0]. Thank you for your patience. We expect the certificates to be ready to distribute by early next week. [at0]: https://community.wolfram.com/web/heeyoungshin
Hello [@Veronica Frans][at0], it is no problem if you did not attend all sessions but watched the videos instead. If you passed the three quizzes, then you will receive a certificate. These should be sent by the end of the week. [at0]:...
Hello, we are in the process of grading the Level I exercises from this study group and will be getting back to you shortly. Thank you for your patience.
Thanks. We are working on setting it right.
I just want to make the remark that the function in question belongs to the class of ["Weierstrass Function" or "Weierstrass Monster"][1], which is everywhere continuous and nowhere differentiable. From this it seems obvious that there is no closed...
Beautiful work, Shenghui! I made a copy :D