Problem in Lava STDP tutorial

[Rashedape]

Hello,
I am currently practicing STDP tutorial https://lava-nc.org/lava/notebooks/in_depth/tutorial08_stdp.html given in the lava site. But i am getting a weight changes graph which is not similar.

How can i get the same weight changes graph? Can anyone give me any suggestion?

[weidel-p]

Hi,

hard to be sure from just seeing a figure, but it looks like that there is a sign error somewhere. Maybe your learning rule is supposed to look like this:

dw = "-2 * x0 * y1 + 2 * y0 * x1"

but looks like this:

dw = "2 * x0 * y1 - 2 * y0 * x1"

[Rashedape]

I did not change the code given on the Lava site. I tried to create a new environment, but nothing happens.

[PhilippPlank]

If you change the sign of A_plus and A_minus in this cell of the notebook, what is the result? Could you also tell us which Lava version and which system/OS you are using?
Thanks!

[Rashedape]

I changed the sign but it did not provide the corrected graph.
Lava version 0.5.0
OS- Ubuntu
Thanks

[PhilippPlank]

Ah, could you please upgrade to Lava 0.7.0? There was a problem in the older version, using the newer release or the latest version from GitHub should fix this issue.
Thanks!

[Rashedape]

The problem is solved. Thank You.