Mate optimus not working on Macbook pro 9.1

[londere]

Hello there,

After a fresh install of ubuntu 20.04 on the cited machine, mate-optimus is not working, my specs are the following:

alma@MacBookPro:~$ neofetch
.-/+oossssoo+/-. alma@MacBookPro
:+ssssssssssssssssss+: ---------------
-+ssssssssssssssssssyyssss+- OS: Ubuntu 20.04 LTS x86_64
.ossssssssssssssssssdMMMNysssso. Host: MacBookPro9,1 1.0
/ssssssssssshdmmNNmmyNMMMMhssssss/ Kernel: 5.4.0-26-generic
+ssssssssshmydMMMMMMMNddddyssssssss+ Uptime: 2 hours, 29 mins
/sssssssshNMMMyhhyyyyhmNMMMNhssssssss/ Packages: 2311 (dpkg), 10 (snap)
.ssssssssdMMMNhsssssssssshNMMMdssssssss. Shell: bash 5.0.16
+sssshhhyNMMNyssssssssssssyNMMMysssssss+ Resolution: 1440x900, 1920x1080, 1440x900
ossyNMMMNyMMhsssssssssssssshmmmhssssssso DE: MATE
ossyNMMMNyMMhsssssssssssssshmmmhssssssso WM: Metacity (Marco)
+sssshhhyNMMNyssssssssssssyNMMMysssssss+ WM Theme: Ambiant-MATE
.ssssssssdMMMNhsssssssssshNMMMdssssssss. Theme: Ambiant-MATE [GTK2/3]
/sssssssshNMMMyhhyyyyhdNMMMNhssssssss/ Icons: Ambiant-MATE [GTK2/3]
+sssssssssdmydMMMMMMMMddddyssssssss+ Terminal: tilda
/ssssssssssshdmNNNNmyNMMMMhssssss/ CPU: Intel i7-3720QM (8) @ 3.600GHz
.ossssssssssssssssssdMMMNysssso. GPU: Intel 3rd Gen Core processor Graphics Controller
-+sssssssssssssssssyyyssss+- GPU: NVIDIA GeForce GT 650M Mac Edition @ 440.64 Driver (NO CUDA)
:+ssssssssssssssssss+: Memory: 2137MiB / 15951MiB
.-/+oossssoo+/-.

any one could help me to configure optimus?

in advance thanks.