(1-t)3w1p1 + 3(1-t)2tw2p2 + 3(1-t)t2w3p3 + t3w4p4
(1-t)3w1 + 3(1-t)2tw2 + 3(1-t)t2w3 + t3w4

If you have found a bug, please report it at the Codeberg project page.

If you have a suggestion or a question, please write Oleksandr Kaleniuk, Ph. D., Senior lecturer at DTE / IATE / ISKPI.