Te dejo un par de elinks:
ed2k://|file|Matlab%20R13%206.5%20Full%20+%20Serial.zip|5 28990128|6802CA4A34D6ABF4242D60753114D9C9|/ [6.5]
ed2k://|file|Matlab%206.1%20+%20Serial.zip|656870241|416B 7F92D7FBD3843EFB02B167ADFA64|/ [6.1]
Torrents:
http://www.isohunt.com/download/12707319/matlab [6.0]