Former \"Full House\" cast member Jodie Sweetin has filed for legal separation from Morty Coyle, her third husband, court documents in Los Angeles show. The 31-year-old actress cited irreconcilable differences as the reason for the split from her husband of little more a year, People.com said Monday. The couple have a 2-year-old daughter named Beatrix. People.com said the actress\' publicist declined to comment.