| [ KAIST ] in KIDS 글 쓴 이(By): mkjung (iSTHMUS) 날 짜 (Date): 2000년 11월 9일 목요일 오후 04시 28분 53초 제 목(Title): Re: [질문] 에구구... 제가 보기에는 해가 없을 것 같습니다. {sin(ax)}^2*sin(bx)={sin(cx)}^3, 2a=b라면 양변을 전개, 정리하면 다음의 식을 얻을 수 이습니다. =============== however, there is an alternate method even if there is no exact solution. ^^ try to formulate the whole problem in terms of matrix equation by expanding the equation in terms of taylor seriese. probably 1st and 2nd order term will be sufficient. once you set up the matrix eqatuion of the form AX=Y, X= psudo-inverse(A)*Y , where psudo-inverse can be computed in maple. even if you don't have the exact soltuion, the next best thing (approximate solution) can be obtained. oh this method is called 'the least square estimation'. |