ãã1. æç®ä¾¿çåæ³ï¼å©ç¨ matlabFunctionï¼è¿ä¸ªå½æ°åªéç¨äº2009aåæ´æ°ççæ¬ï¼
ããsyms x
ããy=exp(x)*x^2+x+1
ããg = matlabFunction(y)
ãã2. eval + vectorize å½æ°ï¼vectorize çç®çæ¯å°
å符串ï¼stringï¼
表达å¼éç * / ^ æ¿æ¢ä¸º .* ./ .^ ï¼ä»¥æ¯æåéè¿ç®ãeval æ§è¡è¯¥å符串åå¾å°å½æ°å¥æ
ããsyms x
ããy=exp(x)*x^2+x+1
ããg = eval(['@(x)',vectorize(y)])
ãã3. str2func + vectorize å½æ°ï¼str2func å½æ°å¯ä»¥ç´æ¥å°å符串转å为å½æ°å¥æ
ããsyms x
ããy=exp(x)*x^2+x+1
ããg = str2func(['@(x)',vectorize(y)])
ãã4. str2num + vectorize
ããsyms x
ããy=exp(x)*x^2+x+1
ããg = str2num(['@(x)',vectorize(y)])