You can use also use eval() to evaluate the function that you get by subs() function f=sin(x); a=eval(subs(f,1)); disp(a); a = 0.8415. ... <看更多>

各位賢拜好想請教symsum 雙變數的寫法有個級數是n!/k ,k從1加到n 假設現在想要加到3 (n = 3) code如下： n=3; syms k E=symsum(sym('n! ... <看更多>