请问各位高手,mathematica多个不同的分段函数如何相加。例如,下面这两个分段函数:f1[x_]:=Piecewise[{{1 - (1 - x)/h, 0 <= x <= 1}, {1 - (x - 1)/h, / Y7 A+ L# b4 S1 P 1 < x <= 2}, {0, + u: q0 W u# r3 I$ c% u8 c- I
x < 0 Or x > 2}}] , f2[x_]:=Piecewise[{{1 - (2 - x)/h, : H: X8 y. U$ G. l' i- B) M N
1 <= x <= 2}, {1 - (x - 2)/h, : X- I: _& d% z) L% f) ?4 f/ `7 e k U
2 < x <= 3}, {0, 6 A- i4 Z ]+ \4 ~9 y/ e x < 1 Or x > 3}}]。谢谢大家了。 ( ?. v- g( l6 Y7 Q$ X6 N. ^9 u % e6 c, F _; i( _* k3 m- F C. ^8 n3 J$ ?, u( ~