Manipulate[
Plot[Evaluate@
Piecewise[{{0,x < 0}, {x^2/2, 0 <= x < 1}, {-x^2 + 3 x - 3/2,
1 <= x <2}, {1/2 (3 - x)^2 + i, 2 <= x < 3}, {0,
x >=3}}], {x, -1, 4}], {i, 0, 0.05}]
posted on 2010-12-14 00:53 大宝pku 阅读(1094) 评论(0) 编辑 收藏 举报
