matlab怎么把大量数据绘制成一个二维图答:clear all;a=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25];b=[68,92,88,81,83,84,76,53,53,66,85,78,58,94,94,93,63,91,94,56,61,86,69,92,68];c=[73,69,76,73,79,67,76,96,97,93,95,66,86,84,81,66,74,79,95,67,80...