2.1,0.4,0.5,1.5,0.6,后面怎么填

2.1,0.4,0.5,1.5,0.6,后面怎么填 0.4x-2.1/0.5-0.5-0.2x/0.03=0.6 (0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6 (0.4x-2.1)/0.5=(0.1+0.2x)/0.03-0.6 matlab方向图怎么画x=[2.4 2.4 2.4 2.4 2.4 5 5 5 5 5 7.2 7.2 7.2 7.2 7.2];y=[0.3 0.9 1.5 2.1 2.7 0.3 0.9 1.5 2.1 2.7 0.3 0.9 1.5 2.1 2.7];plot(x,y,'+')Z=[0.6 0.6 0.9 1.1 1.1 0.4 0.4 0.5 0.6 0.6 0.4 0.2 0.2 0.2 0.2];t=Z;xi=1.6:0.01:8;yi=0:0.01:3.2 一元一次方程计算题:0.4x+2.1/0.5=0.5-0.2x/0.03 +0.6 0.4x+2.1/0.5=0.5-0.2x/0.03+0.6的解方程 方程(初一水平)0.4x+2.1=0.5-0.2x+0.6(要用一元一次方程解) 0.648/[(0.4+0.5)*0.6] 简便 配方优化正交试验结果（L934）序号 枸杞A 糖度B 酸度C 稳定剂D PH值 得分1 0.5 1.5 0.1 0.4 20.22 0.5 1 0.2 0.5 19.83 0.5 0.5 0.3 0.6 19.44 1.0 1.5 0.2 0.6 21.45 1.0 1.0 0.3 0.4 21.16 1.0 0.5 0.1 0.5 19.77 1.5 1.5 0.3 0.5 6.09 22. 6.48/[(0.5+0.4)*0.6] 要简便 matlab总是显示Vectors must be the same lengths,请大师帮忙,我记录了一组数据,想画数据图,但是总是运行不了,程序如下：>> x=0.4:0.5:0.6:0.7:0.8:0.9:1:1.1:1.2:1.3:1.4:1.5:1.6:1.7:1.8:1.9:2:2.1:2.2:2.3:2.4:2.5:2.6:2.7:2.8:2 带有小数的茎叶图0.4,0.5,0.6,0.6,0.6,0.8,0.8,0.9,0.9,0.9,1.2,1.2,1.3,1.4,2.1,2.4,2.5,4.0,4.5,4.6这些个数字怎么做出茎叶图? (0.4x-2.1)/0.5=(0.1+0.2x)/0.03-6 (+0.2)+(-0.2)+(+0.7)+(-0.3)+(-0.4)+(+0.6)+0+(-0.1)+(-0.6)+(+0.5)+(-0.2)+(-0.5)=?(+0.2)+(-0.2)+(+0.7)+(-0.3)+(-0.4)+(+0.6)+0+(-0.1)+(-0.6)+(+0.5)+(-0.2)+(-0.5)=? 1.5x/0.6-1.5-x/2=0.5. 1.5x/0.6-(1.5-x)/2=0.5 1.5x/0.6-1.5x/2=0.5