js中一个二维数组怎么判断某一固定列中是否存在某值,要最优算法?_百度...答:var array = [["122928002", "201048003,50025899"], ["122928002", ",50023172"], ["122928004", ",50023172"]];var newarray = array.filter((e,i,a)=>{ var i1=a.findIndex(e1=>e1[0]==e[0]);if(i1
matlab编程,有一个cell型的二维数组,如何编程实现查找数组内每个不相...答:clc;clear alla={[1,2,3,4,5],[3,2,4,33,5],[3,4,2,5,7],[32,3,5,4,32],[0,4,7,9,10]};%cell二维数组size0=size(a);b=[a{1:size0(1),1:size0(2)}]';n=length(b);%数组长度j=1;%j代表第j个不同的数,序号k=ones(1,n);%k数组表示每一个数对应的个数...