clc;clear;close
B=zeros(100,100)*1/0;
row=10;
num=[];
for i=1:row
    A=[];
    A = 1:2:2*i;
    num=[num length(A)];
    B(i,1:length(A))=A;
end
column=max(num);
C=B(1:row,1:column)
save(\'test_C.txt\',\'C\',\'-ascii\')

a=1:10;
b=1:20;
num=[];
num=[num length(a)];
num=[num length(b)]; %依次类推
m=length(num);
n=max(num);
c=zeros(m,n)*1/0; %用无穷bai大填充NaN
%c=zeros(m,n); %用零填du充
c(1,1:num(1))=a;
c(2,1:num(2))=b;
c

%p(3,~isnan(p(3,:))) %读取质数