Matlab將矩陣存為txt文件

一、矩陣為稀疏矩陣

% % % case1:ss為稀疏矩陣
[i,j,val] = find(ss)
data_sparse = sparse(i,j,val);
data_out = [i,j,val];
save -ascii data.txt data_out

 

二、矩陣為滿存儲的矩陣

% % % case2:aa為滿存儲矩陣
aa = [ 1 2 3;4 5 6;7 8 9];
save -ascii data_aa.txt aa