Matlab将矩阵存为txt文件

一、矩阵为稀疏矩阵

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

 

二、矩阵为满存储的矩阵

% % % case2:aa为满存储矩阵
aa = [ 1 2 3;4 5 6;7 8 9];
save -ascii data_aa.txt aa