Matlab将字符写入文件

result = sprintf('增益下降:%.3f\n指向偏离:%.3f\n波束未展宽:%.3f\n副瓣抬高:%.3f',LmainEl,DeltaEl,L3dbEl,LsubEl); % 打印结果
fid=fopen('result.txt','wt');
fprintf(fid,'%s',result);
fclose(fid);