function labels =loadMNISTLabels(filename)%loadMNISTLabels returns a [number of MNIST images]x1 matrix containing%the labelsforthe MNIST images fp= fopen(filename,'rb'); assert(fp~= -1, ['Could not open', filename,'']); magic= fread(fp,1,'int32',0,'ieee-be'); assert(magic==204...
fid = fopen(filename, 'rb'); %打开二进制文件以供读取 if fid == -1 error('无法打开文件'); end %读取二进制数据并转换为32位有符号整型数组 data = fread(fid, 'int32'); % 'int32'表示读取的数据将被解释为32位有符号整型 fclose(fid); %关闭文件 ``` 这个代码将打开一个名为`your_binary...
fp = fopen(filename, 'rb'); assert(fp ~= -1, ['Could not open ', filename, '']); magic = fread(fp, 1, 'int32', 0, 'ieee-be'); assert(magic == 2049, ['Bad magic number in ', filename, '']); numLabels = fread(fp, 1, 'int32', 0, 'ieee-be'); labels = frea...
fp = fopen(filename,'rb');if (fp<0) error(['Cannot open ' filename '.']), end ident = fread(fp,2,'uchar')'; % should be 'BM' for .BMP file type filesize = fread(fp,1,'long'); % length of file dummy = fread(fp,1,'long'); % two ‘short’ reserved word...
function [data,state]=dataRead(fileName,M,N) fid=fopen(fileName,'rb'); if(fid>0) [data,count]=fread(fid,[M,N],'float'); if(count==size(data,1)*size(data,2)) state=1; else state=-1; end end fclose(fid); end 1
% fileName string, an image file name % OUTPUTS: % base64string string, the input image's base64 code % USAGE: % >>base64string = img2base64('1.jpg') % >>base64string = 'xxx' % try fid =fopen(fileName,'rb'); bytes =fread(fid); ...
fp = fopen(filename, 'rb'); assert(fp ~= -1, ['Could not open ', filename, '']); magic = fread(fp, 1, 'int32', 0, 'ieee-be'); assert(magic == 2051, ['Bad magic number in ', filename, '']); numImages = fread(fp, 1, 'int32', 0, 'ieee-be'); ...
要修改二进制文件的内容，可以按照以下步骤进行：1、用fopen函数打开二进制文件，并使用’rb+'模式以可读写方式打开文件。fid=fopen('filename.bin','rb+')；2、用fread函数读取需要修改的数据，例如读取前100个字节的数据。data=fread(fid,100,'*uint8')；3、根据需要修改数据。data(1)=10;data(...
fp = fopen(filename, 'rb'); assert(fp ~= -1, ['Could not open ', filename, '']); magic = fread(fp, 1, 'int32', 0, 'ieee-be'); assert(magic == 2051, ['Bad magic number in ', filename, '']); numImages = fread(fp, 1, 'int32', 0, 'ieee-be'); ...
filename = num2str(num,'%d-1-0.CSV'); filenameA = fullfile(filepath, filename); fid = fopen(filenameA,'rb'); matrix = readmatrix(filenameA); lambda = matrix(241:1:741,1); spectrum = mapminmax(matrix(241:1:741,2), 0, 1); ...