谁能告诉我这个matlab程序中大概是做什么的，，急~~~~

程序在这里了，，，，

% Get the input sampledata from the .txt file "sample.txt"
fid=fopen('sample.txt','rt');
originalData=fscanf(fid,'%f', [20,14]);
status=fclose(fid);

% transport sampledata into input training sampledata
inputSampledata=originalData';

% Get the output sampledata from the .txt file "goal.txt"
fid=fopen('goal.txt','rt');
outputData=fscanf(fid,'%f');
status=fclose(fid);
% transport sampledata into input training sampledata
outputSampledata=outputData';

% creating neural network and setting trainging parameters
gwwnet=newff(minmax(inputSampledata),[4,1],{'tansig','purelin'},'traingdm');
gwwnet.trainParam.show = 50;
gwwnet.trainParam.lr = 0.05;
gwwnet.trainParam.epochs = 50000;
gwwnet.trainParam.goal = 1e-3;

%data scaling (converting the network input and outp

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