error with not enough storage of running m.file

S = xlsread('DATASEQ.xlsx','Train1','A:I');
X = xlsread('DATASEQ.xlsx','Train1','AB:AB');
X_copy = X;
X(X_copy == 2) = 1; X(X_copy == 1) = 2; X(X_copy 开发者_开发知识库== 3) = 1;
Z = [S X];
xlswrite('ALPHA.xls',Z,'ALP_tra1');

S = xlsread('DATASEQ.xlsx','Test','A:I');
X = xlsread('DATASEQ.xlsx','Test','AB:AB');
X_copy = X;
X(X_copy == 2) = 1; X(X_copy == 1) = 2; X(X_copy == 3) = 1;
Z = [S X];
xlswrite('ALPHA.xls',Z,'ALP_tes');

S = xlsread('DATASEQ.xlsx','Train','A:I');
X = xlsread('DATASEQ.xlsx','Train','AB:AB');
Z = [S X];
xlswrite('ALPHA.xls',Z,'ALP_tra');

??? Error: Not enough storage is available to complete this operation.

Above is the code but it show the error message. May anyone can help me solve the problem?

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It probably means you disk is full or that the data is too large to be stored in the remaining space. Although, it could just be MATLAB interpreting an Excel error thrown while saving the file as such.