MAT之SVM/BP：SVR(better)和BP两种方法比较且实现建筑物钢筋混凝土抗压强度预测

load concrete_data.mat n = randperm(size(attributes,2)); p_train = attributes(:,n(1:80))'; t_train = strength(:,n(1:80))'; p_test = attributes(:,n(81:end))'; t_test = strength(:,n(81:end))'; [p

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