求matlab大神解释一下net = newff(minmax(P_train),[17,3],{'tansig','logsig'},'traingdm');minmax什么意思,另外这些括号里的参数什么意思麻烦解释一下. [17,3]什么意思,还有花括号里的? Ptrain矩阵的size不同会有
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![求matlab大神解释一下net = newff(minmax(P_train),[17,3],{'tansig','logsig'},'traingdm');minmax什么意思,另外这些括号里的参数什么意思麻烦解释一下. [17,3]什么意思,还有花括号里的? Ptrain矩阵的size不同会有](/uploads/image/z/10884003-51-3.jpg?t=%E6%B1%82matlab%E5%A4%A7%E7%A5%9E%E8%A7%A3%E9%87%8A%E4%B8%80%E4%B8%8Bnet+%3D+newff%28minmax%28P_train%29%2C%5B17%2C3%5D%2C%7B%27tansig%27%2C%27logsig%27%7D%2C%27traingdm%27%29%3Bminmax%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%2C%E5%8F%A6%E5%A4%96%E8%BF%99%E4%BA%9B%E6%8B%AC%E5%8F%B7%E9%87%8C%E7%9A%84%E5%8F%82%E6%95%B0%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%E9%BA%BB%E7%83%A6%E8%A7%A3%E9%87%8A%E4%B8%80%E4%B8%8B.+%5B17%2C3%5D%E4%BB%80%E4%B9%88%E6%84%8F%E6%80%9D%2C%E8%BF%98%E6%9C%89%E8%8A%B1%E6%8B%AC%E5%8F%B7%E9%87%8C%E7%9A%84%3F+Ptrain%E7%9F%A9%E9%98%B5%E7%9A%84size%E4%B8%8D%E5%90%8C%E4%BC%9A%E6%9C%89)
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