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表中所有列的絕對最大值。
您好,我正在嘗試獲取列的絕對最大值。我使用Col Max(dt,i)來獲取最大值,但是,我需要列中的絕對最大值。感謝您的任何幫助。
Re:表中所有列的絕對最大值。
col max(abs(as column(dt,i)));
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