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Word也能“自动求和”
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作者 杰子 《中国会计电算化》 2003年第5期54-54,共1页
编辑Excel工作表时,相信大家对常用工具栏中的“自动求和”按钮情有独钟。其实,在Word2000/XP的表格中,也可以使用“自动求和”按钮呢!当然,这需要你事先把该按钮请出来,其方法是:
关键词 Word系统 自动求和”功能 操作方法 计算机应用
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杉原条材积电算技术初探
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作者 徐礼来 傅世恩 《中国农学通报》 CSCD 2008年第8期185-187,共3页
根据材积计算的实际需要,介绍了函数使用原则和相关函数的使用方法,并用Excel软件编制杉原条材积电子表,重点举例说明杉原条材积数据自动输入及求和的函数公式编制方法。应用表明:与传统方法相比,提高了材积计算的效率和准确性。
关键词 EXCEL 杉原条 材积 自动输入 自动求和
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Short Term Wind Power Prediction Using Wavelet Transform and ARIMA
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作者 In-Yong Seo Bok-Nam Hat +3 位作者 Sang-Ok Kin Won Nam-Koong Dong-Wan Seo Seong-JunKim 《Journal of Energy and Power Engineering》 2012年第11期1786-1790,共5页
A sustainable production of electricity is essential for low carbon green growth in South Korea. Although wind energy is unlimited in potential, both intermittency and volatility should be tackled for smart grid integ... A sustainable production of electricity is essential for low carbon green growth in South Korea. Although wind energy is unlimited in potential, both intermittency and volatility should be tackled for smart grid integration in future. To cope with this, many works have been done for wind speed and power forecasting. It is shown that statistical techniques are useful for short-term forecasting of wind power. This paper presents a statistical wind speed forecasting. The wavelet decomposition is employed as a de-noising technique. An illustration will be given by real-world dataset. According to the result, the MAD (mean absolute deviation) is improved as much as 10%. 展开更多
关键词 Wind speed forecasting autoreressive model wavelet decomnosition mean absolute deviation.
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