推荐回答(3个)
一阶导数图其实就是拟合曲线,操作方法如下:
Excel提供了“添加趋势线”功能用以拟合曲线,但是曲线类型仅限于指数、对数、幂函数、多项式等。下面以Excel 2010为例进行实例演示——拟合如下的示例数据:
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1、首先作出x,y数据的散点图
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2、选中数据点→右击鼠标,在弹出菜单选择“添加趋势线”
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3、在新的弹出对话框中,根据数据点的分布趋势,尝试将曲线类型设为多项式,阶次为2,勾选显示公式的复选框。另外也可以设置趋势线的颜色、线型等
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4、最终效果如下
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线可用Excel里的画图功能如果没找到在工具栏右键,找到画图或叫图形我记不清了挑上就行了里的第一个线段来完成,柱形也是用那里的画图找椭圆形放到格里竖线可用Excel 的格或自己画就行了 。
1.首先作出x,y数据的散点图,
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2.选中数据点→右击鼠标,在弹出菜单选择“添加趋势线”
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3.勾选显示公式的复选框。另外也可以设置趋势线的颜色、线型等,
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4.最终效果如下:
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