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首页> 外文期刊>Journal of computers in mathematics and science teaching >Using Spreadsheets to Discover Meaning for Parameters in Nonlinear Models
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Using Spreadsheets to Discover Meaning for Parameters in Nonlinear Models

机译:使用电子表格发现非线性模型中参数的含义

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摘要

Using spreadsheets, one can develop an exploratory environment where mathematics students can develop their own understanding of the relationship between the parameters of commonly encountered families of functions (linear, logarithmic, exponential, and power) and a natural interpretation of "rate of change" for those functions. The key to this understanding involves expanding the concept of rate of change to include percent changes. Through the use of the spreadsheet model, students can explore and easily determine which type of change is most natural for a given family of functions. This, in turn, provides a mechanism for interpreting the parameters of the function numerically, rather than graphically, as is more common.
机译:使用电子表格,人们可以开发一种探索性的环境,在该环境中,数学专业的学生可以发展自己对常用函数族(线性,对数,指数和幂)的参数与自然的“变化率”解释之间的关系的理解。这些功能。理解的关键在于将变化率的概念扩展到包含百分比变化。通过使用电子表格模型,学生可以探索并轻松确定对于给定的功能系列最自然的变化类型。反过来,这提供了一种机制,用于更普遍地以数字方式而非图形方式解释函数的参数。

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