Root 指令

来自GeoGebra Manual
跳转至: 导航搜索
Accessories dictionary.png
本頁為官方文件,一般使用者無法修改,若有任何誤謬,請與官方聯絡。如欲編輯,請至本頁的開放版


Root[ <Polynomial> ]
UnderConstruction.png
目前本頁中文說明尚未翻譯完成,請先連至英文說明。如果您有權限,請幫忙翻譯本頁的官方手冊
Root[ <Function>, <Initial x-Value> ]
UnderConstruction.png
目前本頁中文說明尚未翻譯完成,請先連至英文說明。如果您有權限,請幫忙翻譯本頁的官方手冊
Root[ <Function>, <Start x-Value>, <End x-Value> ]
UnderConstruction.png
目前本頁中文說明尚未翻譯完成,請先連至英文說明。如果您有權限,請幫忙翻譯本頁的官方手冊
Root[ <Polynomial> ]
Yields all roots of the polynomial as intersection points of the function graph and the x‐axis.
Root[ <Function>, <Number a> ]
Yields one root of the function using the initial value a for Newton's method.
Root[ <Function>, <Number a>, <Number b> ]
Yields one root of the function in the interval [a, b] (regula falsi).

CAS Syntax

Root[ <Polynomial> ]
Yields all roots of the polynomial as intersection points of the function graph and the x‐axis.
範例:
Root[x^3 - 3 * x^2 - 4 * x + 12] yields {x = 3, x = 2, x = -2}.
備註:
This command is only a special variant of Solve Command.
© 2024 International GeoGebra Institute