Sort 指令
来自GeoGebra Manual
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- Sort( <串列> )
- 對一個數值、文字或點的 <串列> 進行排序。
- 備註: 點串列以 x 坐標作為排序依據。
- 範例:
Sort({3, 2, 1})
產生串列 {1, 2, 3}。Sort({"pears", "apples", "figs"})
以英文字母排序產生一個串列。Sort({(3, 2), (2, 5), (4, 1)})
產生 {(2, 5), (3, 2), (4, 1)}。
- Sort( <值>, <鍵> )
- <值> 串列元素會依據相對應的 <鍵> 串列元素來進行排序。
- 範例:
- In order to sort a list of polynomials
list1 = {x^3, x^2, x^6}
according to degree, create the dependent list of degreeslist2 = Zip(Degree(a), a, list1)
. After that,Sort(list1, list2)
yields the requested list3 = {x^2, x^3, x^6}. - In order to draw the polygon having as vertices the complex roots of x^{10}-1, sorted by their arguments, create
list1 = {ComplexRoot(x^10-1)}
, then use the commandPolygon(Sort(list1, arg(list1)))
. This command yields poly1 = 2.94.
- In order to sort a list of polynomials
備註: There is a workaround to sort lists of arbitrary objects which is explained in the Tutorial:Advanced List Sorting.