数列を調べるコーディング
\(\displaystyle\ { \left( \frac { n+1 }{ n } \right) }^{ n }\) \(n\)は自然数
の数列をunityで出力しその様子を見てみる
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| using UnityEngine;
using System.Collections;
using System.Linq;
using System.Collections.Generic;
using System.IO;
public class Numbers3 : MonoBehaviour
{
void Start ()
{
IEnumerable<Seq> number = Seq.GeneratorNum (100);
Show (number.Take (5));
string folder = Application.dataPath; IEnumerable<string> strList = number.Select (n => n.ToString ()).ToArray ();
SaveText (folder, @"\test.txt", strList);
}
static void Show<T> (IEnumerable<T> num)
{
foreach (var item in num) {
print (item);
}
}
public void SaveText (string fileFolder, string filename, IEnumerable<string> dataStr)
{
using (StreamWriter w = new StreamWriter(fileFolder+filename)) {
foreach (var item in dataStr) {
w.WriteLine (item);
}
}
}
public class Seq
{
public int denominator;
public int numerator;
public float realNumber;
public override string ToString ()
{
return string.Format ("({0}/{1})^{1} ... {2}", numerator, denominator, realNumber);
}
public static IEnumerable<Seq> GeneratorNum (int count)
{
for (int n = 1; n <= count; n++) {
yield return new Seq{ denominator = n , numerator = n+1 , realNumber = Mathf.Pow(((n+1f)/n),n) };
}
}
}
}
|
<出力>
(2/1)^1 ... 2
(3/2)^2 ... 2.25
(4/3)^3 ... 2.370371
(5/4)^4 ... 2.441406
(6/5)^5 ... 2.488321
このサンプルコードではwindows開発環境でAssetsフォルダ内に test.txt ファイルとしてnが100まで計算した数列の計算結果をセーブしている