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Ingy döt Net 2026-02-01 16:33:20 -08:00
parent 5150844a7d
commit 4bb20c9b71
7735 changed files with 38060 additions and 199180 deletions
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66
Task/Euler-method/C-sharp/euler-method.cs
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@ -2,37 +2,37 @@ using System;
namespace prog
{
class MainClass
{
const float T0 = 100f;
const float TR = 20f;
const float k = 0.07f;
readonly static float[] delta_t = {2.0f,5.0f,10.0f};
const int n = 100;
public delegate float func(float t);
static float NewtonCooling(float t)
{
return -k * (t-TR);
}
public static void Main (string[] args)
{
func f = new func(NewtonCooling);
for(int i=0; i<delta_t.Length; i++)
{
Console.WriteLine("delta_t = " + delta_t[i]);
Euler(f,T0,n,delta_t[i]);
}
}
public static void Euler(func f, float y, int n, float h)
{
for(float x=0; x<=n; x+=h)
{
Console.WriteLine("\t" + x + "\t" + y);
y += h * f(y);
}
}
}
class MainClass
{
const float T0 = 100f;
const float TR = 20f;
const float k = 0.07f;
readonly static float[] delta_t = {2.0f,5.0f,10.0f};
const int n = 100;
public delegate float func(float t);
static float NewtonCooling(float t)
{
return -k * (t-TR);
}
public static void Main (string[] args)
{
func f = new func(NewtonCooling);
for(int i=0; i<delta_t.Length; i++)
{
Console.WriteLine("delta_t = " + delta_t[i]);
Euler(f,T0,n,delta_t[i]);
}
}
public static void Euler(func f, float y, int n, float h)
{
for(float x=0; x<=n; x+=h)
{
Console.WriteLine("\t" + x + "\t" + y);
y += h * f(y);
}
}
}
}