C#中这种计算能用循环语句编写吗?a1=x2*y3-x3*y2a2=x3*y1-x1*y3a3=x1*y2-x2*y1(就是a的下标每换一下,等式右边字母的下标全部向前紧一格,3会进到1)
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![C#中这种计算能用循环语句编写吗?a1=x2*y3-x3*y2a2=x3*y1-x1*y3a3=x1*y2-x2*y1(就是a的下标每换一下,等式右边字母的下标全部向前紧一格,3会进到1)](/uploads/image/z/10281163-67-3.jpg?t=C%23%E4%B8%AD%E8%BF%99%E7%A7%8D%E8%AE%A1%E7%AE%97%E8%83%BD%E7%94%A8%E5%BE%AA%E7%8E%AF%E8%AF%AD%E5%8F%A5%E7%BC%96%E5%86%99%E5%90%97%3Fa1%3Dx2%2Ay3-x3%2Ay2a2%3Dx3%2Ay1-x1%2Ay3a3%3Dx1%2Ay2-x2%2Ay1%EF%BC%88%E5%B0%B1%E6%98%AFa%E7%9A%84%E4%B8%8B%E6%A0%87%E6%AF%8F%E6%8D%A2%E4%B8%80%E4%B8%8B%2C%E7%AD%89%E5%BC%8F%E5%8F%B3%E8%BE%B9%E5%AD%97%E6%AF%8D%E7%9A%84%E4%B8%8B%E6%A0%87%E5%85%A8%E9%83%A8%E5%90%91%E5%89%8D%E7%B4%A7%E4%B8%80%E6%A0%BC%2C3%E4%BC%9A%E8%BF%9B%E5%88%B01%EF%BC%89)
C#中这种计算能用循环语句编写吗?a1=x2*y3-x3*y2a2=x3*y1-x1*y3a3=x1*y2-x2*y1(就是a的下标每换一下,等式右边字母的下标全部向前紧一格,3会进到1)
C#中这种计算能用循环语句编写吗?
a1=x2*y3-x3*y2
a2=x3*y1-x1*y3
a3=x1*y2-x2*y1
(就是a的下标每换一下,等式右边字母的下标全部向前紧一格,3会进到1)
C#中这种计算能用循环语句编写吗?a1=x2*y3-x3*y2a2=x3*y1-x1*y3a3=x1*y2-x2*y1(就是a的下标每换一下,等式右边字母的下标全部向前紧一格,3会进到1)
static int pos(int i)
{
return i % 3 == 0 ? 3 : i % 3;
}
static int[] a = null, x = null, y = null, z = null;
static void Main(string[] args)
{
a = new int[4];
x = new int[] { 0, 1, 2, 3 };
y = new int[] { 0, 4, 5, 6 };
for (int i = 1; i <= 3; i++)
{
int m = pos(i + 1), n = pos(i + 2);
a[i] = x[m] * y[n] - x[n] * y[m];
Console.WriteLine("a{0}=x{1}*y{2}-x{2}*y{1}\t={3}*{4}-{5}*{6}\t={7}", i, m, n, x[m], y[n], x[n], y[m], a[i]);
}
Console.ReadKey();
}