送交者: eng 于 2006-5-26, 19:31:25:

回答: 我的窗绳抛物线猜想 由 Nixrreg 于 2006-5-26, 12:28:20:

• 首先需要做的不是证明 - wasguru (98 bytes) 2006-5-26, 20:23:33
  • Measuring with a tape is not doable - Nixrreg (66 bytes) 2006-5-26, 21:58:46
    • 抛物线的开口高度正比于开口宽度的平方。 - wasguru (0 bytes) 2006-5-27, 01:09:22
    • you just need a regular ruler, measure the X's and Y's - whoami (0 bytes) 2006-5-26, 22:26:01
      • How many X's and Y's do you need to measure? - Nixrreg (0 bytes) 2006-5-27, 00:13:14
        • N=2 - whoami (17 bytes) 2006-5-27, 00:38:05
          • Gee, the system ate my "greater than" sign - whoami (0 bytes) 2006-5-27, 00:40:08
            • So you meant N=>2? - Nixrreg (0 bytes) 2006-5-27, 00:43:07
              • That's what I meant - whoami (0 bytes) 2006-5-27, 00:44:39
                • Then how do you verify its not a parabolic curve? - Nixrreg (0 bytes) 2006-5-27, 00:57:57
                  • GURU sai: "抛物线的开口高度正比于开口宽度的平方。" - whoami (0 bytes) 2006-5-27, 12:16:21
• 多了最后一个字 - eng (0 bytes) 2006-5-26, 19:32:17

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