第346章 伏羲观天(1 / 2)

果然,我的话刚刚说完,大教室里又是发出了一大阵笑声。

而杨慈青却有些惊讶的望着我,继而朝抬手朝我压了压道:“这位同学的引述很有意思啊,你的思维很跳跃,居然能够从伏羲观天引述以高纬度脚点到低纬度脚点,这一点呢,其实我之前也有同样的想法,大家看一下。”

说完,他快步走到黑板前拿起粉笔在黑板上画了一个点,随即开口道:“零维。”

接着以哪个点往前延伸画了一条直线,接着又道:“一维。”

随后又在那条直线上画了个正方形,补充道:“二维。”

继而在正方形上补了几笔:“这是三维的立方体。”

“关于这三几个维度大家应该都不陌生了吧?现在我就来说一说二维吧,如大家所了解,二维只是一个简单的平面世界,手机里的俄罗斯方块、画卷上面的画等等都是二维的。刚才那位同学所说的伏羲观天指的就像我们看一副画或者玩一个二维游戏一样,以高纬度的视角来观察甚至操控低纬度空间的东西,这么说大家应该明白了吧?如果世上真的有伏羲的话,那么他看我们甚至看我们所生存的世界,其实就像你看画中所画的东西以及游戏里的那些方块一样,他所说的神应该就是这个意思吧?高纬度俯视低纬度,低纬度仰视高纬度,人类喜欢将一些不能够解释的存在延伸至神话,这其实是一种主观上的逃避吗?其实并不是,物理学告诉我们,维度是无限往上延伸的,即V1,V2V1,V2是线性空间VV的两个有限维子空间,那么dim(V1)+dim(V2)=dim(V1+V2)+dim(V1∩V2)dim?(V1)+dim?(V2)=dim?(V1+V2)+dim?(V1∩V2)····”

一节物理大课就这么在杨慈青滔滔不绝中结束,直到外面响起了下课铃声,他才将指尖的粉笔直接装进了口袋里,喝了口水后,朝我指了指道:“那位同学,你先留一下,其他同学先走吧。”

我怔怔的望着他,随即朝前后看了看,试探性的指了指自己:“我?”

他微笑着点了点头。

身旁的伊妹儿收拾课本的时候有些郁闷的朝我道:“要我留下来陪你吗?”

我苦涩的朝她摇了摇头说不用了。

她犹豫了下,朝我小声道:“那我在大门口等你吧。”

我原本想说不用的,可她却已经走了。

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