xxx xxxxxxx xxxx \(x\xx\xxxxxx{x}^x\) xxx \(x\xx\xxxxxx{x}^{x\xxxxx x}\). xxxxxxxx xxxxx xxxxxxxxxx (xx xxxxxxxxxxxxxx): \(\xxx\xxxx_\xxxxxx=\xxx\xxx_{\xxxx}\ \|x-x\xxxx\|_x^x+\xxxxxx\|\xxxx\|_x^x\), xxxx \(\xxxxxx>x\). xxxxxxx xxx xxx xxxx xxxx \(x\) xxx xx xxx \(x=x\xxxxx x^\xxx\), xxxxx \(\xxxxx=\xxxxxx{xxxx}(\xxxxx_x,\xxxx,\xxxxx_x)\) xxx \(x=\xxxxxx{xxxx}(x)\). xxxxxxx \(\xxx\xxxx_\xxxxxx\) xxxxxxxxxx xx xxxxx xx \(x,\xxxxx,x\). xxxx xxxxxxxxx, xx xxx xxxxxxxx, xxxx xxxxx xxxx xx xxxx xxxxxxxx-xxxxxxxxx xxx xxx xxxx xxxxx xxxx \(x^\xxx x\) xx xxx-xxxxxxxxxxx xx xxxxxxxx.