不等式吧 关注：9,835贴子：51,954
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按了三节课电脑
很考察综合编程能力，应该可以合并一些东西，不过有时间再化简吧
——
此处s表示上图所示的轮换12项和
f(u,v,w,x,y,z)=1/12s((uv+xy+1)^2(-w^2-z^2+1))+1/1260s((u+v+w)(16u^3yz+444u^2vx^2-206u^2vy^2-98uv^2z^2-588uv^2+152uvwx^2+304uvwyz-140uw^2xy+380uw^2yz+309ux^2-66uy^2z^2-351u-32v^3yz+309v^3+156vyz-744vz^2+206w^3x^2+32wx^4-548wxyz^2-444wxz^3))+1/74340s((-59uy-14uz+59vx+12vz+14wx-12wy)^2(-v^2-y^2+1))+1/190260s((3u+3v+151w)^2(-w^2-z^2+1))+1/796320s((9u+9v+316w)^2(-w^2-z^2+1))+1/252458640s((-3396uy-935uz+3396vx+935wx)^2(-v^2-y^2+1))+38249/855792s((uy-vx)^2(-w^2-z^2+1))+1334057/13360480s((u+v)^2(-w^2-z^2+1))
很考察综合编程能力，应该可以合并一些东西，不过有时间再化简吧——
此处s表示上图所示的轮换12项和
f(u,v,w,x,y,z)=1/12s((uv+xy+1)^2(-w^2-z^2+1))+1/1260s((u+v+w)(16u^3yz+444u^2vx^2-206u^2vy^2-98uv^2z^2-588uv^2+152uvwx^2+304uvwyz-140uw^2xy+380uw^2yz+309ux^2-66uy^2z^2-351u-32v^3yz+309v^3+156vyz-744vz^2+206w^3x^2+32wx^4-548wxyz^2-444wxz^3))+1/74340s((-59uy-14uz+59vx+12vz+14wx-12wy)^2(-v^2-y^2+1))+1/190260s((3u+3v+151w)^2(-w^2-z^2+1))+1/796320s((9u+9v+316w)^2(-w^2-z^2+1))+1/252458640s((-3396uy-935uz+3396vx+935wx)^2(-v^2-y^2+1))+38249/855792s((uy-vx)^2(-w^2-z^2+1))+1334057/13360480s((u+v)^2(-w^2-z^2+1))
