h***t
发帖数: 2540 | 1 let u(x,y) be the real part of (z^2+z+1)^20. show that u is a harmony function
for any ordered pair(x,y)
any easy way to prove this ? | H****h
发帖数: 1037 | 2 解析函数的实部当然调和了。
function
【在 h***t 的大作中提到】
: let u(x,y) be the real part of (z^2+z+1)^20. show that u is a harmony function
: for any ordered pair(x,y)
: any easy way to prove this ?
| h***t
发帖数: 2540 | 3 if wanna to use this theorem, prove may be more difficult the problem itself
Looks at the coefficient of polynomial terms,I plan use Fib sequence to prove
this.
Is it a easy way ?
【在 H****h 的大作中提到】
: 解析函数的实部当然调和了。
:
: function
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