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Article #21021Re: ����һ�����ʽ���ˣ�չ�������ʽ ϵ����α�̣�
From: �����ޡ���ӵ�Ұ�
Date: Tue, 22 Jul 2003 02:13
Date: Tue, 22 Jul 2003 02:13
29 lines
2144 bytes
2144 bytes
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c0 = a1*a2* ... *an
c1 = a1*a2*...*an-1*bn + a1*a2*...*an-1*b-1*an + ...+b1*a2*...*an
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ci = ��aϵ����ȡn-i ���bϵ����ȡi������ϵij˻�֮��
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n
Ci = S a(n-i)*b(i)
1
S ����1 ��n���
a(n-i)*b(i) �������һ����ʽ
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ͬʱ�� b1,b2,... bn ��ȡ�� i
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�� �� jetwolf (����gg) �Ĵ������ᵽ: ��
: ���ʽ�ǣ�[a-i+b-i*x] ����ϵ��a-i,b-i�����飬i��1��n,���ڽ����ʽ��1���˵�n
: Ȼ��չ���õ�c0+c1*x+c2*x^2+c3*x^3........+cn*x^n, ����չ���õ���ϵ��c-i��û��
: ��������
: ��α�һ����ϵ��ĺ����أ�
: �Ǻǣ������Ǹ���ѧ���⣬���Ǹ����������
: ����ָ��һ�°ɣ�лл
: ����˵mathematica������������ܣ��������
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X-Google-Language: Chinese,GB X-Google-Thread: 109fdd,79627c08e7b7a713,start X-Google-Attributes: gid109fdd,public X-Google-ArrivalTime: 2003-07-21 19:15:46 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-04!sn-xit-06!sn-xit-09!supernews.com!64.152.100.70.MISMATCH!sjc70.webusenet.com!news.webusenet.com!maily.cic.tsinghua.edu.cn!SMTH From: hermit@smth.org (�����ޡ���ӵ�Ұ�) Newsgroups: cn.bbs.comp.lang.visual-basic Subject: Re: ����һ�����ʽ���ˣ�չ�������ʽ ϵ����α�̣� Date: 22 Jul 2003 02:13:49 GMT Organization: BBS ˮľ�廪վ Message-ID: <000000$4We@smth.org> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: VisualBasic/P/M.1058839522.a0 Lines: 29