1。函数名：CrtPower(a)
作用：计算矩阵中的向量权
优点：直接由原始数据可以换算出矩阵中的向量权
源代码：
function rstPower=CrtPower(a)
%**********************************************************
% This is Help Information About Power() Function.
% Find the min number in the matrix.
% Verison:1.2.0 Finish Date:30/08/2004
% Usage:
% Power(a) %a is matrix .
% return a rstPower.
%***********************************************************
if nargout>1
error('Too many output arguments!');
else
if (nargin<1 | nargin>=2)
error('Too many input arguments!');
else
SumCols=length(a(1,:));%Get the Cols of the matrix.
if SumCols>=3
SumRows=length(a(:,1));%Get the Rows of the matrix.
rstPower=zeros(SumRows);
for Col=2:SumCols-1
ParCol=a(:,Col);
BefCol=a(:,Col-1);
AftCol=a(:,Col+1);
for RowCount=1:SumRows;
for tmpRow=1:SumRows;
if RowCount==tmpRow
rstPower(RowCount,tmpRow)=0;
else
if ParCol(RowCount)-BefCol(tmpRow)>=0
tmpM=ParCol(RowCount)-BefCol(tmpRow);
if AftCol(RowCount)-ParCol(tmpRow)>=0;
tmpN=AftCol(RowCount)-ParCol(tmpRow);
else
tmpN=AftCol(RowCount)-ParCol(tmpRow);
end;
rstPower(RowCount,tmpRow)=rstPower(RowCount,tmpRow)+abs(tmpM)+abs(tmpN)-(Col-2)*abs(tmpM);
else
tmpM=(SumCols-Col+1)*(ParCol(RowCount)-BefCol(tmpRow));
if AftCol(RowCount)-ParCol(tmpRow)>=0;
tmpN=AftCol(RowCount)-ParCol(tmpRow);
rstPower(RowCount,tmpRow)=rstPower(RowCount,tmpRow)+abs(tmpM+tmpN)-(Col-2)*abs(tmpM);
else
tmpN=AftCol(RowCount)-ParCol(tmpRow);
rstPower(RowCount,tmpRow)=rstPower(RowCount,tmpRow)+abs(tmpM)+abs(tmpN)-(Col-2)*abs(tmpM);
end;
end;
end;%End if
end;%End tmpRow for
end;%End RowCount for
end;%End Col For
else
error('Length of the martrix is too short!The minium number is 3!');
end; %End if SumCols>=3
end;%End If (nargin<1 | nargin>=2)
end;
2。函数名：FindMinParam(a,iCount,Diff)
作用：查找矩阵中指定的iCount个最小数。查找同行中（Diff=0，默认值）、不同行（Diff=1）中最小值
优点：直接给出数据就可以查找出矩阵中较小元素所在的行和列
源代码：
function rst=FindMinParam(a,iCount,Diff)
%**********************************************************
% This is Help Information About FindMinParam() Function.
% Find the min number in defferent Rows and Cols the matrix.
% Verison:1.1.2 Finish Date:28/08/2004
% Usage:
% FindMinParam(a,iCount,Diff)
% a is matrix .
% iCount is Counter.
% Diff is the parame to Find the mininum in Different Row.
%***********************************************************
if nargout>1
error('Too many output arguments!');
else
if (nargin==0 | nargin>3)
error('Too many input arguments!');
else
Cols=length(a(1,:));
Rows=length(a(:,1));
if nargin==1
iCount=Rows * Cols;
Diff=0;
end;
if nargin==2 | nargin==3
if iCount>Rows * Cols
error('The search number is too big!');
iCount=Rows * Cols;
elseif iCount<1
error('The mininum is 1');
iCount=1;
else
iCount=iCount;
end;
if nargin==3
if Diff==1
Diff=1;
else
Diff=0;
end;
else
Diff=0;
end;
end;
rst=zeros(iCount,3);
for Count=1:iCount
Succ=0;
for RowCount=1:Rows;
for ColCount=1:Cols;
if (min(min(a))==a(RowCount,ColCount));
tmpMin=min(min(a));
tmpRow=RowCount;
tmpCol=ColCount;
if Diff==1
a(RowCount,:)=inf;
a(:,ColCount)=inf;
else
a(RowCount,ColCount)=inf;
end;
Succ=1;
break;
end;
end %End For
if Succ==1
break;
end;
end;
if Succ==1
rst(Count,1)=tmpMin;
rst(Count,2)=tmpRow;
rst(Count,3)=tmpCol;
end;
end;
disp(rst);
end;
end;
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