Latex

点乘$cdot$　cdot　

矩阵$egin{bmatrix} 5 & 0 & 0 \ 0 & 5 & 0 \ 0 & 0 & 5 end{bmatrix}$　egin｛bmatrix｝ 5 & 0 & 0 \ 0 & 5 & 0 \ 0 & 0 & 5 end｛bmatrix｝  (&空格，\换行)

阿尔法$alpha$  alpha

贝塔$eta$  eta

分号$frac{a}{b}$  frac{a}{b}

$ riangleq$  riangleq

$wedge$  wedge

$vee$  vee

$lambda$  lambda

$in$  in

$sigma$  sigma

$Sigma$  Sigma

$zeta$  zeta

$ hickapprox$  hickapprox

$mathop{min}limits_{Delta{x}}$  mathop{min}limits_{Delta{x}} (若是普通符号，那么要用mathop先转成数学符号再用limits)

参考：http://www.mohu.org/info/symbols/symbols.htm

$ enewcommand{ healgorithm}{1}   %定义算法的编号$

$egin{algorithm}[H] $
$caption{Doppler Profile Extraction}$
$egin{algorithmic}[1]$
$REQUIRE{Spectrogram matrix $P$, centre frequency bin $cf$}$
$ ENSURE{Doppler shift profile $DopShift$}\$
$STATE{colNum=getColumNum($P$);} \$
$STATE{$DopShift$(1:colNum)=$cf$;}  //initialization \$
$FOR{i=1:colNum}$
  STATE row=getNonNullRows(col(i)); // get non-null rows of the $i$th col\
 IF{isNotEmpty(row)}
  STATE{meanValue=mean(row);}\
       ElSE
              STATE{meanValue extgreater cf}\
              STATE{$DopShift$(i)=max(row);}\
              STATE{$DopShift$(i)=min(row);}\
       ENDIF
 ENDFOR
 STATE{$DopShift$ = SMA($DopShift$);} // SMA represents smoothed moving average filter\
       STATE{Return $DopShift$;}
end{algorithmic}
end{algorithm}

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