>> rand('seed', 0) ;
>> X = rand (100, 5) ;
>> mHC = l1median_HoCr (X)

mHC =

    0.5261    0.5123    0.5171    0.4963    0.4635

>> mVZ = l1median_VaZh (X)

mVZ =

    0.5261    0.5123    0.5171    0.4963    0.4635

>> pc = PCAgrid (X)

pc = 

        sdev: [0.4251 0.3939]
    loadings: [5x2 double]
           k: 2
         obj: [0.1807 0.1552]
       n_obs: 100
       scale: [1 1 1 1 1]
      center: [0.5261 0.5123 0.5171 0.4963 0.4635]
    pc_order: [1 2]
      scores: [100x2 double]

>> sp = PCAproj (X, 2)

sp = 

    loadings: [5x2 double]
        sdev: [0.4027 0.3835]
      center: [0.5261 0.5123 0.5171 0.4963 0.4635]
       scale: [1 1 1 1 1]
       n_obs: 100
>> rand('seed', 0) ;
>> X = rand (100, 5) ;
>> mHC = l1median_HoCr (X)

mHC =

    0.5261    0.5123    0.5171    0.4963    0.4635

>> mVZ = l1median_VaZh (X)

mVZ =

    0.5261    0.5123    0.5171    0.4963    0.4635

>> pc = PCAgrid (X)

pc = 

        sdev: [0.4251 0.3939]
    loadings: [5x2 double]
           k: 2
         obj: [0.1807 0.1552]
       n_obs: 100
       scale: [1 1 1 1 1]
      center: [0.5261 0.5123 0.5171 0.4963 0.4635]
    pc_order: [1 2]
      scores: [100x2 double]

>> sp = PCAproj (X, 2)

sp = 

    loadings: [5x2 double]
        sdev: [0.4027 0.3835]
      center: [0.5261 0.5123 0.5171 0.4963 0.4635]
       scale: [1 1 1 1 1]
       n_obs: 100
      scores: [100x2 double]

>> sp = PCAproj (X, 5, 'mad', 'lincomb')

sp = 

    loadings: [5x5 double]
        sdev: [2.0793 0.4027 0.3835 0.3474 0.3110]
      center: [0.5261 0.5123 0.5171 0.4963 0.4635]
       scale: [1 1 1 1 1]
       n_obs: 100
      scores: [100x5 double]

>> sc = qn (X)

sc =

    0.2958     scores: [100x2 double]

>> sp = PCAproj (X, 5, 'mad', 'lincomb')

sp = 

    loadings: [5x5 double]
        sdev: [2.0793 0.4027 0.3835 0.3474 0.3110]
      center: [0.5261 0.5123 0.5171 0.4963 0.4635]
       scale: [1 1 1 1 1]
       n_obs: 100
      scores: [100x5 double]

>> sc = qn (X)

sc =

    0.2958