[dennou-ruby:000109] Re: NMDArray revised

[gotoken@xxxxxx (GOTO Kentaro)]

In message "[dennou-ruby:000107] Re: NMDArray revised"
    on 99/10/05, Takeshi Horinouchi <horinout@xxxxxx> writes:

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Array#compose

  [a,b,c,...].compose{|i,j,k,...| ....}

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    [a,b].compose{|i,j| i*j if i > 0}

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    c = []
    a.each_indeces{|i| c[i] = a[i] * b[i] if a[i] > 0}
    a = c