Dear all:

Thanks a lot for every thing. The codes work well. For beginners it is amazing, because the algorithms is so different from other language and so short. Incidentally  is it possible to make subtotals of other variables based on the X variable?

interval X: x0 x1 x2   xn
Y:(length m1)
Z:(matrix m1*m2)

We would like to make subtotal matrix based on the Y variables with interval X.
That is the reason why considered the code:

subtotal=: 4 : 0
u-_1}.0,u=.(<:+/\y){+/\x
)

If we can count out the number for each interval, just it is good to apply to each columns of Z matrix.

Best regards.




+++++++++++++++++++++++++++++
    Toshinari Kamakura

    Chuo University
    1-13-27 Kasuga
    Bunkyo-ku
    Tokyo 112-8551, Japan
++++++++++++++++++++++++++++++



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