Hi,

I just updated rtensor_sup.rb to ver 0.0.1.C by fixing method "sum":

    http://tensor.heliohost.org/rtensor/ver/

And also the tentative tutorial contains more sections (I added
Subscripts, the IRange, and Index Array as a Subscript Argument):

    http://tensor.heliohost.org/rtensor/tutorial/

Regards,

Bill

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