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pbdBASE (version 0.5-3)

base.pdclvar: Column Variances

Description

Computes the variances of a ScaLAPCK-like distributed matrix. Significantly faster than using apply(), even in compared to the performance differences you would find comparing these two approaches using just base R.

Usage

base.pdclvar(x, descx)

Arguments

x

The matrix.

descx

ScaLAPACK descriptor array.