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In the original paper (Vasudevan et al., see ibid., vol. 42, no. 4, p. 409-13, 1995), the authors claimed the speeding-up of a modified nodal method developed by Sudha et al. (Ref.  in the original paper) by using sparsity programming and resistance modeling of the switches, instead of the inductor modeling used in Ref. . As a co-author of Ref. , the author wishes to point out that Krishna et al. have not implemented the algorithm in Ref.  in the proper manner, while making comparisons for computational speedup. He details how, if sparsity methods are used in the algorithm given in Ref. , the computation times can be reduced much more than that given in the paper under discussion.
Date of Publication: April 1997