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makematrix_frankmin

Returns the Frank-min matrix

Calling Sequence

A = makematrix_frankmin ( n )

Parameters

n :

a 1-by-1 matrix of doubles, integer value, the size of the matrix to return

A :

a n-by-n matrix of doubles, the Frank-min matrix

Description

Returns the Frank-min matrix of size n.

For i=1,2,...,n, we have : A(i,j) = min(i,j)

"A reasonably well behaved matrix." see Nash below.

Examples

A = makematrix_frankmin ( 5 )

Authors

Bibliography

J.C. Nash, Compact Numerical Methods for Computers: Linear, Algebra and Function Minimisation, second edition, Adam Hilger, Bristol, 1990 (Appendix 1).


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