perplexus.info :: Just Math : Entries of a matrix

Entries of a matrix (Posted on 2021-01-29)

Let be a natural number n≥2 and the n×n matrix whose entries at the i-th line and j-th column is min(i,j). Calculate:

a) its determinant
b) its inverse

No Solution Yet Submitted by Danish Ahmed Khan

Rating: 4.0000 (1 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)

Trivial solution for n=2

| Comment 1 of 5

Removed incorrect comment!

Edited on January 29, 2021, 9:18 pm

Posted by Kenny M on 2021-01-29 14:13:07

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