Identity matrix: Difference between revisions
Content added Content deleted
m (Add a "Works in" for example code) |
(Add a "Try it" link) |
||
| Line 2: | Line 2: | ||
Given a positive integer argument ''n'', '''identity matrix''' returns a ''n''×''n'' matrix with ones in the main diagonal and zeros elsewhere. |
Given a positive integer argument ''n'', '''identity matrix''' returns a ''n''×''n'' matrix with ones in the main diagonal and zeros elsewhere. |
||
[https://ngn.bitbucket.io/k#eJyzNeWyNeSyNQAABlwBYg== Try it!] |
|||
<syntaxhighlight lang=text> |
<syntaxhighlight lang=text> |
||
=5 |
=5 |
||
Revision as of 08:06, 7 July 2021
Identity matrix
{{{1}}}
Given a positive integer argument n, identity matrix returns a n×n matrix with ones in the main diagonal and zeros elsewhere.
=5
(1 0 0 0 0
0 1 0 0 0
0 0 1 0 0
0 0 0 1 0
0 0 0 0 1)
=1
,,1
=0
()
Works in: ngn/k
This primitive is not available in all dialects, It can be implemented in K as:
im:{(2#x)#1,&x}
im[4]
(1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1)