Help on understanding the following matlab code ?

xt= 15 10 5 0

11 6 1 4

7 2 3 8

3 2 7 12

1 6 11 16

[~,J]=min(flipud(xt),[ ],2)

----------------------------------------------------------

Output J= 1

2

2

3

4

[KALYAN ACHARJYA]

https://in.mathworks.com/help/matlab/ref/flipud.html

Answer 1

[Jan]

Step by step:

• flipud(xt): This flipps the order of elements vertically. Try it:

x = rand(3,2)
flipud(x)

• min(Y, [ ], 2) : find the minimal value along the 2nd dimension
• [~, J] = ... : Ignore the first output and assing the 2nd output to the variable J

See also:

doc flipud
doc min