Matrix comparison with unequal sized matrices

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Daniel Lee
Daniel Lee el 26 de Oct. de 2020
Comentada: Daniel Lee el 26 de Oct. de 2020
Hi
Let's say I have:
A = [A1, A2, A3, A4, A5]
B= [B1,B2,B4,B4,B5]
N = counter
If I want to:
  1. Compare B1 to A2. If B1 is greater than A2, increment N by 1. Else do nothing.
  2. Compare B2 to A3. If B2 is greater than A3, increment N by 1. Else do nothing.
  3. Compare B3 to A4. If B3 is greater than A4, increment N by 1. Else do nothing.
  4. Compare B4 to A5. If B4 is greater than A5, increment N by 1. Else do nothing.
  5. and ignore B5 since it has nothing to compare to
Is there a way to define above description in MATLAB...?
Thank you in advance
  2 comentarios
KSSV
KSSV el 26 de Oct. de 2020
Read about isequal.
Daniel Lee
Daniel Lee el 26 de Oct. de 2020
Will do. thank you!

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Respuesta aceptada

Stephen23
Stephen23 el 26 de Oct. de 2020
Editada: Stephen23 el 26 de Oct. de 2020
N = nnz(B(1:end-1)>A(2:end))
Tested:
>> A = randi(9,1,5)
A =
2 5 7 2 6
>> B = randi(9,1,5)
B =
3 9 5 5 4
>> N = nnz(B(1:end-1)>A(2:end))
N = 2
  1 comentario
Daniel Lee
Daniel Lee el 26 de Oct. de 2020
thank you Stephen-- I'm going to have to study up on nnz function and randi function

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