Does available funtion in Matlab can extract rows satisfied a condition?
1 visualización (últimos 30 días)
Mostrar comentarios más antiguos
binh23294
el 28 de Sept. de 2020
Comentada: binh23294
el 28 de Sept. de 2020
I want to create a matrix has rows has first column value = 4 from matrix a; like
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/367906/image.png)
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/367909/image.png)
Does available funtion in Matlab can extract rows satisfied a condition? Thanks so much!
0 comentarios
Respuesta aceptada
Ameer Hamza
el 28 de Sept. de 2020
Editada: Ameer Hamza
el 28 de Sept. de 2020
Read about array indexing: https://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html and https://www.mathworks.com/help/matlab/math/array-indexing.html
a = [4 5 6;
4 5 6;
5 5 6];
idx = a(:,1)==4;
b = a(idx, :);
Más respuestas (0)
Ver también
Categorías
Más información sobre Multidimensional Arrays en Help Center y File Exchange.
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!