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Vanessa


Universidad de los Andes

Actif depuis 2013

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Student of Biology and Environmental Engineering
Professional Interests: ecology, biological modeling

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Question


Add coordinate points to a grid
Hi, I need help. Im trying to create a grid (map of a ground) 200m x 300m and then I need to add some points in the grid. I have...

environ 9 ans il y a | 1 réponse | 0

1

réponse

Question


Choose randomly rows in a matrix
Hi I have a matrix with 2 columns, the first is for 'ID', the second is for 'age'. I want to randomly pick 'n'(e.g. 2) IDs of t...

environ 11 ans il y a | 1 réponse | 0

1

réponse

Question


change a vector of a matrix
Hi, I have a function function survival(Si) where Si is a matrix (mx8) Inside the function I create a vector 'status (...

environ 11 ans il y a | 2 réponses | 0

2

réponses

Question


compare 2 matrix with different dimensions
Hi, assume that I have a matrix 'info' (800,3), the first column is for ID, the second column is for coordinate x and the last c...

environ 11 ans il y a | 2 réponses | 0

2

réponses