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john creighton


GMIT

Active since 2014

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How do I delete values of grayscale under 0.5 in a matrix?
hey all I have a matrix with values of 0 to 1 in order to use grayscale, however I need to delete or set any value that is belo...

10 years ago | 1 answer | 0

1

answer

Question


flip certain columns in matrix
hey all i need to flip every nth column in a matrix. ie. if i have matrix A=[1 2 3;4 5 6;7 8 9] i need it to become A=[1 8 3;4 ...

10 years ago | 2 answers | 0

2

answers

Answered
rotating N-D matrices
yup that worked. thanks sean

10 years ago | 0

Question


rotating N-D matrices
hey everyone i have 2d matrix which i have repeated 24 time using repmat function. i need to rotate each of these repeated matr...

10 years ago | 2 answers | 0

2

answers

Answered
mean of matrix elements
Both answers worked perfectly. Thanks guys. sorry can only accept one answer lol

10 years ago | 0

Question


mean of matrix elements
hey all. i have a 5760x1 matrix. i need to find the average of the first 10 elements, remove the 10 elements and replave with th...

10 years ago | 4 answers | 0

4

answers

Question


how can i rotate an N-dimensional matrix?
hi all i am having trouble with project and need to figure out how i can rotate an N-dimensional matrix so that i can 'look in ...

10 years ago | 2 answers | 0

2

answers