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cfjunior


Active since 2013

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How do I test hyphotesis on matlab? How to create a confidence interval?
The problem is: I have some estimations for a nonlinear function (based on maximum likelihood estimation). After estimating ...

10 years ago | 0 answers | 0

0

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How to replace elements different than 0 and different than NaN to 1?
I have this huge matrix with a lot of elements: (i) equal to zero; (ii) number different than zero; (iii) NaN values ... I ne...

10 years ago | 2 answers | 0

2

answers

Question


How do I product elements of a vector?
Hi, I have this matrix (3000 by 2) and I want the product of a range of elements in the second column. All of the elements ar...

10 years ago | 1 answer | 0

1

answer

Question


How do I find the greater minor number that is divisible by 'n'?
How do I find the greatest minor number that is divisible by 'n'? For example, if I have the number 730 and I want to find th...

10 years ago | 1 answer | 0

1

answer

Question


How do I exclude zeros from a matrix?
How do I exclude zeros from a matrix and create a new matrix? For example: A = [1 2 0 3 0 4 5 0; 7 0 0 0 2 3 4 1] and I want ...

11 years ago | 2 answers | 0

2

answers

Question


Values closest to a number
How do I find the two closest numbers from a number in a vector column? For example, suppose I have: A = [2 3 5 6 9 10 23 45 ...

11 years ago | 2 answers | 0

2

answers

Question


How do I create a vector with the first day of each month?
How do I create a column vector with the first day of each month? Considering I have a list of days...

11 years ago | 2 answers | 0

2

answers