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Evelyn


Technische Universiteit Delft

Active since 2014

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Lognormal fitting with 10-base
I have the statistical toolbox and used it to make a lognormal fitting with e-base. Now I need a lognormal fitting with 10-base,...

9 years ago | 2 answers | 0

2

answers

Question


How to order data according to month?
I have been thinking about a proper way to do this and thought I would ask for input here: I have 8 years with data, these ar...

10 years ago | 1 answer | 0

1

answer

Question


When you have different values assigned to different strings, how can you use these values in a loop?
I want to make a loop and do a few things inside this loop, but none of them work yet. Part of it has to concern with months, fo...

10 years ago | 1 answer | 0

1

answer

Question


How to count in arrays?
Let's say I have two arrays apple = [1 2 3 4 5 6 7 8]; pear = [2 3 1 2 7 6 1 8]; I want to compare these arrays and c...

10 years ago | 1 answer | 0

1

answer

Question


Getting a mean of only the numbers
I have a dataset and I want the mean value of the numbers. There are a lot of NaN-values in there and I want to ignore those (th...

10 years ago | 2 answers | 0

2

answers

Question


Why do unexpected imaginary values appear when I try to fill my matrix with a loop?
The entire code is too big to put here, but I have Ntot = Nq*Nw; matrix = zeros(Ntot,4); Nline = 0; ...

10 years ago | 1 answer | 0

1

answer

Question


changing values in a certain column of a matrix
I have a large matrix and in the fifth column I want to replace every value of 990 with 30.375, how could I do this easily? I fo...

10 years ago | 2 answers | 0

2

answers

Question


How can I manipulate my data? (Maybe with flagging)
I have a matrix with data, it has a lot of rows and 7 columns. Later I want to devide the last three columns in blocks of 30, bu...

10 years ago | 1 answer | 0

1

answer

Question


where do those imaginary values come from?
If I use this piece of code b=24; k=2000*3600; ...

10 years ago | 1 answer | 0

1

answer

Question


How do I find my wanted values in a .txt-file?
I succeeded to let Matlab read a .txt-file with two columns (let's say t and w) but now I want it to give me w(t), so for a cert...

10 years ago | 1 answer | 0

1

answer

Question


How can I discretize a function so I can use it in a model?
I need to use discretized data in my model, but I have three continuous functions for three different time-periods. How can I im...

10 years ago | 1 answer | 0

1

answer