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NMans


Active since 2018

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change calculation into financial/fiscal year
I've been doing my calculations/written my code based on calendar year, but realised now that I should have done it based on fin...

mer än 6 år ago | 1 answer | 0

1

answer

Question


Find the number of times a number is in an array for every column
Hi, this is probably quite simple but can't get my head around it. I have 8784 x 9 matrix and I want to find value <= 0 in this ...

mer än 6 år ago | 1 answer | 0

1

answer

Question


Remove elements from matrix if length below certain number
Hi, I would like to remove elements from my matrix if it doesn't meet certain conditions. My code is as below but I get an error...

mer än 6 år ago | 1 answer | 0

1

answer

Question


Fit multiple curves in one graph using least squares
Hi all, I've created yearly power curve for multiple wind farms (with multiple curves in a graph) and I would like to fit the...

mer än 6 år ago | 4 answers | 0

4

answers

Question


Index satisfying multiple conditions
Hi, I have a matrix with 4 columns of Year, Month, Hour, Speed. I would like to extract the data from just month 1, month 11 and...

mer än 6 år ago | 2 answers | 0

2

answers

Question


number of times consecutive values occur
I have a row vector (1000 x 1) containing the values of 0 and nonzero values. I would like to find the number of times non-zero...

mer än 6 år ago | 2 answers | 0

2

answers

Question


Multiply matrices of different sizes
Background: I've got 7 years worth of Power data for a wind farm binned into 100 bins of wind speed i.e. 100 x 7 matrix. I've go...

mer än 6 år ago | 2 answers | 0

2

answers