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David Haydock


Last seen: 1 year 前 |  自 2022 起处于活动状态

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统计学

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How do I find rows that match a list of vectors without using a loop?
Let's say I have a list of length 2 vectors that can occur, which I put in a matrix as rows: possible = [1 2; 1 3; 1 4; 1 5; ...

1 year 前 | 1 个回答 | 0

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Is there a function like movsum which simply gets the values in a given sliding window rather than summing them?
If I have a sequence x = [1 2 3 4 5 6 7 8 9 10]; What is the most efficient way to get sub-vectors in a sliding window, i.e., ...

1 year 前 | 3 个回答 | 0

3

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Determine the number of elements in succession in a vector that are equal in a succinct way
I have a sequence, say: x = [4 4 4 4 4 1 1 1 1 1 1 2 2 2 2 2 2 2 4 4 4 4 4 4 4]; I need to get the 4's at the end of the seque...

2 years 前 | 1 个回答 | 0

1

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Is there a basic function that gets one half of a symmetrical matrix?
triu(X)

2 years 前 | 1

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Is there a basic function that gets one half of a symmetrical matrix?
Title speaks for itself. I have done multiple pairwise t-tests and want to get one half of the p-value matrix to check for false...

2 years 前 | 2 个回答 | 0

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How do I find a substring within two different strings at once?
Lets say I have a Nx2 cell array: X = {"Here is ABC", "Here is ABC";... "Here is AFB", "Here is ABC"... } I need to ...

2 years 前 | 1 个回答 | 0

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How do I split a vector into parts using indexes?
I have a vector, say x = 1:100; and I have a vector that is indexes within the range of the size of x, say, y=[10,40,60]; ...

2 years 前 | 1 个回答 | 0

1

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Is there a way to find the index of a subsection of a vector?
strfind

2 years 前 | 1

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提问


Is there a way to find the index of a subsection of a vector?
Lets say I have the vector a = [1,2,1,2,3,4,5,1,2,1]; and I need to search through it to find: b = [1,2]; and get the output...

2 years 前 | 1 个回答 | 0

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Is there a function to make a long list of a single value?
I.e. if I want to make a list 400 values long of all 1's, I would use ones(400,1) But what if I wanted to make a list of say,...

2 years 前 | 1 个回答 | 0

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How do I count how many times in a row a value occurs?
If I have some list, say: A = [1 2 4 3 1 1 1 1]; How do I calculate and store *how many times in a row* each number occurs? F...

2 years 前 | 2 个回答 | 0

2

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Why isn't my system command running? In Linux.
FSL was installed at the local level and worked when it was reinstalled at the root.

2 years 前 | 0