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Lulu


2011 年からアクティブ

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質問


The problem with the function 'all'
Hello, I need to compare two data sets, i.e. a = [6 11 9; 5 4 3]; b = [1 2 3]; all(a>b); % The problem is that 'a' contains m...

約13年 前 | 3 件の回答 | 0

3

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質問


Find divisors for a given number
Hello, I need to find all possible divisors D for a given number N that provide integers in N/D. For instance, if N=8, then D...

約13年 前 | 6 件の回答 | 0

6

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質問


Determine if a point is inside a cube
Hi! There are given 8 vertices of a cube and a random point. How can I define that the point lies inside the cube? I wanted to c...

約13年 前 | 4 件の回答 | 0

4

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Sum of Euclidean distances
Hi. There are 5 points in 3D space: xyz=rand(5,3). How can I quickly calculate a sum of Euclidean distances from the 1st ...

約13年 前 | 2 件の回答 | 0

2

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質問


How to simplify the given code snippet?
Hello, I need to simplify the following code. Perhaps 'reshape' function should be used, but in which way? Any ideas would be a...

約13年 前 | 1 件の回答 | 0

1

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selecting desired values
Do you want to select values based on indices? If so, then here is an example: ind = [1; 2; 5; 15]; col1 = array(ind,1); col2 = ...

約13年 前 | 0

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program takes long time to run
If Nf is large, then try to vectorize FOR loop.

約13年 前 | 0

質問


Array processing problem
Hi, I have the following problem. Let's say there is an 3x3 array 'arr': 0 0 0 0 0 0 0 0 0 There are 3 edges 'E': 1 2 ...

約13年 前 | 1 件の回答 | 0

1

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