Question

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...

8 years ago | 3 answers | 0

Question

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...

8 years ago | 4 answers | 0

Question

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...

8 years ago | 2 answers | 0

Question

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 ...

8 years ago | 2 answers | 0

Question

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...

8 years ago | 1 answer | 0

Answered

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 = ...

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 = ...

8 years ago | 0

Answered

program takes long time to run

If Nf is large, then try to vectorize FOR loop.

program takes long time to run

If Nf is large, then try to vectorize FOR loop.

8 years ago | 0

Question

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 ...

8 years ago | 1 answer | 0