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# Dave

Last seen: 1 year ago Active since 2014

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Question

Determine if a point lies between two lines
Assume there are two lines and each line is defined by two points.(e.g. (x1a,y1a) and (x2a,y2a) for line 1, (x1b,y1b) and (x2b,y...

6 years ago | 1 answer | 0

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Question

What kind of matrix multiplication algorithm is used in MATLAB?
I am making some benchmarking with several languages and trying to understand why MATLAB's matrix multiplication is so fast. In ...

7 years ago | 1 answer | 0

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Displaying azimuth angles around a cylinder
polar(0,1);hold on [X,Y,Z] = cylinder; surf(X,Y,Z)

8 years ago | 0

| accepted

Question

Displaying azimuth angles around a cylinder
Hi, Is there an easy way to display tick marks in terms of azimuthal angles? For instance, I would like to display azimuth an...

8 years ago | 1 answer | 0

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Question

Assigning colors on a cylinder
Hi, Assume a cylindrical surface is divided into horizontal and vertical (equal) segments. I need to assign colors to each sq...

8 years ago | 2 answers | 0

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How to find prime numbers?
Hi, A=primes(50); A(length(primes(25))+1:end) Dave

8 years ago | 0

| accepted

Question

How can we define piecewise functions along a 2D curve?
It's easy to define piecewise functions between specific points (triangular, rectangular, sinusoid functions) on x axis. How can...

9 years ago | 2 answers | 0