math Archives - IT Nursery

C, Programming

IT Nursery

What’s the difference between “mod” and “remainder”?

My friend said that there are differences between “mod” and “remainder”. If so, what are those differences in C and C++? Does ‘%’ ...

June 3, 2022
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performance, Programming

IT Nursery

What does gcc’s ffast-math actually do?

I understand gcc’s --ffast-math flag can greatly increase speed for float ops, and goes outside of IEEE standards, but I can’t seem to ...

June 2, 2022
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algorithm, Programming

IT Nursery

Algorithm to find Largest prime factor of a number

What is the best approach to calculating the largest prime factor of a number? I’m thinking the most efficient would be the following: ...

June 2, 2022
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Java, Programming

IT Nursery

How to test if a double is an integer

Is it possible to do this? double variable; variable = 5; /* the below should return true, since 5 is an int. if ...

June 2, 2022
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Programming, Python

IT Nursery

numpy max vs amax vs maximum

numpy has three different functions which seem like they can be used for the same things — except that numpy.maximum can only be ...

June 1, 2022
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algorithm, Programming

IT Nursery

What are the mathematical/computational principles behind this game?

My kids have this fun game called Spot It! The game constraints (as best I can describe) are: It is a deck of ...

June 1, 2022
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Database, Programming

IT Nursery

How does the HyperLogLog algorithm work?

I’ve been learning about different algorithms in my spare time recently, and one that I came across which appears to be very interesting ...

June 1, 2022
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math, Programming

IT Nursery

How do I calculate the normal vector of a line segment? [closed]

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. This question does not appear to be about ...

May 31, 2022
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math, Programming

IT Nursery

Why use softmax as opposed to standard normalization?

In the output layer of a neural network, it is typical to use the softmax function to approximate a probability distribution: This is ...

May 30, 2022
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javascript, Programming

IT Nursery

How can I specify the base for Math.log() in JavaScript?

I need a log function for JavaScript, but it needs to be base 10. I can’t see any listing for this, so I’m ...

May 29, 2022
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