discrete-mathematics

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Hash tables in graph theory

I am reading an article on Hash tables. Here is the text snippet. A hash table is useful for any graph theory problem where the nodes[详细]

2023-04-04 21:54 分类：问答
De Bruijn-like sequence for `2^n - 1`: how is it constructed?

I\'m looking at the entry Find the log base 2 of an N-bit integer in O(lg(N)) operations with multiply and lookup from Bit Twiddling hacks.[详细]

2023-04-04 08:26 分类：问答
Generating Random Permutation Uniformly in Java

Anyone know of a fast/the fastest way to generate a random permutation of a list of integers in Java. For example if I want a random permutation of length five an answer would be 1 5 4 2 3, where each[详细]

2023-03-26 12:16 分类：问答
Metrics for hierarchical graphs connectivity

this is my first question on Stack Overflow. This is not really a programming question but since most of us have to deal with theoretical problems at some point and there might be some graph theory sp[详细]

2023-03-21 20:39 分类：问答
Expanding Programming Capabilities with Better Math

I have come to the realization that sooner or later I\'m going to wa开发者_JAVA技巧nt to build more complex applications that will make better decisions rather just simple if/else statements.[详细]

2023-03-19 09:30 分类：问答
Implementing probability distribution function in Java

I\'m trying to implement a probability distribution function in java where it returns the ith entry in the array with probability:[详细]

2023-03-17 07:41 分类：问答
What are some techniques I could use to help gain a better understanding of how the concepts in discrete math are used in programming?

I am trying to gain a better understanding of ho开发者_Python百科w discrete math concepts (e.g. set theory) are used in programming.[详细]

2023-03-06 15:08 分类：问答
Cooley Tukey twiddle factor in a simple python script

I\'m reading how the cooley tukey method works, but I have a few problems with the following python script:[详细]

2023-03-05 21:30 分类：问答
Is there a way to constrain a sum of Integers in a set to (0,1) without finding the maximum integer in the set?

I have a set of n, numbers {N_1, N_2.....N_n} Basically I want to do something to the sum of all N_k that keeps the result of the sum normalized/bounded between (0,1) 开发者_如何学运维( (like divide[详细]

2023-02-28 00:18 分类：问答
What is the total number of unique values for a double in the range [0.0, 1.0)?

Random.NextDouble() (a Double from the range [0.0,1.0)) is sometimes multiplied with a large Int64 (let Int64 big = 9000000000L), and the result floored to obtain a random Int64 value larger than what[详细]

2023-02-17 10:03 分类：问答