How to use the permutations function from mathjs

bot.js

GitHub: ALCC01/nodeogram

67
68
69
70
71
72
73
74
75
76
bot.command('round', 'Rounds the number to the nearest integer. Usage /round [num]', false,  (args, message) => {
    message.reply(Math.round(args[0]));
});

bot.command('permutate', 'Returns total number of objects in a permutation. Usage /permutate [num]', false,  (args, message) => {
    message.reply('permutations:' + ' ' + math.permutations(args[0]));
});

bot.command('power', 'Returns the power of a number to the other. Usage /power [num1] [num2]', false, (args, message) => {
    message.reply(Math.pow(args[0], args[1]));

2

10

3

index.js

GitHub: jly36963/notes

73
74
75
76
77
78
79
80
81
82

// probability
math.combinations(7, 5) // number of ways picking 'k' unordered outcomes from 'n' possibilities
math.combinationsWithRep(7, 5) // combinations with replacement
math.factorial(a);
math.permutations(n) // number of possible ordered combinations
math.pickRandom(numbers) // random selection from array
math.randomInt(0, 11) // random int (min <= x < max)

// linalg

0

3

0

+ 6 other calls in file

index.js

GitHub: joshberg/bitcoin-puzzle-tool

83
84
85
86
87
88
89
90
91
92
fs.readFile(`./wordfiles/${filename}.txt`, 'utf-8', (err, data) => {
    if (err) {
        console.log(err);
    } else {
        words = data.split('\r\n');
        maxHits = math.permutations(words.length,phraseLength);
        words.forEach(function(word){
            wordAttempts[word] = 0;
        });
        PrintStatus();

0

1

0