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Artificial Intelligence (AI) Mastering Development

Do I need a large pool of training data to train a bot to play the ‘pegging’ game in the cribbage card game

The game of cribbage https://en.wikipedia.org/wiki/Cribbage is a card game with a number of different elements. The game is a two player card game where the goal is to reach 121 points to win. The game’s elements are: pegging. Here the dealer expects to peg on average around 4 points (he plays second, so has an […]

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Mastering Development

How do you add up certain values in hashtable based off of user input?

I am trying to make a gematria calculator in Java and to try to get the same results I am getting with python. How would I get so in java it could print the sum of the values from what the user inputs and get the same ultimate result as I would in python? Please […]

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Mastering Development

How to iterate through 2 lists like this? [closed]

How do I do it in Python? Input: num = [1, 2, 3] alpha = [a, b, c] Output: [1, a] [1, a, b] [1, a, b, c] [1, b, c] [1, c] [1, 2, a] [1, 2, a, b] … [1, 2, c] … … [3, a] [3, a, b] … [3, c] Constraints: […]

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Mastering Development

Merge 2 JSON arrays (Zip effect)

I am no master of the array! I am trying to merge 2 JSON arrays that are related to each other. Essentially Values A and E exist in 1 array while their index (0,1,2 etc) exist in the other. These are examples of my 2 JSONS… JSON1: "d": [{"A": 0,"B": "foo1","C": "bar1","D": "real1","E": 0}, {"A": […]

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Mastering Development

VueJS: filter select lists

I have a VueJS application. I have two lists: A, B A contains all elements B contains some elements from A I have <select> tags. Each select tag must hold the value of a B element, and should have the option to select other values of A which are not contained in B. Question: how […]

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Mastering Development

What causes the shape error in numpy.dot when a vector is multiplied with a matrix?

a= [1, 2, 3, 2.5] b= [[0.2, 0.8, -0.5, 1.0], [0.5, -0.91, 0.26, -0.5], [-0.26, -0.27, 0.17, 0.87]] print(np.dot(b,a)) print(np.dot(a,b)) Why does the first line print but the second line cause a shape alignment error? “ValueError: shapes (4,) and (3,4) not aligned: 4 (dim 0) != 3 (dim 0)” What calculation is numpy trying to […]

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Mastering Development

Count values in list of dicts in python

I have a list of dicts, like this: x = [{‘a’: 3}, {‘b’: 1}, {None: 0}, {‘a’: 1}, {‘b’: 1}, {None: 0}] and I would like to have a something like this x = [{‘a’: 4}, {‘b’: 2}, {None: 0}] What is the most memory-friendly way to reach that?

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Ask Mathematics

Complex number proof involving angles

I need to show that (3 + i)^3 = 18 + 26i and use this to show that the angle AOC = 3AOB, where O, A, B, C are points in the plane given by O = (0, 0), A = (1, 0), B = (3, 1) and C = (18, 26). This is what […]

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Development

How do I get the unique set of values for a combination of dictionary keys?

I’m using Python 3.7. I have a list of dictionaries, e.g. my_dict = [{“a”: 1, “b”: 5, “c”: 6}, {“a”: 1, “b”: 5, “c”: 2}, {“a”: 2, “b”: 1, “c”: 6}] If I want to get the unique set of values for a single key, e.g. “a”, I can do set(d[‘a’] for d in my_dict) […]

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Development

How do I get the unique set of values for a combination of dictionary keys?

I’m using Python 3.7. I have a list of dictionaries, e.g. my_dict = [{“a”: 1, “b”: 5, “c”: 6}, {“a”: 1, “b”: 5, “c”: 2}, {“a”: 2, “b”: 1, “c”: 6}] If I want to get the unique set of values for a single key, e.g. “a”, I can do set(d[‘a’] for d in my_dict) […]