math | PHP 5.3 mathematics | Math library
kandi X-RAY | math Summary
kandi X-RAY | math Summary
Moontoast\Math is useful for working with integers that are larger than (or may become larger than, through mathematical computations) PHP's max integer value for a given system. On 64-bit systems, this number is 9223372036854775807. On 32-bit systems, it is 2147483647. When overflowing this boundary, PHP turns the number into a float, reducing precision (see the PHP manual entry for Integers). Moontoast\Math provides an easy-to-use wrapper around the bcmath extension, allowing one to perform mathematical calculations on numeric strings, going well outside the integer range of the system and maintaining arbitrary precision for more precise calculations. See the docs/ directory for generated API documentation. Moontoast\Math requires PHP 5.3+ and the bcmath extension.
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Lines of Code : 7
License : No License
Copyconst lcm = (...arr) => {
const gcd = (x, y) => (!y ? x : gcd(y, x % y));
const _lcm = (x, y) => (x * y) / gcd(x, y);
return [...arr].reduce((a, b) => _lcm(a, b));
};
lcm(12, 7); // 84
lcm(...[1, 3, 4, 5]); // 60
const gcd = (...arr) => {
const _gcd = (x, y) => (!y ? x : gcd(y, x % y));
return [...arr].reduce((a, b) => _gcd(a, b));
};
gcd(8, 36); // 4
gcd(...[12, 8, 32]); // 4
const isNumber = val => typeof val === 'number' && val === val;
isNumber(1); // true
isNumber('1'); // false
isNumber(NaN); // false
Community Discussions
Trending Discussions on math
QUESTION
I am looking to find a pair of numbers with a GCD (Greatest Common Denominator) of 1, that the first N terms of the sequence X0, X1, ... XN are all composite.
For my code, for some reason, it gets stuck when i == 15, j == 878, and k == 78. It gets stuck when running is_prime() on the two last items in the list.
...ANSWER
Answered 2021-Jun-15 at 22:27The problem is that your is_prime function is to slow, instead of checking if every number is a prime inside of your for loop. Why not generate a list of primes, lets say the first 1 million, store them in a list. Then too check if your number is prime, just check if it is inside of the list.
QUESTION
I'm trying to create an app that meets two random users in Django. my question is how to create an object Meeting out of 2 random users from my User model, I want something like a for loop so that every 2 users in my database have a meeting!
ps: I have only one day left to submit my work I will be so thankful if u help me
this is my code so far:
...ANSWER
Answered 2021-Jun-15 at 21:48I can't decipher what you're doing there, but:
QUESTION
I saw some solutions that accessed the THREE.BoxGeometry faces like that:
...ANSWER
Answered 2021-Jun-15 at 17:54Try it like so:
QUESTION
Im having a problem on how to stop the countdown that i made in javascript. Can you please help me. here is my code:
...ANSWER
Answered 2021-Jun-15 at 17:31Check if the gap between the two dates is smaller or equal to 0. If so, you can stop the interval with clearInterval():
QUESTION
I am trying to send otp and then validate otp for login. I am able to send otp but it is not validating for some reason.
the code for sending otp is below and it is working fine-
...ANSWER
Answered 2021-Jun-15 at 16:41I don't see where old.otp is being set in the SendOTP class, that's probably why it's None. Should be something like this:
QUESTION
I'm trying to change the following code so I get this output for radius 2:
...ANSWER
Answered 2021-Mar-21 at 01:38The output looks oval because characters have not same width and height. Think of an image that its pixels are not square, but vertical rectangles. I borrowed the c# version of the code linked by @Prasanth Rajendran, and made some modifications:
- added
lineWidthargument - added
xScaleargument, now every1/xScalecharacters in a row are equivalent to1data points - moved character position to its center, by adding a [0.5, 0.5] offset
QUESTION
I am trying to get the Coriolis matrix for my robot (need the matrix explicitly for the controller) based on the following approach which I have found online:
...ANSWER
Answered 2021-Jun-15 at 14:00You are close. You need to tell the autodiff pipeline what you want to take the derivative with respect to. In this case, I believe you want
QUESTION
So basically I am getting two string inputs in the form of coordinates as (x,y) and then I am adding the numbers from the inputted string (which are p1 and p2) to different variables and then adding those variables (which are x1,x2,y1,y2). So is there a way to add the variables together i.e perform arithmetic on the variables, (not concatenate)
...ANSWER
Answered 2021-Jun-15 at 13:14You can do this with std::stoi(). Add a line to put these strings into int variables and do your arithmetic:
int x = stoi(x1);
QUESTION
This is my code: HTML:
...ANSWER
Answered 2021-Jun-15 at 13:12PS : You are using the roundSlider plugin and not uiSlider.
So, in accordance with the doc, you can modify your element by assigning it an id ("slider" in your example).
QUESTION
I have a comment section on my website and each message have its created_at date time. After fetching it from the MariaDB database, I get a string like "2021-06-15T12:45:28.000Z" (ISO 8601). Then, I convert it to a "x minutes ago" text instead of the full date.
But then, I'm having some trouble when the date is parsed.
...ANSWER
Answered 2021-Jun-15 at 12:33Try adding or subtracting the timezoneOffset of the local computer from the UTC you get when you pass Z
I fixed your plural too
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