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RaB


Last seen: 6 months 前 |  自 2021 起处于活动状态

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已解决


Determine if a Given Number is a Triangle Number
*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

3 years 前

已解决


Find the 9's Complement
Find the 9's complement of the given number. An example of how this works is <http://electrical4u.com/9s-complement-and-10s-c...

3 years 前

已解决


Basics: 'Find the eigenvalues of given matrix
Find the eigenvalues y for a given matrix x.

3 years 前

已解决


Specific Element Count
Given a vector _v_ and a element _e_, return the number of occurrences of _e_ in _v_. Note: NaNs are equal and there may be n...

3 years 前

已解决


Evaluating a polynomial
Given the following polynomial and the value for x, determine y. y = 3x^5 – x^3 + 8x – 3 Example x = 1 y = 3 - 1 +...

3 years 前

已解决


Celsius to Fahrenheit converter
Convert Celsius to Fahrenheit degrees.

3 years 前

已解决


Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

3 years 前

已解决


Compute Fibonacci Number
Compute the _n_-th Fibonacci Number f(0) = 0, f(1) = 1, f(2) = 1, f(3) = 2, ... f(42) = 267914296

3 years 前

已解决


Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

3 years 前

已解决


Mersenne Primes vs. All Primes
A Mersenne prime (M) is a prime number of the form M = 2^p - 1, where p is another prime number. <https://www.mathworks.com/matl...

3 years 前

已解决


Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

3 years 前

已解决


Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

3 years 前

已解决


Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

3 years 前

已解决


Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

3 years 前

已解决


Count ones
Write a program to count number of ones (1s) in an integer variable input. For example: Input x=2200112231 output y=3 I...

3 years 前

已解决


Find the jerk
No, it's not the author of this problem... Jerk is the rate of change in acceleration over time of an object. So, if given t...

3 years 前

已解决


Finding sum of even numbers in a vector.
Find the sum of all the even numbers present in the input vector x. Examples: Input x = [1 2 3 4] Output y is 6 Input...

3 years 前

已解决


kmph to mps
convert kilometer per hour to meter per second

3 years 前

已解决


Matrix Ax=B problem
Take a incoming A and B vector, and solve for x

3 years 前

已解决


Find Logic 8

3 years 前

已解决


Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

3 years 前

已解决


Approximation of Pi
Pi (divided by 4) can be approximated by the following infinite series: pi/4 = 1 - 1/3 + 1/5 - 1/7 + ... For a given numbe...

3 years 前

已解决


Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

3 years 前

已解决


Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

3 years 前

已解决


Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

3 years 前

已解决


Find Logic 18

3 years 前

已解决


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

3 years 前