Community Profile

photo

Tim


Last seen: Today
1,373 2012 年以降の合計貢献数

連絡する

Tim's バッジ

すべて表示

貢献した分野
表示方法

解決済み


Calculate triangle area
Imagine that you want to calculate the areas of some triangles given in matrix form. First the coordinates of the vertices of th...

約11時間 前

解決済み


Find the centroid of triangle
Imagine that you want to calculate the *centroid* of some _triangles_ given in matrix form. First the coordinates of the vertice...

1日 前

解決済み


Fangs of pseudo-vampire number
given a number, find all the fangs of that number. A pseudo-vampire number can have multiple of fangs. The output should be a...

1日 前

解決済み


Pseudo-vampire number
refer to <https://en.wikipedia.org/wiki/Vampire_number> Given a number x, determine whether it is a pseudo-vampire number. ...

1日 前

解決済み


Zero
given an integer a, find the smallest possible integer b(b>0) such that their bitwise logical AND is zero. * if a=11(1011) t...

6日 前

解決済み


Projector Matrix
Write a function to determine whether or not the matrix is a projector. Projector matrices are defined as P^2 = P.

13日 前

解決済み


Nilpotent matrix
Check if matrix A is <http://mathworks.com/ nilpotent>.

13日 前

解決済み


Outer product of multiple vectors
In tensor algebra, it is often useful to define a tensor as a product of lower order tensors. Similarly, a multidimensional arra...

13日 前

解決済み


Combined Ages 4 - Non-symmetric with multiples, n ≥ 3
This problem is slightly more difficult than <http://www.mathworks.com/matlabcentral/cody/problems/42383-combined-ages-3-non-sym...

13日 前

解決済み


Alternate list of elements
Write a function that combines two lists by alternating the elements, e.g. ['a','b','c'], ['1','2','3'] → 'a1b2c3'.

14日 前

解決済み


Frugal number
check whether n is a frugal number * a frugal number is a natural number in a given number base that has more digits than the...

14日 前

解決済み


Last non-zero digit
Given a number n, find the last non-zero digit of the factorial of that number. You need to take care of the large values of n....

15日 前

解決済み


Restricted Addition v2
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45252 Restricted Addition v1> with more restrictions. ...

15日 前

解決済み


Find the sequence
Find the nth number of a sequence. Check the test suite to determine the sequence. * hint: it is closely related to familiar ...

15日 前

解決済み


Pell numbers
Find the nth pell number <https://en.wikipedia.org/wiki/Pell_number>

15日 前

解決済み


Restricted Addition
Add two numbers without use of common arithmetic operations. Unfortunately, in order to enforce this restriction, other restrict...

16日 前

解決済み


Tribonacci Sequence
Generate the tribonacci sequence upto n

16日 前

解決済み


String count
given a string 'str', count the number of the followings - * letters * digits * white space * capital letters * smal...

23日 前

解決済み


Tell your secret
A secret can be told only to 2 persons in 5 minutes. Now these 2 more persons can spread the secret to 4 other people. this way ...

23日 前

解決済み


Aquiles y la tortuga
Contaba Zenón en su famosa paradoja que un día Aquiles, el guerrero griego más veloz de la Hélade, se enfrentó a una pequeña tor...

24日 前

解決済み


Count digits
Count total number of digits from 1 to n. * n=13 * output=17 since from [1-9] total 9 digits.[10-13] total 4*2=8 digits.

26日 前

解決済み


Linear system of equations
Solve the system of equations in three variables.

30日 前

解決済み


String to Binary Representation
Given a string, convert it using UTF-8 into a binary array where each character or byte is arraigned low to high. For example: ...

約1ヶ月 前

解決済み


Binary Array to Hex Representation
Given a binary array of bytes (lsb to msb), convert it into a hexadecimal representation (msb to lsb). For example: Input: [1 ...

約1ヶ月 前

解決済み


How many Christmas presents under the tree?
For many families at Christmas, each family member gives 1 present to every other family member. The main exception is that chil...

約1ヶ月 前

解決済み


Check if number is a square number
Test if integer i is a square number. Return logical true if it is.

約1ヶ月 前

解決済み


Calculate Euler's phi function
Compute the Euler's phi function of a large integer. For more information about this topic please visit: <https://en.wikiped...

約1ヶ月 前

解決済み


An Ohm's Law Calculator
*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

約1ヶ月 前

解決済み


Generate Golomb's sequence
Generate Golomb's sequence up to the given number. If n=4, then seq = [1, 2, 2, 3, 3, 4, 4, 4] If n=6, then s...

約1ヶ月 前

解決済み


generate the matrix
given 3 inputs e.g [2,3,4] -- generate a matrix like below -- [2 2 0 0 0 0 0 0 0; 2 2 0 0 0 0 0 0 0; 0 0 3 3 3 0 0 0 0; 0 0...

約1ヶ月 前

Load more