Community Profile

photo

zhenyi dai


44 2019 年以降の合計貢献数

zhenyi dai's バッジ

  • CUP Challenge Master
  • Community Group Solver
  • Solver

詳細を表示...

貢献した分野
表示方法

解決済み


Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

約1ヶ月 前

解決済み


inner product of two vectors
inner product of two vectors

約2ヶ月 前

解決済み


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

約2ヶ月 前

解決済み


Roll the Dice!
*Description* Return two random integers between 1 and 6, inclusive, to simulate rolling 2 dice. *Example* [x1,x2] =...

約2ヶ月 前

解決済み


Make a random, non-repeating vector.
This is a basic MATLAB operation. It is for instructional purposes. --- If you want to get a random permutation of integer...

約2ヶ月 前

解決済み


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

約2ヶ月 前

解決済み


Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

約2ヶ月 前

解決済み


Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

約2ヶ月 前

解決済み


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

約2ヶ月 前

解決済み


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

約2ヶ月 前

解決済み


Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

約2ヶ月 前

解決済み


Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

約2ヶ月 前

解決済み


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

約2ヶ月 前

解決済み


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

約2ヶ月 前

解決済み


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 ...

約2ヶ月 前

解決済み


Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

約2ヶ月 前

解決済み


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

約2ヶ月 前

解決済み


Create a vector
Create a vector from 0 to n by intervals of 2.

約2ヶ月 前

解決済み


Find max
Find the maximum value of a given vector or matrix.

約2ヶ月 前

解決済み


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

約2ヶ月 前

解決済み


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

約2ヶ月 前

解決済み


Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

約2ヶ月 前

解決済み


Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

約2ヶ月 前

解決済み


Length of a short side
Calculate the length of the short side, a, of a right-angled triangle with hypotenuse of length c, and other short side of lengt...

約2ヶ月 前

解決済み


Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

約2ヶ月 前

解決済み


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

約2ヶ月 前

解決済み


Number of 1s in a binary string
Find the number of 1s in the given binary string. Example. If the input string is '1100101', the output is 4. If the input stri...

約2ヶ月 前

解決済み


Getting the indices from a vector
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to <http://www.mathworks....

約2ヶ月 前

解決済み


Return area of square
Side of square=input=a Area=output=b

約2ヶ月 前

解決済み


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

2ヶ月 前

Load more