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Jiahang Li


Last seen: 14 dagar ago Active since 2018

Information and computing science student in China. I started playing Cody on 27th February 2018. MATLAB is my favorite tool in learning.

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Solved


vectors counting by 5
Create a vector with numbers from x_min to x_max in increments of 5.

mer än ett år ago

Solved


Simple Vector Addition
Take two incoming vectors and output the sum of the two vectors

mer än ett år ago

Solved


Matrix multiplication
Multiply two incoming matrices via matrix multiplication

mer än ett år ago

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Find 0 in array
Given array find where there 0 is.

mer än ett år ago

Solved


ZigZag - 01
Given a matrix, return the elements that are on the Z form of the matrix. For example - a=[1,2,3; 4,5,6; 7,8,9] ...

mer än ett år ago

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Determina el número de cifras de un número
Crea una función que te devuelva el número de cifras de un número. Algunos ejemplos para ayudarte serían: El número 125 tie...

mer än ett år ago

Solved


Anagram
Given two strings, check whether they're anagrams to each other or not.

mer än ett år ago

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Area-03
There are two circles of equal size are inscribed inside a square. They are tangent to each other. <https://serving.photos.ph...

nästan 2 år ago

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Basic matrix operations using standard MATLAB commands
Create the matrix: 1.0e+15 * 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000...

nästan 2 år ago

Solved


Create tangent function out of sine function only
Please don't use cosine and tangent functions

nästan 2 år ago

Solved


Create tangent function out of cosine only
Please don't use tangent and sine functions

nästan 2 år ago

Solved


Get all prime factors
List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...

nästan 2 år ago

Solved


Count me in
Count the number of occurrences of the second input in the first input Ex. x1 = 12344455511; x2 =2; output = 1 ...

nästan 2 år ago

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Determinant of a 3x3 Matrix
Return the determinant of a 3x3 matrix. The built-in Matlab function det is not allowed.

nästan 2 år ago

Solved


New Matrix with vector addition on diagonal
consider 2 vectors x=[1 2 3] y=[4 5 6] then generate a new Matrix, where Addition of x & y will be diagonal Elements...

nästan 2 år ago

Solved


Creating a code via test suite :)
Given the test suites, create a code that would fit them :) *Clue: Pascal's Triangle

nästan 2 år ago

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Primes Checker
Given variable inputs Check if they are prime numbers

nästan 2 år ago

Solved


Upper Matrix Mock
Given a vector v=[1 3 6 9 11], turn it into a matrix 'ramp' like so: m=[1 3 6 9 11; 0 1 3 6 9; 0 0 1 3 6; 0 0 0 1...

nästan 2 år ago

Solved


Integrate Me
Given polynomial, output the integral (with k = 1 for simplicity purposes) Example: input = [2 1] % 2x+1 output = [1 1 1]...

nästan 2 år ago

Solved


ASCII sum of phrases
Find the sum of the numeric equivalents of all characters entered in a phrase. For example: for the phrase 'My name is test', th...

nästan 2 år ago

Solved


Raise each element to the power of its index in a matrix
In a matrix, A = [1,2;3,4] raise the power of each element like: 1^1+2^3+3^2+4^4 and add it all to produce the result 274

nästan 2 år ago

Solved


Product of all elements in an array
Compute the product of all elements in an array.

nästan 2 år ago

Solved


Capitalized string operations
Convert the input sentence to upper case and replace all vowels with an underscore ('_')

nästan 2 år ago

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generate capital english alphabets
Based on the numeric input 'n', generate the capital english alphabet starting from A till the english alphabet at the 'n'th pos...

nästan 2 år ago

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Remove white spaces at the end of the input string
Remove all trailing white spaces at the end of the input strings

nästan 2 år ago

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Check for keywords
If the entered string is a MATLAB keyword, return true else false

nästan 2 år ago

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Repetition of matrices
*A is a bold matrix: [1 2 3; 4 5 6;7 8 9]* Given an integer 'n' , a matrix B exists such that has n copies of A in the row an...

nästan 2 år ago

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Find NaNs in the matrix
Return 1s wherever there is a NaN in the input matrix

nästan 2 år ago

Solved


Return median of a matrix
Compute median of a matrix of any dimension. Exclude the NaNs if any.

nästan 2 år ago

Solved


Cofactor
Given a matrix, find the cofactor of the element in 'i'th row and 'j'th column.

nästan 2 år ago

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