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Jiahang Li


Last seen: 10 maanden 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.

bijna 4 jaar ago

Solved


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

bijna 4 jaar ago

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Matrix multiplication
Multiply two incoming matrices via matrix multiplication

bijna 4 jaar ago

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

bijna 4 jaar 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] ...

bijna 4 jaar 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...

bijna 4 jaar ago

Solved


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

bijna 4 jaar 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...

ongeveer 4 jaar 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...

ongeveer 4 jaar ago

Solved


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

ongeveer 4 jaar ago

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

ongeveer 4 jaar 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...

ongeveer 4 jaar ago

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

ongeveer 4 jaar ago

Solved


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

ongeveer 4 jaar 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...

ongeveer 4 jaar ago

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

ongeveer 4 jaar ago

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Primes Checker
Given variable inputs Check if they are prime numbers

ongeveer 4 jaar 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...

ongeveer 4 jaar 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]...

ongeveer 4 jaar 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...

ongeveer 4 jaar 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

ongeveer 4 jaar ago

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

ongeveer 4 jaar ago

Solved


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

ongeveer 4 jaar 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...

ongeveer 4 jaar 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

ongeveer 4 jaar ago

Solved


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

ongeveer 4 jaar ago

Solved


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...

ongeveer 4 jaar ago

Solved


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

ongeveer 4 jaar ago

Solved


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

ongeveer 4 jaar ago

Solved


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

ongeveer 4 jaar ago

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