Jiahang Li
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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.
4 years ago
Solved
Simple Vector Addition
Take two incoming vectors and output the sum of the two vectors
4 years 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] ...
4 years ago
Solved
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...
4 years ago
Solved
Area-03
There are two circles of equal size are inscribed inside a square. They are tangent to each other. <https://serving.photos.ph...
4 years 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...
4 years ago
Solved
Create tangent function out of sine function only
Please don't use cosine and tangent functions
4 years ago
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Create tangent function out of cosine only
Please don't use tangent and sine functions
4 years 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...
4 years 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 ...
4 years ago
Solved
Determinant of a 3x3 Matrix
Return the determinant of a 3x3 matrix. The built-in Matlab function det is not allowed.
4 years 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...
4 years ago
Solved
Creating a code via test suite :)
Given the test suites, create a code that would fit them :) *Clue: Pascal's Triangle
4 years 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...
4 years 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]...
4 years 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...
4 years 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
4 years ago
Solved
Product of all elements in an array
Compute the product of all elements in an array.
4 years ago
Solved
Capitalized string operations
Convert the input sentence to upper case and replace all vowels with an underscore ('_')
4 years 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...
4 years ago
Solved
Remove white spaces at the end of the input string
Remove all trailing white spaces at the end of the input strings
4 years ago
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Check for keywords
If the entered string is a MATLAB keyword, return true else false
4 years 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...
4 years ago
Solved
Return median of a matrix
Compute median of a matrix of any dimension. Exclude the NaNs if any.
4 years ago
Solved
Cofactor
Given a matrix, find the cofactor of the element in 'i'th row and 'j'th column.
4 years ago