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CXD


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Matrix Computations

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  • Cody Challenge Master
  • Cody Problems in Japanese Master
  • Matrix Manipulation II Master
  • Indexing II Master
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Solved


Don't Include a Five
Given a vector A, return vector B with all 5s replaced with 0s.

8 hours ago

Solved


Addition
Add together the values of a and b.

8 hours ago

Solved


Multiplication
Multiply a and b.

8 hours ago

Solved


Subtraction
Subtract a from b.

8 hours ago

Solved


Division
Divide a by b.

8 hours ago

Solved


Squares
Find the square of x.

8 hours ago

Solved


Find nth triangular number.
Calculate the triangular number of given integer n.

8 hours ago

Solved


Turning radius of a vehicle
The turning radius represents the radius of the circular path followed by a vehicle. Given Wheelbase L and Steering angle δ, Co...

9 hours ago

Solved


If-Elseif-Else
If a more than zero, b = true, if a = zero , b = zero, else, b = false.

9 hours ago

Solved


Double the 2x2 Matrix
In this challenge, you are given a predefined 2x2 matrix called x. Your task is to multiply every element in this matrix by 2 an...

3 days ago

Solved


Replace All Below-Average Elements in a Matrix with Zero
Given a 2D matrix of numbers, find the mean of all elements. Replace any element that is strictly below the mean with 0. Return ...

3 days ago

Solved


Triangle Area Using Heron's Formula
Given the three side lengths a, b, and c of a triangle, calculate its area using Heron's formula and round to 4 decimal places. ...

3 days ago

Solved


Reverse the characters of a string
Given a string, return the string with characters in reverse order. Example: rev_string('hello') returns 'olleh'

3 days ago

Solved


Sum the main diagonal of a matrix
Given a square matrix, return the sum of its main diagonal elements. Example: diag_sum([1 2 3; 4 5 6; 7 8 9]) returns 15

3 days ago

Solved


Determine if a number is prime
Given a positive integer n, return 1 if it is prime, 0 otherwise. Example: is_prime(7) returns 1, is_prime(4) returns 0

3 days ago

Solved


Convert Celsius temperature to Fahrenheit
Given a temperature in Celsius, return the equivalent in Fahrenheit. Formula: F = C * 9/5 + 32Example: cel2fahr(100) returns 212...

3 days ago

Solved


Get The Square Root Of Number Power (^) Three
Get the Square Root of number Power (^) Three.

3 days ago

Solved


Trapezium
Calculate the area of the Trapezium using it's bases and height.

3 days ago

Solved


Count how many elements are above the mean
Given a vector, return the count of elements strictly greater than the mean of the vector. Example: above_mean_count([1 2 3 4 5]...

3 days ago

Solved


Find The Area Of The Circle
Find the area of the Circle using PI.

3 days ago

Solved


Basic Algebra I
You should solve the problem 3X - 2 = 7 by finding the value of X. You must use this array/vector [2 3 7]. GOOD LUCK!

3 days ago

Solved


Basic Algebra II
You have the equation X^2 = n you should find the value of X. GOOD LUCK!

3 days ago

Solved


Rhombus
Get the area of the Rhombus using it's Diagonals.

3 days ago

Solved


Basic Algebra III
Get the Cube Root of the number n.

3 days ago

Solved


Basic Physics II
Get the Kinetic Energy (KE).

3 days ago

Solved


Basic Physics III
Calculate the Potential Energy (PE).

3 days ago

Solved


Basic Physics IV
Calculate the Mechanical Energy (ME).

3 days ago

Solved


Count the even numbers in a multiplication table
A multiplication table that has products of numbers from 1 to 10 has 75 even numbers among the products. Write a function to c...

3 days ago

Solved


Basic Physics V
Calculate the Work.

3 days ago

Solved


Einstein
Calculate the energy by the famous formula of Albert Einstein.

6 days ago

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