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Derrick Halula


Last seen: bijna 3 jaar ago |  Active since 2021

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Bottles of beer
Given an input number representing the number of bottles of beer on the wall, output how many are left if you take one down and ...

bijna 3 jaar ago

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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...

bijna 3 jaar ago

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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...

bijna 3 jaar ago

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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...

bijna 3 jaar ago

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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...

bijna 3 jaar ago

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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...

bijna 3 jaar ago

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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. <<https://imgur...

bijna 3 jaar ago

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radius of a spherical planet
You just measured its surface area, that is the input.

bijna 3 jaar ago

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Calculate area of sector
A=function(r,seta) r is radius of sector, seta is angle of sector, and A is its area. Area of sector A is defined as 0.5*(r^2...

bijna 3 jaar ago

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Perimeter of a semicircle
Given the diameter d, find the perimeter of a semicircle

bijna 3 jaar ago

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Convert radians to degrees
Given input in radians, output to degrees

bijna 3 jaar ago

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Volume Pillar
Calculate the volume of a pillar with radius l and heigth ar.

bijna 3 jaar ago

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Double all elements in the array
Duplicate all elements in the array

bijna 3 jaar ago

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Back to basics 22 - Rotate a matrix
Covering some basic topics I haven't seen elsewhere on Cody. Rotate the input matrix 90 degrees counterclockwise (e.g. [1 2; ...

bijna 3 jaar ago

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Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

bijna 3 jaar ago

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<https://i.imgur.com/jlZDHhq.png>> ...

bijna 3 jaar ago

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

bijna 3 jaar ago

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to the 2 all elements
to the 2 all elements

bijna 3 jaar ago

Solved


Rotate Matrix @180 degree
Rotate Matrix @180 degree Example A=[8 1 6; 3 5 7; 4 9 2], then answer would be [2 9 4;...

bijna 3 jaar ago

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Converts numbers into characters
Converts numbers into characters

bijna 3 jaar ago

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Find the max element of the array
Find the max element of the array

bijna 3 jaar ago

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Square root
Given x (a matrix), give back another matrix, where all the elements are the square roots of x's elements.

bijna 3 jaar ago

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Calculate the average value of the elements in the array
Calculate the average value of the elements in the array

bijna 3 jaar ago

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the average value of the elements
Calculate the average value of the elements in the array

bijna 3 jaar ago

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calculate the length of matrix
input 1 array, calculate the length

bijna 3 jaar ago

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Check that number is whole number
Check that number is whole number Say x=15, then answer is 1. x=15.2 , then answer is 0. <http://en.wikipedia.org/wiki/Whole...

bijna 3 jaar ago

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Make roundn function
Make roundn function using round. x=0.55555 y=function(x,1) y=1 y=function(x,2) y=0.6 y=function(x,3) ...

bijna 3 jaar ago

Solved


Matlab Basics - Rounding III
Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

bijna 3 jaar ago

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Rounding off numbers to n decimals
Inspired by a mistake in one of the problems I created, I created this problem where you have to round off a floating point numb...

bijna 3 jaar ago

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Matlab Basics - Rounding II
Write a script to round a variable x to 3 decimal places: e.g. x = 2.3456 --> y = 2.346

bijna 3 jaar ago

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