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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...

約5年前

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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...

約5年前

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Back to basics 11 - Max Integer
Covering some basic topics I haven't seen elsewhere on Cody. Return the largest positive integer MATLAB can handle.

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Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...

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Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...

約5年前

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Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

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Get the length of a given vector
Given a vector x, the output y should equal the length of x.

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Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

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square root
Find the square root (y) of an input (x).

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Volume and area of a sphere
Input(r) - radius Output([v,s]) - volume and area

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given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

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Rotate a Matrix by 90 degrees
Rotate a Matrix by 90 degrees Example: If the input is: X = 1 2 3 4 5 6 7 8 9 ...

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Tell me the slope
Tell me the slope, given a vector with horizontal run first and vertical rise next. Example input: x = [10 2];

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Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

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Matrix multiplication
Multiply two incoming matrices via matrix multiplication

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

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Square root of a number
Write a code that will output the square root of x.

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Variable_Addition
be able to add any variable to the number one

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find the maximum element of the matrix
for e.g x = [1 2; 3 4] y = 4

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Speed of car
Calculate the Speed of car given its Distance travelled and time taken in x and y respectively

約5年前

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Sum of the Matrix Elements
Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

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Is my wife right?
Regardless of input, output the string 'yes'.

約5年前

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multiply by three
Given the variable x as your input, multiply it by 3 and put the result equal to y. Examples: Input x = 2 Output y is ...

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

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Add two numbers
Calculate the sum of two numbers. Example input = [2 3] output = 5

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Area of a circle
Find the value for area of the circle if diameter is given

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Given area find sides
In a right angle triangle given area 'A' one arm=x, another arm=2x then find the value of x. For example, area A=400 then ...

約5年前

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Project Euler: Problem 6, Natural numbers, squares and sums.
The sum of the squares of the first ten natural numbers is, 1^2 + 2^2 + ... + 10^2 = 385 The square of the sum of the first ...

約5年前

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Divide by 4
Given the variable x as your input, divide it by four and put the result in y.

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

約5年前