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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

1年以上前

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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...

1年以上前

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Given a matrix, swap the 2nd & 3rd columns
If a = [1 2 3 4; 1 2 3 4; 1 2 3 4; 1 2 3 4]; then the result is ans = 1 3 2 4 1 3 2...

1年以上前

解決済み

Check if number exists in vector
Return 1 if number a exists in vector b otherwise return 0. a = 3; b = [1,2,4]; Returns 0. a = 3; b = [1,2,3]; Returns 1.

1年以上前

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

1年以上前

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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the numbers. Otherwise return false. Example...

1年以上前

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Sum of series VII
What is the sum of the following sequence: Σ(km^k)/(k+m)! for k=1...n for different n and m?

1年以上前

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Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

1年以上前

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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

1年以上前

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Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

1年以上前

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Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

1年以上前

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Sum of series II
What is the sum of the following sequence: Σ(2k-1)^2 for k=1...n for different n?

1年以上前

解決済み

Sum of series I
What is the sum of the following sequence: Σ(2k-1) for k=1...n for different n?

1年以上前

解決済み

Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

1年以上前

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

1年以上前

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Given a square and a circle, please decide whether the square covers more area.
You know the side of a square and the diameter of a circle, please decide whether the square covers more area.

1年以上前

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

1年以上前

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

1年以上前

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

1年以上前

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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...

1年以上前

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Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...

1年以上前

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Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

1年以上前

解決済み

Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as y = A.ⅇ^(-λt)*cos(2πft) where A, λ, and f are scalars and t is a vector. ...

1年以上前

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Find the Best Hotels
Given three input variables: hotels - a list of hotel names ratings - their ratings in a city cutoff - the rating at which yo...

1年以上前

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Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

1年以上前

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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 to use d...

1年以上前

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Inner product of two vectors
Find the inner product of two vectors.

1年以上前

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Create a vector
Create a vector from 0 to n by intervals of 2.

1年以上前

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Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

1年以上前

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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 ...

1年以上前