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Abbie Lund


123 total contributions since 2019

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Is A the inverse of B?
Given a matrix A and a matrix B, is A the inverse of B? >>A=[2,4;3,5]; >>B=[-2.5,2;1.5,-1]; >>isInverse...

19 Tage ago

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Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

19 Tage ago

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Calculate volume of box
Calculate the volume of box,hiven its sides

19 Tage ago

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Sum my indices
Given inputs M and N (in that order), output an MxN matrix whose entries are equal to the sum of their indices. Example input...

19 Tage ago

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So many choices
For inputs _n_ and _k_ (in that order), output the number of ways that k objects can be chosen from amongst n distinct objects. ...

19 Tage ago

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What percentage?
Calculate the output c as the percentage of a on b for given a and b.

19 Tage ago

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Matrix indexing with two vectors of indices
Given a matrix M and two index vectors a and b, return a row vector x where x(i) = M(a(i),b(i)).

19 Tage ago

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Write a code that will follow the equation y = x * (x + x) * x.
If x = 5, y = 5 * (5+5) * 5 = 250

19 Tage ago

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Matlab Basics II - Intervals
Write a function that takes an interval from a to b, and divides it into 5 parts example: a = 1, b = 2 output = 1 1.25 ...

19 Tage ago

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

19 Tage ago

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Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

19 Tage ago

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Area of a triangle
A triangle is given with base *'b'* ,vertical hight *'h'* . then find it's area.

19 Tage ago

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Element by element multiplication of two vectors
Given two input vectors, return the element-by-element product. Example A = [1 2 3] B = [7 3 1] The answer should be...

19 Tage ago

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Find the area of the four walls
If length, breadth and height of the walls are given, find the area of the four walls.

19 Tage ago

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Matlab Basics - Convert a row vector to a column vector
Write a script to convert a row (e.g. x = [1 2 3]) to a column (e.g. y = [1;2;3]), your script should be able to do this for any...

19 Tage ago

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Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.

19 Tage ago

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Number of Circles in a Number
Given a number, return the number of closed 'circles' in the base 10 numerical representation. Note: the number 4 has no circ...

19 Tage ago

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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 ...

19 Tage ago

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Matrix of almost all zeros, except for main diagonal
Write a program to input an integer n and build a n-by-n matrix with the numbers 1,2,...,n on the main diagonal and zeros elsewh...

19 Tage ago

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Array of Ones
Create a 100 X 100 array of ones.

19 Tage ago

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Count ones
Write a program to count number of ones (1s) in an integer variable input. For example: Input x=2200112231 output y=3 I...

19 Tage ago

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Mode
Find the mode of the vector Assumption: no vector is bimodal Example 1: input=[1 2 3 4 4]; output=4 Example 2: input=[7...

19 Tage ago

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surface of a spherical planet
you just discovered its circumference, that is the input.

19 Tage ago

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

19 Tage ago

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Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

19 Tage ago

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Basic arrays operations.
Apply element-by-element binary operation 'fun' to two arrays (A and B).

19 Tage ago

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Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

19 Tage ago

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

19 Tage ago

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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

19 Tage ago

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

19 Tage ago

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