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alexander


Carleton university

23 total contributions since 2011

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Prime numbers
Prime number search

ongeveer 2 jaar ago | 0 downloads |

Solved


Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...

ongeveer 2 jaar ago

Solved


Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

meer dan 2 jaar ago

Solved


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

meer dan 2 jaar ago

Solved


Triangle Numbers
Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

meer dan 2 jaar ago

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

meer dan 2 jaar ago

Solved


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

meer dan 2 jaar 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. ...

meer dan 2 jaar ago

Solved


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...

meer dan 2 jaar ago

Solved


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...

meer dan 2 jaar ago

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

meer dan 2 jaar ago

Solved


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

meer dan 2 jaar ago

Solved


Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

meer dan 2 jaar ago

Solved


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

meer dan 2 jaar ago

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Add two numbers
Given a and b, return the sum a+b in c.

meer dan 2 jaar ago

Solved


Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

meer dan 2 jaar ago

Question


Referencing specific dimensions of an array
Hello, I have a rectangular matrix and I am trying to determine if values in each row are equal. I built a function that wil...

meer dan 4 jaar ago | 1 answer | 0

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answer

Question


Appending to text files
Hello, this is a fairly simple problem and i have come up with a simple enough solution. I need to append alot of text files to ...

meer dan 7 jaar ago | 1 answer | 0

1

answer

Solved


Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

meer dan 7 jaar ago

Solved


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

meer dan 7 jaar ago

Question


UNIX bash shell in an m file?
Hello, I need to invoke a bash file from matlab which is easy enough to do. However i would like instead to write the bash co...

meer dan 7 jaar ago | 2 answers | 0

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answers

Question


Downloading weather files from a server
Hello I am working on a project where i need to periodically download weather forecasts from a server. I have been experiment...

meer dan 7 jaar ago | 1 answer | 0

1

answer

Question


Matching a data set
Hello I am working to modify weather data. I have sparse weather forecast data that is inadequate for energy simulation purpo...

meer dan 7 jaar ago | 1 answer | 0

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answer