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Ragaar Ashnod


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Active since 2009

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Solved


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

8 years ago

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 ...

8 years 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...

8 years ago

Solved


How many rectangles in a grid ?
How many rectangles are there in an m × n grid ? For example, if m=1 & n=2, we have 3 rectangles.

8 years ago

Solved


Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...

9 years ago

Solved


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

9 years ago

Solved


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

9 years ago

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. Example...

9 years 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 ...

9 years 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:...

9 years 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...

9 years ago

Submitted


Excel Column Conversion
Converts a numeric input to a column name, for Excel representation.

9 years ago | 2 downloads |

Submitted


Java Class Origin
Quickly find the origin for a java class.

10 years ago | 1 download |

Answered
Linearly spaced vectors
The speed of a single call execution is on average better with the original code. However, it is [clearly] difficult to read and...

11 years ago | 0

| accepted

Question


Linearly spaced vectors
For academic interest, I wish to further improve the speed and memory performance of the included code. The function's purpose, ...

11 years ago | 4 answers | 0

4

answers

Submitted


what2.m
This is intended to replace what.m

11 years ago | 0 downloads |

Submitted


Generate random permutation order without using sort()
by Ragaar 13 Oct 2009

12 years ago | 1 download |