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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'.

10 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 ...

10 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...

10 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.

10 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...

11 years ago

Solved


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

11 years ago

Solved


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

11 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...

11 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 ...

11 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:...

11 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...

11 years ago

Submitted


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

12 years ago | 2 downloads |

Submitted


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

12 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...

13 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, ...

13 years ago | 4 answers | 0

4

answers

Submitted


what2.m
This is intended to replace what.m

13 years ago | 0 downloads |

Submitted


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

14 years ago | 1 download |