Community Profile

photo

Petr Posik


Last seen: ongeveer 2 jaar ago Active since 2010

Professional Interests: optimization, evolutionary algorithms, machine learning

Statistics

All
  • First Review
  • 5-Star Galaxy Level 1
  • First Submission
  • Thankful Level 1
  • Quiz Master
  • Creator
  • Solver

View badges

Content Feed

View by

Solved


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...

ongeveer 12 jaar ago

Solved


Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...

ongeveer 12 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...

ongeveer 12 jaar ago

Problem


Equidistant numbers containing certain value in an interval
Given a lower and upper bound of an interval, distance between numbers, and one particular number from that interval, create an ...

ongeveer 12 jaar ago | 3 | 87 solvers

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...

ongeveer 12 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...

ongeveer 12 jaar ago

Solved


Equidistant numbers containing certain value in an interval
Given a lower and upper bound of an interval, distance between numbers, and one particular number from that interval, create an ...

ongeveer 12 jaar ago

Solved


Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...

ongeveer 12 jaar ago

Solved


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

ongeveer 12 jaar 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 ...

ongeveer 12 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...

ongeveer 12 jaar ago

Solved


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

ongeveer 12 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 ...

ongeveer 12 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...

ongeveer 12 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:...

ongeveer 12 jaar ago

Question


Inheritance of classes inside a package
Hi, I have run into problems when using class inheritance in combination with packages. I think it is the same issue as alrea...

meer dan 12 jaar ago | 2 answers | 0

2

answers

Submitted


CounterInBase: Counting in arbitrary base
Counter in arbitrary base with a convenient interface. The counter state can be saved to disc.

ongeveer 14 jaar ago | 1 download |

Thumbnail

Submitted


savehold: Run the 'hold on' command and save its state for possible restoration
A small utility encapsulating the call to 'ishold', 'hold on' and a restortion of the hold state.

ongeveer 14 jaar ago | 2 downloads |

Submitted


space125: Almost equally spaced points in logarithmic space
Generate points ..., 1, 2, 5, 10, 20, ... often useful for log-plots when integer values needed.

ongeveer 14 jaar ago | 1 download |

Thumbnail