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Petr Posik


Last seen: plus de 2 ans il y a |  Actif depuis 2010

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Professional Interests: optimization, evolutionary algorithms, machine learning

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A résolu


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...

environ 12 ans il y a

A résolu


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...

environ 12 ans il y a

A résolu


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...

environ 12 ans il y a

Problème


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 ...

environ 12 ans il y a | 3 | 87 solveurs

A résolu


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...

environ 12 ans il y a

A résolu


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...

environ 12 ans il y a

A résolu


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 ...

environ 12 ans il y a

A résolu


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 ...

environ 12 ans il y a

A résolu


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

environ 12 ans il y a

A résolu


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 ...

environ 12 ans il y a

A résolu


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...

environ 12 ans il y a

A résolu


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

environ 12 ans il y a

A résolu


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 ...

environ 12 ans il y a

A résolu


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...

environ 12 ans il y a

A résolu


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:...

environ 12 ans il y a

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...

presque 13 ans il y a | 2 réponses | 0

2

réponses

A soumis


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

environ 14 ans il y a | 1 téléchargement |

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A soumis


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.

environ 14 ans il y a | 2 téléchargements |

A soumis


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

environ 14 ans il y a | 1 téléchargement |

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