Petr Posik

Last seen: quasi 5 anni fa | Attivo dal 2010

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Professional Interests: optimization, evolutionary algorithms, machine learning

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Risolto

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...

quasi 15 anni fa

Risolto

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...

quasi 15 anni fa

Risolto

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...

quasi 15 anni fa

Problema

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 ...

quasi 15 anni fa | 3 | 91 risolutori

Risolto

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...

quasi 15 anni fa

Risolto

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...

quasi 15 anni fa

Risolto

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 ...

quasi 15 anni fa

Risolto

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 ...

quasi 15 anni fa

Risolto

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

quasi 15 anni fa

Risolto

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 ...

quasi 15 anni fa

Risolto

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...

quasi 15 anni fa

Risolto

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

quasi 15 anni fa

Risolto

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 ...

quasi 15 anni fa

Risolto

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...

quasi 15 anni fa

Risolto

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:...

quasi 15 anni fa

Domanda

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...

oltre 15 anni fa | 2 risposte | 0

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risposte

Inviato

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

quasi 17 anni fa | 448 download |

0.0 / 5

Inviato

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.

quasi 17 anni fa | 518 download |

4.5 / 5

Inviato

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

quasi 17 anni fa | 749 download |

0.0 / 5