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# Alexander

##### Last seen: 4 months ago
18 total contributions since 2015

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Submitted

Sparse Grid Interpolation
Employs Smolyak styled grids for sparse interpolation which helps with the curse of dimensionality.

3 years ago | 2 downloads |

Submitted

KernelCondDensity
Multidimensional kernel density estimation with optimal and asymptotically optimal bandwidth choices

4 years ago | 1 download |

Submitted

piecewise cubic spline interpolation
Obtains a piecewise cubic spline from a function, and a function to obtain derivatives is included.

4 years ago | 3 downloads |

Submitted

Nonlinear Threshold Tests
Implements a Wald-like test for a nonlinear threshold model.

4 years ago | 1 download |

Submitted

Levenberg-Marquardt toolbox
Levenberg-Marquardt algorithm with Broyden updates, box constraints and argument passing.

5 years ago | 31 downloads |

Submitted

Monte-Carlo integration
MC integration of n-dimensional integral with stratified and antithetic sampling

5 years ago | 9 downloads |

Submitted

Contractions - algorithm and example for nested fixed points
Contractions applies the iterative scheme to a fixed-point problem. Plus, there are some examples.

5 years ago | 4 downloads |

Submitted

Jacobian toolbox
Includes three routines that yield Jacobian estimates.

5 years ago | 13 downloads |

Submitted

This function integrates over 2 dimensional domain with possibly infinite bounds.

5 years ago | 3 downloads |

Solved

How to find the position of an element in a vector without using the find function
Write a function posX=findPosition(x,y) where x is a vector and y is the number that you are searching for. Examples: fin...

5 years ago

Solved

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

5 years ago

Solved

Sum all integers from 1 to 2^n
Given the number x, y must be the summation of all integers from 1 to 2^x. For instance if x=2 then y must be 1+2+3+4=10.

5 years ago

Solved

Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

5 years ago

Solved

Reverse the vector
Reverse the vector elements. Example: Input x = [1,2,3,4,5,6,7,8,9] Output y = [9,8,7,6,5,4,3,2,1]

5 years 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...

5 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...

5 years ago

Solved