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Andrea La Spina


Columbia University

Active since 2019

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Submitted


Export figure for LaTeX documents
High-precision tool to export a figure to pdf matching the font size and the text width of a LaTeX document.

3 días ago | 7 downloads |

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Submitted


Symbolic function, gradient and divergence
Easy definition of arbitrarily sized functions and effective computation of gradient and divergence operators.

9 meses ago | 3 downloads |

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Submitted


2D Unsteady Navier-Stokes
Solution of 2D Navier-Stokes equations

9 meses ago | 17 downloads |

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Submitted


2D Steady Navier-Stokes
Solution of 2D Navier-Stokes equations

9 meses ago | 12 downloads |

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Submitted


2D Unsteady convection-diffusion-reaction problem
2D scalar equation of a convection-diffusion-reaction problem

9 meses ago | 10 downloads |

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2D Unsteady convection-diffusion problem
2D scalar equation of a convection-diffusion problem

9 meses ago | 15 downloads |

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Submitted


Unsteady convection-diffusion-reaction problem
1D scalar equation of a convection-diffusion-reaction problem with piecewise linear approximation

9 meses ago | 12 downloads |

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Submitted


Steady transport problems
1D scalar equation of convective-diffusion transport with piecewise linear approximation

9 meses ago | 2 downloads |

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Submitted


1-D wave propagation in microstructured materials
This script performs a numerical simulation of the wave propagation in microstructured materials.

9 meses ago | 1 download |

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Euler-Bernoulli VS Timoshenko beam
Construction of the stiffness and the mass matrix for the Euler-Bernoulli and the Timoshenko beam

9 meses ago | 24 downloads |

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Armstrong-Frederick cyclic hardening plasticity
This is an easy and interactive example of Armstrong-Frederick cyclic hardening plasticity model

9 meses ago | 9 downloads |

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Newton-Raphson method
Easy application of Newton-Raphson algorithm

9 meses ago | 6 downloads |

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SDOF subjected to a seismic input
This is the study of a SDOF subjected to a seismic input

9 meses ago | 8 downloads |

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Dynamic response of a building subject to a seismic input
Dynamic response of a building subject to a seismic input

9 meses ago | 4 downloads |

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Solved


Height of a right-angled triangle
Given numbers a, b and c, find the height of the right angled triangle with sides a and b and hypotenuse c, for the base c. If a...

casi 3 años ago

Solved


Parallel vectors
Return true or false depending on whether 2 vectors are parallel or not. Vectors can be 2 or 3 dimensional. The origin is not c...

casi 3 años ago

Solved


Volume difference between Ellipsoid and Sphere
Given an ellipsoid of semi principal axis (a,b,c) find the volume of the difference between this ellipsoid and the sphere with...

casi 3 años ago

Solved


Generate a vector like 1,2,2,3,3,3,4,4,4,4
Generate a vector like 1,2,2,3,3,3,4,4,4,4 So if n = 3, then return [1 2 2 3 3 3] And if n = 5, then return [1 2 2...

casi 3 años ago

Solved


Pangrams!
A pangram, or holoalphabetic sentence, is a sentence using every letter of the alphabet at least once. Example: Input s ...

casi 3 años ago

Solved


Number of Even Elements in Fibonacci Sequence
Find how many even Fibonacci numbers are available in the first d numbers. Consider the following first 14 numbers 1 1 2...

casi 3 años ago

Solved


Perimeter
Given a sequence of points forming a closed path (first and last points are coincident) return the perimeter value. For example...

casi 3 años ago

Solved


The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

casi 3 años ago

Solved


Magic is simple (for beginners)
Determine for a magic square of order n, the magic sum m. For example m=15 for a magic square of order 3.

casi 3 años ago

Solved


Is this triangle right-angled?
Given three positive numbers a, b, c, where c is the largest number, return *true* if the triangle with sides a, b and c is righ...

casi 3 años ago

Solved


Find the longest sequence of 1's in a binary sequence.
Given a string such as s = '011110010000000100010111' find the length of the longest string of consecutive 1's. In this examp...

casi 3 años ago

Solved


Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...

casi 3 años 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 ...

casi 3 años ago