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.

bijna 2 jaar ago | 4 downloads |

Submitted

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

meer dan 2 jaar ago | 1 download |

Submitted

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

meer dan 2 jaar ago | 20 downloads |

Submitted

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

meer dan 2 jaar ago | 10 downloads |

Submitted

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

meer dan 2 jaar ago | 3 downloads |

Submitted

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

meer dan 2 jaar ago | 16 downloads |

Submitted

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

meer dan 2 jaar ago | 4 downloads |

Submitted

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

meer dan 2 jaar ago | 2 downloads |

Submitted

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

meer dan 2 jaar ago | 1 download |

Submitted

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

meer dan 2 jaar ago | 25 downloads |

Submitted

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

meer dan 2 jaar ago | 11 downloads |

Submitted

Newton-Raphson method
Easy application of Newton-Raphson algorithm

meer dan 2 jaar ago | 1 download |

Submitted

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

meer dan 2 jaar ago | 3 downloads |

Submitted

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

meer dan 2 jaar ago | 5 downloads |

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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar ago

Solved

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

meer dan 4 jaar 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...

meer dan 4 jaar ago

Solved

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

meer dan 4 jaar 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 ...

meer dan 4 jaar 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.

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 jaar 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...

meer dan 4 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 ...

meer dan 4 jaar ago

Andrea La Spina

Columbia University

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