Minimization of a function with unknown gradient but known sparsity pattern of its hessian
Dear colleague, based on our discussions from yesterday, I implemented a finite difference scheme for a gradient approximation ...
presque 7 ans il y a | 0
Question
Minimization of a function with unknown gradient but known sparsity pattern of its hessian
Dear colleagues, is there a fmincon option to minimize a function without the knowledge of its gradient but providing a sparsit...
presque 7 ans il y a | 2 réponses | 1
2
réponsesA soumis
Simulation of von Kármán viscoelastic plates
A quasistatic evolution of viscoelastic von Kármán plates.
presque 7 ans il y a | 182 téléchargements |
A résolu
Pascal's Triangle
Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...
presque 7 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 ...
presque 7 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.
presque 7 ans il y a
A résolu
Count ones
Write a program to count number of ones (1s) in an integer variable input. For example: Input x=2200112231 output y=3 I...
presque 7 ans il y a
A résolu
Complex number
For complex number c=a+bi, write code that will add a and b together.
presque 7 ans il y a
A soumis
Implementation of C1 FEM
Detailed implementation of Bogner-Fox-Schmit elements.
plus de 7 ans il y a | 205 téléchargements |
A soumis
Hyper elasticity with a non-penetration condition
A 2D FEM solver based on an energy minimisation formulated in C^1 deformation including a new non-penetration term.
plus de 7 ans il y a | 134 téléchargements |
A soumis
Element-based Solvers
2D Poisson's solver using only local FEM matrices without the global matrix assembly.
plus de 7 ans il y a | 161 téléchargements |
A résolu
Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
presque 8 ans il y a
A résolu
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
presque 8 ans il y a
Question
Is there any gradient descent method available?
We are working on the optimization of nonconvex energies in mechanics of solid (see the attached picture) resulting from the fin...
presque 8 ans il y a | 1 réponse | 0
1
réponseA 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...
presque 8 ans il y a
A résolu
Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...
presque 8 ans il y a
A soumis
Evolutionary model for shape memory alloys
Software for a new article - more details later
environ 8 ans il y a | 368 téléchargements |
A soumis
Fast elastoplastic FEM assembly
Vectorized assembly of FEM matrices and including complete calculations of elastoplasticity benchmarks.
environ 8 ans il y a | 452 téléchargements |
A soumis
Fast FEM assembly: nodal elements
Vectorized assembly of FEM matrices.
environ 8 ans il y a | 4974 téléchargements |
A soumis
Fast FEM assembly: edge elements
Vectorized assembly of FEM matrices.
environ 8 ans il y a | 2784 téléchargements |
A soumis
Computation of the Friedrichs and Poincare constants in 2D/3D
Computation of Friedrichs and Poincare constants in 2D/3D from generalized eigenvalue problems.
plus de 8 ans il y a | 1464 téléchargements |
Question
Matlab Exchange - More authors to one contribution
We are three persons in a team finishing up a Matlab package to upload. I already have an account, but my colleagues not. If the...
plus de 8 ans il y a | 2 réponses | 1
2
réponsesA soumis
Error identities for variational problems with obstacles
Calculaton of Error identities for variational problems with obstacles
environ 9 ans il y a | 63 téléchargements |
A soumis
Continuum undergoing combined elasto-plasto-damage transformation.
Time-dependent evolution of the continuum undergoing combined elasto-plasto-damage transformation.
environ 9 ans il y a | 1153 téléchargements |
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...
plus de 9 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 ...
plus de 9 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...
plus de 9 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...
plus de 9 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:...
plus de 9 ans il y a
A soumis
Lagrange polynomial and its subpolynomials
Construction of the Lagrange interpolation polynomial from its definition.
plus de 9 ans il y a | 134 téléchargements |
