Beantwortet
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 ...
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 ...
fast 7 Jahre vor | 0
Frage
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...
fast 7 Jahre vor | 2 Antworten | 1
2
AntwortenGesendet
Simulation of von Kármán viscoelastic plates
A quasistatic evolution of viscoelastic von Kármán plates.
fast 7 Jahre vor | 182 Downloads |
Gelöst
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...
fast 7 Jahre vor
Gelöst
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 ...
fast 7 Jahre vor
Gelöst
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
fast 7 Jahre vor
Gelöst
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...
fast 7 Jahre vor
Gelöst
Complex number
For complex number c=a+bi, write code that will add a and b together.
fast 7 Jahre vor
Gesendet
Implementation of C1 FEM
Detailed implementation of Bogner-Fox-Schmit elements.
mehr als 7 Jahre vor | 205 Downloads |
Gesendet
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.
mehr als 7 Jahre vor | 134 Downloads |
Gesendet
Element-based Solvers
2D Poisson's solver using only local FEM matrices without the global matrix assembly.
mehr als 7 Jahre vor | 161 Downloads |
Gelöst
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...
fast 8 Jahre vor
Gelöst
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
fast 8 Jahre vor
Frage
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...
fast 8 Jahre vor | 1 Antwort | 0
1
AntwortGelöst
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...
fast 8 Jahre vor
Gelöst
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...
fast 8 Jahre vor
Gesendet
Evolutionary model for shape memory alloys
Software for a new article - more details later
etwa 8 Jahre vor | 368 Downloads |
Gesendet
Fast elastoplastic FEM assembly
Vectorized assembly of FEM matrices and including complete calculations of elastoplasticity benchmarks.
etwa 8 Jahre vor | 452 Downloads |
Gesendet
Fast FEM assembly: nodal elements
Vectorized assembly of FEM matrices.
etwa 8 Jahre vor | 4975 Downloads |
Gesendet
Fast FEM assembly: edge elements
Vectorized assembly of FEM matrices.
etwa 8 Jahre vor | 2785 Downloads |
Gesendet
Computation of the Friedrichs and Poincare constants in 2D/3D
Computation of Friedrichs and Poincare constants in 2D/3D from generalized eigenvalue problems.
mehr als 8 Jahre vor | 1464 Downloads |
Frage
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...
mehr als 8 Jahre vor | 2 Antworten | 1
2
AntwortenGesendet
Error identities for variational problems with obstacles
Calculaton of Error identities for variational problems with obstacles
etwa 9 Jahre vor | 63 Downloads |
Gesendet
Continuum undergoing combined elasto-plasto-damage transformation.
Time-dependent evolution of the continuum undergoing combined elasto-plasto-damage transformation.
etwa 9 Jahre vor | 1153 Downloads |
Gelöst
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...
mehr als 9 Jahre vor
Gelöst
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 ...
mehr als 9 Jahre vor
Gelöst
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...
mehr als 9 Jahre vor
Gelöst
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...
mehr als 9 Jahre vor
Gelöst
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:...
mehr als 9 Jahre vor
Gesendet
Lagrange polynomial and its subpolynomials
Construction of the Lagrange interpolation polynomial from its definition.
mehr als 9 Jahre vor | 134 Downloads |
