提问
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...
6 years 前 | 2 个回答 | 1
2
个回答已提交
Simulation of von Kármán viscoelastic plates
A quasistatic evolution of viscoelastic von Kármán plates.
6 years 前 | 1 次下载 |
已解决
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...
6 years 前
已解决
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 ...
6 years 前
已解决
Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
6 years 前
已解决
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...
6 years 前
已提交
Implementation of C1 FEM
Detailed implementation of Bogner-Fox-Schmit elements.
7 years 前 | 2 次下载 |
已提交
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.
7 years 前 | 1 次下载 |
已提交
Element-based Solvers
2D Poisson's solver using only local FEM matrices without the global matrix assembly.
7 years 前 | 1 次下载 |
已解决
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...
7 years 前
已解决
Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
7 years 前
提问
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...
7 years 前 | 1 个回答 | 0
1
个回答已解决
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...
7 years 前
已解决
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...
7 years 前
已提交
Evolutionary model for shape memory alloys
Software for a new article - more details later
7 years 前 | 2 次下载 |
已提交
Fast elastoplastic FEM assembly
Vectorized assembly of FEM matrices and including complete calculations of elastoplasticity benchmarks.
7 years 前 | 3 次下载 |
已提交
Computation of the Friedrichs and Poincare constants in 2D/3D
Computation of Friedrichs and Poincare constants in 2D/3D from generalized eigenvalue problems.
8 years 前 | 4 次下载 |
提问
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...
8 years 前 | 2 个回答 | 1
2
个回答已提交
Error identities for variational problems with obstacles
Calculaton of Error identities for variational problems with obstacles
8 years 前 | 1 次下载 |
已提交
Continuum undergoing combined elasto-plasto-damage transformation.
Time-dependent evolution of the continuum undergoing combined elasto-plasto-damage transformation.
9 years 前 | 3 次下载 |
已解决
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...
9 years 前
已解决
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 ...
9 years 前
已解决
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...
9 years 前
已解决
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...
9 years 前
已解决
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:...
9 years 前
已提交
Lagrange polynomial and its subpolynomials
Construction of the Lagrange interpolation polynomial from its definition.
9 years 前 | 2 次下载 |
提问
vectorization of anonymous function?
I managed to vectorize the function below using inline command: u_function=inline(vectorize('sin(x*y*z^2)'),'x','y','z') x=[...
9 years 前 | 1 个回答 | 0