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 ...
alrededor de 7 años hace | 0
Pregunta
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...
alrededor de 7 años hace | 2 respuestas | 1
2
respuestasEnviada
Simulation of von Kármán viscoelastic plates
A quasistatic evolution of viscoelastic von Kármán plates.
alrededor de 7 años hace | 199 descargas |
Resuelto
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...
alrededor de 7 años hace
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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 ...
alrededor de 7 años hace
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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.
alrededor de 7 años hace
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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...
alrededor de 7 años hace
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Complex number
For complex number c=a+bi, write code that will add a and b together.
alrededor de 7 años hace
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Implementation of C1 FEM
Detailed implementation of Bogner-Fox-Schmit elements.
más de 7 años hace | 206 descargas |
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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.
más de 7 años hace | 135 descargas |
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Element-based Solvers
2D Poisson's solver using only local FEM matrices without the global matrix assembly.
casi 8 años hace | 180 descargas |
Resuelto
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...
alrededor de 8 años hace
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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...
alrededor de 8 años hace
Pregunta
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...
alrededor de 8 años hace | 1 respuesta | 0
1
respuestaResuelto
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...
alrededor de 8 años hace
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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...
alrededor de 8 años hace
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Evolutionary model for shape memory alloys
Software for a new article - more details later
alrededor de 8 años hace | 370 descargas |
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Fast elastoplastic FEM assembly
Vectorized assembly of FEM matrices and including complete calculations of elastoplasticity benchmarks.
más de 8 años hace | 469 descargas |
Enviada
Fast FEM assembly: nodal elements
Vectorized assembly of FEM matrices.
más de 8 años hace | 4988 descargas |
Enviada
Fast FEM assembly: edge elements
Vectorized assembly of FEM matrices.
más de 8 años hace | 2809 descargas |
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Computation of the Friedrichs and Poincare constants in 2D/3D
Computation of Friedrichs and Poincare constants in 2D/3D from generalized eigenvalue problems.
más de 8 años hace | 1481 descargas |
Pregunta
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...
más de 8 años hace | 2 respuestas | 1
2
respuestasEnviada
Error identities for variational problems with obstacles
Calculaton of Error identities for variational problems with obstacles
más de 9 años hace | 63 descargas |
Enviada
Continuum undergoing combined elasto-plasto-damage transformation.
Time-dependent evolution of the continuum undergoing combined elasto-plasto-damage transformation.
más de 9 años hace | 1165 descargas |
Resuelto
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...
más de 9 años hace
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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 ...
más de 9 años hace
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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...
más de 9 años hace
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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...
más de 9 años hace
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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:...
más de 9 años hace
Enviada
Lagrange polynomial and its subpolynomials
Construction of the Lagrange interpolation polynomial from its definition.
más de 9 años hace | 134 descargas |
