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Question
ODE15s nondimensional Jacobian matrix can help convergence?
Hi I'm trying to solve a transient multiphysics problem with MATLAB ode15s function. The problem consists of three physical sy...
5 maanden ago | 1 answer | 0
1
answerQuestion
odextend initial guess error
I am using ode15s to analyze the steady state of the system from the initial state (time t0) and then using odextend to analyze ...
6 maanden ago | 2 answers | 0
2
answersQuestion
ODE function return additional time dependent values
The equation I'm integrating is M x'' = F, which is the basic rigid body equation of motion and also performs transient heat con...
8 maanden ago | 1 answer | 0
1
answerSolved
Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.
meer dan een jaar ago
Solved
Doubling elements in a vector
Given the vector A, return B in which all numbers in A are doubling. So for: A = [ 1 5 8 ] then B = [ 1 1 5 ...
meer dan een jaar ago
Solved
Flip the vector from right to left
Flip the vector from right to left. Examples x=[1:5], then y=[5 4 3 2 1] x=[1 4 6], then y=[6 4 1]; Request not ...
meer dan een jaar ago
Solved
Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.
meer dan een jaar ago
Solved
Get the length of a given vector
Given a vector x, the output y should equal the length of x.
meer dan een jaar ago
Solved
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...
meer dan een 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 een jaar ago
Question
why matlab is using all cores when no parallel pool is created
Hi Something weird is happening on my matlab code. I'm using AMD Ryzen Threadripper 2990WX (32 physical cores). I have paral...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
Can I run MATLAB function from each excel file using macro at the same time?
I wanted to run MATLAB function from excel file and it worked using VBA and excel macro. For parametric study I made several ex...
meer dan een jaar ago | 1 answer | 0
1
answerQuestion
GA is not satisfying nonlinear constraints
I'm using GA to optimize geometry for maximum safety ratio. Input parameter contain length, width, and etc, and the nonlinear c...
meer dan 2 jaar ago | 1 answer | 0
1
answerSolved
Vector pop
Take |n| elements from the end of the vector |v| and return both the shorten vector |v| and the |n| elements in a separate vecto...
meer dan 2 jaar ago
Solved
Vector push
Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...
meer dan 2 jaar ago
Solved
Binary numbers
Given a positive, scalar integer n, create a (2^n)-by-n double-precision matrix containing the binary numbers from 0 through 2^n...
meer dan 2 jaar ago
Solved
Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
meer dan 2 jaar ago
Solved
2048 Next Move
Given a board in the game 2048 (see the game here: <http://gabrielecirulli.github.io/2048/ 2048>) and a direction ('up','down','...
meer dan 2 jaar ago
Solved
Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...
meer dan 2 jaar ago
Solved
Extract part elements of matrix into one new matrix
Given a matrix that includes different nonzero and zero entries, extract the nonzero elements and form a new matrix. The new mat...
meer dan 2 jaar ago
Solved
Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]
meer dan 2 jaar ago
Solved
Create an n-by-n null matrix and fill with ones certain positions
The positions will be indicated by a z-by-2 matrix. Each row in this z-by-2 matrix will have the row and column in which a 1 has...
meer dan 2 jaar ago
Solved
~~~~~~~ WAVE ~~~~~~~~~
|The WAVE generator| Once upon a time there was a river. 'Sum' was passing by the river. He saw the water of the river that w...
meer dan 2 jaar ago
Solved
Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...
meer dan 2 jaar ago