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구구


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提问


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 months 前 | 1 个回答 | 0

1

个回答

提问


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 ...

7 months 前 | 2 个回答 | 0

2

个回答

提问


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 months 前 | 1 个回答 | 0

1

个回答

已提交


image2surf
Convert image to height matrix

9 months 前 | 1 次下载 |

已解决


Vector creation
Create a vector using square brackets going from 1 to the given value x in steps on 1. Hint: use increment.

1 year 前

已解决


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 ...

1 year 前

已解决


Create a vector
Create a vector from 0 to n by intervals of 2.

1 year 前

已解决


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 ...

1 year 前

已解决


Whether the input is vector?
Given the input x, return 1 if x is vector or else 0.

1 year 前

已解决


Get the length of a given vector
Given a vector x, the output y should equal the length of x.

1 year 前

已解决


Inner product of two vectors
Find the inner product of two vectors.

1 year 前

已解决


Arrange Vector in descending order
If x=[0,3,4,2,1] then y=[4,3,2,1,0]

1 year 前

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...

1 year 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 ...

1 year 前

提问


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...

1 year 前 | 1 个回答 | 0

1

个回答

提问


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...

1 year 前 | 1 个回答 | 0

1

个回答

已提交


pargif
tbd

2 years 前 | 2 次下载 |

提问


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...

2 years 前 | 1 个回答 | 0

1

个回答

已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


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','...

2 years 前

已解决


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...

2 years 前

已解决


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...

2 years 前

已解决


Calculate the derivative of a polynomial
Example: in = [ 1 1 1 ] out = [ 2 1 ]

2 years 前

已解决


Find max
Find the maximum value of a given vector or matrix.

2 years 前

已解决


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...

2 years 前

已解决


~~~~~~~ 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...

2 years 前

已解决


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...

2 years 前

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