Community Profile # Daniela Würmseer

Last seen: 7 giorni ago Active since 2022

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Question

Solve Equation and Plot it
Hello, i have the follwing equation: 0 = 0.5*alpha*(w(1)*f_1-w(2)*f_2)^2+p(1)*f_1+p(2)*f_2+skalar- AF_z which i want to write...

circa 2 mesi ago | 2 answers | 0

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Question

How to do "not equal to" constraints in fmincon/Global search?
Is there (in the meantime) a better way than: https://de.mathworks.com/matlabcentral/answers/409510-set-not-equal-to-constraint...

2 mesi ago | 3 answers | 0

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Question

Query: If global search found no solution
Hello, is there a way to do a query, if the global Search Alg (or MultiStart Alg) was not able to find a solution? I have an ...

4 mesi ago | 1 answer | 0

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Question

Preallocation Problem in for loop
I have a function which takes a cell array "c" and checks for the length of x and a part of the code is: str = []; for i=1:siz...

4 mesi ago | 1 answer | 0

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Question

Check if function handle is nonlinear with Matlab
Hello, is it possible to check with matlab if a Function Handle is nonlinear? For example: f1=@(x) x(1)+x(2)-5; f2=@(x)10*x(...

4 mesi ago | 1 answer | 0

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Question

Different solutions of fmincon when changing x0
I wanted to ask if it is normal that fmincon can have different solutions with different x0? I implement an Algoritjm by myself...

4 mesi ago | 1 answer | 0

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Question

Finding out the size of x (so how many xi we have) in a function handle
Hello, if i have fore example the following function f1 = @(x) x(1)^2+x(2)^2; can we somehow find out the "size" of x? So with...

5 mesi ago | 4 answers | 0

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Question

Negation of a function handle
Hello, i have an Optimizationproblem where i want to negate my functions (which are nonlinear) if it is a max Problem. minusf...

6 mesi ago | 1 answer | 0

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Question

Sorting Points (2D) clockwise
Hello is there a function or easy way to sort 2D Points clockwise? For example: Given: x = (-1,-1) y = (4,2) z = (-1,4) An...

6 mesi ago | 1 answer | 0

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Question

Error: Operator '-' is not supported for operands of type 'function_handle'.
Hello, i have the following Code: f1 = [-1,-1]; f2=@(x)-10*x(1)+x(1)^2-4*x(2)+x(2)^2; A = [3 1; 2 1 ; 1 2]; b = [...

6 mesi ago | 1 answer | 1

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Question

Finding all local/global minima of an Optimization Problem
Is there a way of finding all local/global minima of an Optimization Problem with Matlab? For example: f= [-1,-1] x0 = [0,0];...

7 mesi ago | 1 answer | 0