# Sergio

Last seen: 2 mesi fa Attivo dal 2024

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Domanda

Use of eig(A) for eigenvectors
Hi, I try to call the eigenvectors of the respective eigenvalue, but that part in the code gives an error: "Unrecognize functi...

2 mesi fa | 1 risposta | 0

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Domanda

Script has no errors, but no plot is given
Hi , I wonder what is wrong here with the script. Nothinig happens when it should plot something... Can someone help? Thanks ...

2 mesi fa | 2 risposte | 0

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Domanda

Empty spherical plot - strange error
I find it strange that I get an empty plot with the give command, and get the given error: Error using matlab.graphics.chart....

3 mesi fa | 1 risposta | 0

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Domanda

Unrecognized "spharm" for spherical harmonics plot?
Hi, I get the following error when trying to plot Unrecognized function or variable 'spharm'. Error in FTyD (line 35) ...

3 mesi fa | 1 risposta | 0

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Domanda

Operands to the logical AND (&&) and OR (||) operators must be convertible to logical scalar values. Use the ANY or ALL functions to reduce operands to logical scalar values.
Hi, I get the following error with the given code, "Operands to the logical AND (&&) and OR (||) operators must be convertibl...

3 mesi fa | 1 risposta | 0

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Domanda

How to use fminunc for a 2D function composed of two functions?
I have: and I want to minimize it on the unit square without using differentials. I use the following code, close...

3 mesi fa | 1 risposta | 0

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Domanda

Solving a linear programming problem uising linprog
I have the given linear program to solve. To solve this I prepare the following for the constraints on each of the six va...

4 mesi fa | 2 risposte | 0

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Domanda

How can I calculate the gradient of a vector in MATLAB?
I have The vector r, which is a 1x8 vector, r=(r_1, r_2,…,r_8)^T, and the Jacobian defined by J, as a 8x8 matrix J = (\p...

5 mesi fa | 1 risposta | 0

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