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laura bagnale


Last seen: ungefär 2 år ago |  Active since 2021

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Coming back from gradient using circshift for image processing
Hello everyone, I would like to ask your help. This is the question: If I use circhshift for getting the Gradient between nei...

ungefär 2 år ago | 1 answer | 0

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answer

Answered
How to solve quadratic equation in x and y?
Thank you very much for your reply, Star Strider. Sorry, I was unclear. I meant f(x,y) = 3*x^2 - 6*y^2 + 1 == 0, so I need t...

ungefär 3 år ago | 0

Question


How to solve quadratic equation in x and y?
Hello everyone, Could someone help me, please? I would like to solve this quadratic equation: f(x,y) = 3x^2 - 6y^2 + 1 and...

ungefär 3 år ago | 2 answers | 0

2

answers

Question


how to create a graphic-table point correspondence
Hello everyone, I hope someone could help me with the following problem. I have a set of points with (x,y) coordinates. I plo...

ungefär 3 år ago | 1 answer | 0

1

answer

Question


How to use symsum to calcolate residuals
Hello everyone! Could someone help me, please? I have these vectors: x = [0; 0; 0; 0; 1] y = [1; 0.15; 0.03; 0;...

ungefär 3 år ago | 1 answer | 0

1

answer

Question


How to set a custom equation to fit 5 points in space by fitsurface?
Hello everyone, it would be very nice if someone could help me with this problem. I have a set of 5 points in space with x, y,...

mer än 3 år ago | 2 answers | 0

2

answers

Answered
How to use array data for successive operations
Hi Pavan, thank you very much for your support! This helps a lot! Best Regards, Laura

mer än 3 år ago | 0

Question


How to use array data for successive operations
Hello everyone, I hope someone could help me. I used the 'normalize' function for a set of data and then I used fitsurface to ...

mer än 3 år ago | 2 answers | 0

2

answers

Question


Normalization of poly22 fitsurface
Hello everyone, I hope someone could help me. I would like to find a way to normalize poly22. I have a set of X,Y,Z points in ...

mer än 3 år ago | 1 answer | 0

1

answer

Question


From symbolic to numerical results for quadratic equation
Hello everyone, I hope someone could help me, I'm starting using the symbolic toolbox but I have some difficulties. I wrote ...

mer än 3 år ago | 1 answer | 0

1

answer

Question


2 variables symbolic function representation
Hello everyone! I need to represent a two variables function. From the following determinant A = I obtained the quadra...

mer än 3 år ago | 1 answer | 0

1

answer

Question


In symbolic expression, how can I factorize terms that has common variables?
I have this expression det = I used collect but it returns the following collect(det,x) ans = So, It has been fac...

mer än 3 år ago | 0 answers | 0

0

answers

Question


quadratic curve from matrices determinant
Hello everyone, could someone help me please? I would like to obtain the quadratic curve coming from the calculation of a 2x2 ...

mer än 3 år ago | 1 answer | 0

1

answer

Question


Optimization problem with quadratic function
Hello everyone, I hope someone could help me. This is the problem: I have 12 points which are experimental measures, represent...

mer än 3 år ago | 1 answer | 0

1

answer

Question


plot and fit surface
Hello everyone, I hope that someone can help me. I'm trying to plot several points in the space and to fit them so I can get a...

mer än 3 år ago | 1 answer | 0

1

answer

Answered
Change axis of fcontour plot
Thank you very much, Alan, this is very helpful! I already tried with LevelList but now all is more clear! Best Regards, La...

mer än 3 år ago | 0

Answered
Pareto set for 2D functions
Hi Andreas, it is perfect for me, thank you very much for your support! Your answers were clear and very helpful! I really wa...

mer än 3 år ago | 0

Question


Change axis of fcontour plot
Hello everyone, Can someone help me, please? I'm using this function fcontour(@(x,y) 3*(x+5)^2 + (x + 5)*(y - 2) + (y - 2)^...

mer än 3 år ago | 2 answers | 0

2

answers

Question


Pareto set for 2D functions
Hello everyone! Can someone help me with this problem please? I represented two functions like these: fcontour(@(x,y) 0.90...

mer än 3 år ago | 2 answers | 0

2

answers