Ibraheem

Last seen: 26 jours il y a | Actif depuis 2022

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I am receiving an Error using plot
I am getting this error when running my code Error using plot Data must be numeric, datetime, duration, categorical, or an arr...

2 mois il y a | 1 réponse | 0

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Question

Solving matrix differential equation
Hi I want to solve a 2x2 matrix differential equation, how do I go by it? this is what i currently have syms x1 x2 Dx1 = di...

2 mois il y a | 1 réponse | 0

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Question

how to use inverves in matrix
Hi, I am trying to make an inverse of a value but I keep getting errors, what can i do to solve this issue.

environ un an il y a | 1 réponse | 0

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I can't run a file
Hi I am trying to run a file but i keep getting this error.

environ un an il y a | 1 réponse | 0

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Plotting a 2d graph
Can someone please help me in plotting a ellipse with a function x^ 2 + 9y ^2 = 9

plus de 2 ans il y a | 1 réponse | 0

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Question

calculating Double integral over a region
I am trying to plot this double integral but i keep getting an error, can someone help me out thanks. ymax = @(x) sqrt((9-x....

plus de 2 ans il y a | 2 réponses | 0

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Question

Triple integers (cylindrical method)
I am trying to write a code for a triple integral with function of r (radius) t (theta) z xy/2 <= z <= (x^2+2y^2) 1/2 x = rcos...

plus de 2 ans il y a | 1 réponse | 0

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Question

Making a horizontal region between two functions
How do i fix this, my region is showing on the wrong part of the fuction, but i want it on the other part. can i get help f = @...

plus de 2 ans il y a | 1 réponse | 0

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Question

Creating horizontal regions between functions
I tried doing it, but i kept getting it wrong, can you help and tell me what my mistake is. f = @(x) cos(x); g = @(x) x-x; a...

plus de 2 ans il y a | 1 réponse | 0

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Question

how to flip a function
I am trying to flip the last plot so it can fit into the other plots f = @(x) x.^3; g = @(x)x; a = 0; b =1; fplot(f, [a, b...

plus de 2 ans il y a | 1 réponse | 0

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Question

Creating a horizotal region
I don't really understand how to create a horizontal region between two functions in a graph. I did this to get the vertical re...

plus de 2 ans il y a | 1 réponse | 0

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Question

plotting as a function of x
I have no problem ploting as a function of y but when i try replicating it and plotting it as a function of x i get an error or ...

plus de 2 ans il y a | 1 réponse | 0

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Question

How to do type II double integration on matlab
I have no problem using type I (dydx) and when I use it i get the correct answer but if i try replicating the same method using ...

plus de 2 ans il y a | 2 réponses | 0

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Question

Example of how to use verticalregion
can someone please post an example of using vertical region on a x-y graph. Tanks

plus de 2 ans il y a | 1 réponse | 0

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Question

How to plot x = 1 without any y variable
Ho do i plot a vertical line on a x y graph (x =1) without using the y variable

plus de 2 ans il y a | 1 réponse | 0

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Question

fminsearch for a function f(x,y) = x^4 -3xy+2y^2
can someone please explain what hapens when i usw fminsearch with a starting value of (0,0)

plus de 2 ans il y a | 4 réponses | 0

4

réponses

Question

How do i use fminsearch to find the minimum or maximum of a function . x.^4-3.*x.*y+2.*y.^2
I trying to use fmin search for a function of 2 variable

plus de 2 ans il y a | 2 réponses | 0

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réponses