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Last seen: environ un mois il y a Actif depuis 2021

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Question

plotting a surface between two curve
Hi all, I have plotted two curves by importing data. The first curve, referred to as the small curve, consists of the points (x...

environ 2 mois il y a | 1 réponse | 0

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Question

finding fold curve in 3D surface
Hi all, I have a 3D surface. Could you please tell me how can I plot the fold curve for it and coulour differently upper and bo...

4 mois il y a | 1 réponse | 0

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Question

convert Matlab results to Latex
Hi all, I obtained some equations in Matlab's command window, and I have to write them in Latex, but because they are too long a...

7 mois il y a | 2 réponses | 0

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Question

Inconsistency of the figure and value on the curve
Hi all. I wrote a code to find the curve for trace and determinant. The problem is that when I zoom and choose one value on the ...

8 mois il y a | 1 réponse | 0

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how can I find the intersection of two surface
Thanks a million for really nice and complete expalanation. I have a question: I labeled the contour to see the zero contour, ...

8 mois il y a | 0

Question

how can I find the intersection of two surface
Hi, I wrote the code below to find the intersection of two surfaces "cdot: and "ctdot", but it has an error : Z must be a matrix...

8 mois il y a | 2 réponses | 0

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Question

Finding equilibrium points for an ODE system
Hi, I have two functions named cdot and ctdot. I want to find the eqilibrium points which means cdot=ctdot=0. Could you please t...

8 mois il y a | 1 réponse | 0

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Question

Figure 's issue
Hi everyone. I wrote the code below for plotting a 2d figure (ct-h) but it doesn't work; I mean it doesn't show any figure. Coul...

9 mois il y a | 1 réponse | 0

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Question

Real solution for a variable in an equation
Hi all, I have an equation and I want to find the real solution (c>0), for eqn, but this code doesn't work. Could you please tel...

9 mois il y a | 1 réponse | 0

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Question

Operator '.^' is not supported for operands of type 'cell'
Hi, I wanted to plot lambda which is defined in the code below, but it has an error: Operator '.^' is not supported for operands...

10 mois il y a | 1 réponse | 0

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Question

Finding function for x in f(x,y,z)=0 and plotting it in 3d phase space
Hi, we have a function f(x,y,z)=0, could you please tell me how we can find a function for x which means x=g(y,z) and the second...

10 mois il y a | 1 réponse | 0

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Question

Plot a 2d figure for a complicated function
Hi. I wanted to plot a 2d figure for the equation below (lambda) that are a function of c, but it doesn't give me any figures. C...

10 mois il y a | 2 réponses | 0

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Question

How can plot 1D manifold in 3d space
Hi, I have to plot a 1D manifold based on the equations below, x=[0,0.3], y=[0,1], z=[0,0.5] other related equations are: ...

11 mois il y a | 1 réponse | 0

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Question

Finding the minimum value
Hi.I have a function f(x,y)=2.62./2.62+(x-y).^4, based on the attached figure, the minimum value for this function is 1. I want ...

12 mois il y a | 2 réponses | 0

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Question

How can I plot f(x,y) in xy plane
Hi, Would you mind telling me how can I plot two figures in this "LINK" in matlab? particularly in this range: x,y=[0,5]

12 mois il y a | 1 réponse | 0

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Question

plot a surface for g-f=0
Hi, would you mind telling me how can I plot g-f=0 as a surface. f=0.07.*z.^2./(0.09+z.^2) and g=0.003+0.01.*(42./(42+(y-z).^4...

12 mois il y a | 2 réponses | 0

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Question

Common part of 2D and 3D plot
Hi, I have a 3D plot that are plotted based on data (the data attached and shown with blue in the figure below), and a 2d curve ...

12 mois il y a | 2 réponses | 0

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Question

how to convert explicit function to implicit?
Hi, I have an equation and I want y be as a fuction, in fact, I 'd like a function in which x is independent variable and y is ...

presque 2 ans il y a | 1 réponse | 0

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Question

Plotting a 3d figure for a function with 4 variables?
Hi, I have a function with 4 variables (x,y,z,w) which means d(x,y,z,w)=0, and I have to plot a 3D figure for just 3 variable (x...

presque 2 ans il y a | 1 réponse | 0

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