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I will find an xy dataset satisfying an implicit equation.
(x^2 + y^2)^3 + (15*x + 3.3*y)*(x^2 + y^2)^2 + (62.5*x^2 + 20*x*y - 8.37*y^2)*(x^2 + y^2) - 17*x^3 + 11*x^2*y + 17*x*y^2 - 11*y^...
oltre 2 anni fa | 1 risposta | 0
1
rispostaDomanda
How can I plot the pahase plane of a time dependent linear system?
I want to plot phase plane wtih arrows (like quiver) of the time dependet system above.
circa 3 anni fa | 1 risposta | 0
1
rispostaDomanda
How can I solve a general elliptic partial differential equation with Drichlet boundary conditions?
I have an equation with known functions f, g and h shown above. My BC is: Is there any pdetool solution or any numerical me...
quasi 4 anni fa | 1 risposta | 0
1
rispostaDomanda
A 2D boundary value problem with superelliptic boundaries
I have 2 concentric supercircles with equations x^4+y^4=1 and x^4+y^4=16. Potentials at these surfaces are kept constant at V=...
quasi 4 anni fa | 0 risposte | 0
0
risposteDomanda
How can I find a doble sum series?
I want to compute the series. Parameters a, b, c and d are known constants.
circa 4 anni fa | 1 risposta | 0
1
rispostaDomanda
I want to draw dual phase portraits in a 4x4 linear differential equation system. My codes contain 4 variables as below (x1, x2, y1, y2).
p=0.1; q=15; x1dom = linspace(-p,p,q);x2dom = linspace(-p,p,q);y1dom = linspace(-p,p,q);y2dom = linspace(-p,p,q); [X1,X2,Y1,Y2...
oltre 4 anni fa | 0 risposte | 0
0
risposteDomanda
I want to draw dual phase portraits in a 4x4 linear differential equation system. My codes contain 4 variables as below (x1, x2, y1, y2). For a given coefficients matrix, when
p=0.1; q=15; x1dom = linspace(-p,p,q);x2dom = linspace(-p,p,q);y1dom = linspace(-p,p,q);y2dom = linspace(-p,p,q); [X1,X2,Y1,Y2...
oltre 4 anni fa | 1 risposta | 0
