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15
Math.TechQA.Club
2026-04-14 23:56:08
54
Views
Evaluate the following triple integral
Published on
14 Apr 2026 - 23:56
#multivariable-calculus
#polar-coordinates
166
Views
Using polar co-ordinates to find the fixed point of the dynamical system $x^\prime = x-y-x^{3}$ and $y^\prime = x+y-y^{3}$.
Published on
15 Apr 2026 - 18:09
#polar-coordinates
#chaos-theory
#nonlinear-dynamics
74
Views
Follow the steps to solve the problem: $u_t = \alpha^2 (u_{xx} +u_{yy}), \hspace{0.5cm} (x,y) \in D=\{ (x,y) \in \mathbb{R}^2 \colon x^2 + y^2 < 1\}$
Published on
16 Apr 2026 - 14:41
#partial-differential-equations
#polar-coordinates
#bessel-functions
#heat-equation
98
Views
Use polar co-ordinates to show the fixed point of the dynamical system $x^\prime = x-y-x^{3}$ and $y^\prime = x+y-y^{3}$ has distance <2 from (0,0)
Published on
16 Apr 2026 - 14:38
#polar-coordinates
#chaos-theory
#nonlinear-dynamics
926
Views
Determining Bounds of Theta for Double Integration of a Polar Region
Published on
26 Mar 2026 - 4:53
#integration
#multivariable-calculus
#polar-coordinates
#upper-lower-bounds
#bounds-of-integration
209
Views
Fourier transform in polar coordinates
Published on
12 Apr 2026 - 5:42
#fourier-transform
#polar-coordinates
137
Views
Having problems with drawing of a phase portrait of system of ODES in polar coordinates
Published on
13 Apr 2026 - 21:52
#ordinary-differential-equations
#polar-coordinates
426
Views
Change the double integral into a single integral in polar coordinates
Published on
13 Apr 2026 - 20:14
#integration
#multivariable-calculus
#polar-coordinates
#multiple-integral
60
Views
When is this function integrable ? polar coordinates?
Published on
14 Apr 2026 - 14:58
#real-analysis
#integration
#analysis
#polar-coordinates
#singularity
94
Views
Solve Differential Equation: $y' = \frac{\sqrt{x^2+y^2}-x}{y}$
Published on
14 Apr 2026 - 19:26
#ordinary-differential-equations
#polar-coordinates
1.2k
Views
How to convert the Laplacian from Cartesian coordinates to polar coordinates?
Published on
13 Apr 2026 - 8:44
#real-analysis
#partial-differential-equations
#polar-coordinates
#laplacian
92
Views
How do I calculate the following double integral and evaluate the limits of $\theta$?
Published on
12 Apr 2026 - 8:11
#multivariable-calculus
#polar-coordinates
#multiple-integral
121
Views
System of differential equations - Equilibria, phase plane, polar coordinates
Published on
16 Apr 2026 - 3:33
#ordinary-differential-equations
#polar-coordinates
#differential
75
Views
Left most vertical tangent to the curve $r=3+2\cos(\theta)$
Published on
14 Apr 2026 - 21:58
#algebra-precalculus
#derivatives
#polar-coordinates
913
Views
Area of region inside circle and Lemniscate?
Published on
15 Apr 2026 - 11:13
#calculus
#polar-coordinates
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