This is not mathematics. I just found an equation so that we can draw a heart in 3D. Indeed, the following equation
will generate a heart. I have tried and the following pictures show that fact.
Ngô Quốc Anh
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Bài gửi gần đây
- A weak form of several ODEs via integration by parts
- Non-zero derivative does not imply the continuity of the inverse
- Least upper bound axiom, completeness axiom, and Archimedean property and Cantor’s intersection theorem are equivalent
- A contraction type argument
- Second-order differentiability in terms of partial derivatives
- Monotonicity of (1+1/x)^(x+α)
- Restriction of gradient, Laplacian, etc on level sets and applications
- Extending functions between metric spaces: Continuity, uniform continuity, and uniform equicontinuity
- Jacobian determinant of diffeomorphisms measures the quotient of area of small balls
- Leibniz rule for proper integral with parameter whose limits also depends on the parameter
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argument principle asympotic behavior Aubin's inequality Bochner formula bootstrap argument Brezis-Lieb lemma Brezis-Merle's inequality Caffarelli–Kohn–Nirenberg's inequality Calderón-Zygmund Casorati-Weierstrass co-area formula complex integral Concentration-Compactness conformal changes conformally invariant equation decreasing reaarangement De Giorgi's theorem essential singularities estimates fixed-point principle Fourier transform fractional Laplacian Gagliardo-Nirenberg-Sobolev's inequality Gagliardo-Nirenberg’s inequality Gaussian curvature General Relativity Glaeser inequality Green functions Hardy's inequality Horgan's inequality Hölder continuous implicit function theorem increasing rearrangement inequalities invariance Karush–Kuhn–Tucker conditions Kelvin transform Killing operator Lichnerowicz equations Lieb theorem logarithmic Sobolev's inequality Maximum Principle mean curvature mean field equation method of sup- and super-solutions Moser-Trudinger's inequality moving planes moving spheres MuPAD Nash's inequality Nash-Moser's iteration norm of tensors Onofri's inequality Opial's inequality Paneitz operator Picone identity Pohozaev identities Q-curvature Rayleigh quotient regularity theory Rellich's inequality Rellich-Kondrachov Ricci tensor Riesz potential Schur Serrin's inequality Sobolev's inequality sphere mean stereographic projection sup- and super-solutions surface integrals symmetrization Trudinger's inequality Yamabe Yamabe problemLịch
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