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If $f:\Bbb{R}^{+}\to\Bbb{R}^n,\;t\mapsto f(t)=\Vert x(t)\Vert^2,$ then $f$ is differentiable

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#calculus #ordinary-differential-equations #multivariable-calculus #derivatives
479
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Matrix second order differential equation

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#ordinary-differential-equations #analysis
85
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Ordinary Differential Equation - non-homogeneous

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#ordinary-differential-equations
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Modeling Kuramoto in Matlab

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#ordinary-differential-equations #numerical-methods #matlab
66
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Mixed formulation with Volterra integrals?

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#functional-analysis #ordinary-differential-equations #calculus-of-variations #convolution #finite-element-method
294
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$2x^2y''+3xy'-\left(x+1\right)y=0$

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#ordinary-differential-equations
100
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If $t\mapsto \rho(t)=e^{(1-t)A}\cdot e^{tB},$ then $e^{A}-e^{B}=\int^{t}_{0}e^{(1-t)A}(A-B)e^{tB}dt$

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#matrices #ordinary-differential-equations #multivariable-calculus #matrix-equations #matrix-calculus
204
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An ordinary differential equation with non Lipschitz RHS

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#calculus #real-analysis #ordinary-differential-equations
203
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Differential equation with square root, how to use $\\sgn()$?

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#ordinary-differential-equations
188
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Stability of ODE involving trig functions and nonhyperbolic fixed points

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#ordinary-differential-equations #dynamical-systems #stability-in-odes #stability-theory
700
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What is isogonal family of a given family of curves?

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#ordinary-differential-equations #differential-geometry #euclidean-geometry #analytic-geometry
133
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Harvesting fish model in mathematical biology

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#ordinary-differential-equations #derivatives #mathematical-modeling #biology
122
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Calculating Metric Components from Christoffel Symbols

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#ordinary-differential-equations #differential-geometry #partial-differential-equations
222
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Domain of solution of separable equation

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#calculus #real-analysis #ordinary-differential-equations
173
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Third Order Differential Equation (Change of variable)

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#ordinary-differential-equations #analysis

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