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Differential Equations
Advanced calculus topics from Diff EQ go here.
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M
Find Green's function G(x,t;x',t') for the operator L = partial/partial-t - k*(partial^2 / partial-x^2) in the region...
mario99
Dec 11, 2023
Replies
0
Views
255
Dec 11, 2023
mario99
M
C
How do I go about solving this problem? Let f(t) = |t| for -1<t<1; find periodic soln to x"+(pi)^2 x = f(t)
corolla
Nov 26, 2023
Replies
7
Views
678
Nov 28, 2023
blamocur
C
Why is my Laplace Inverse wrong?
corolla
Nov 18, 2023
Replies
2
Views
305
Nov 20, 2023
BobP
B
M
Laplace PDE that will Blow your Mind: partial^2-u/partial-x^2 + partial^2-u/partial-y^2 = 0,...
mario99
Nov 12, 2023
Replies
3
Views
478
Nov 15, 2023
mario99
M
A
How to draw phase portrait for systems? (a) dx/dt=0, dy/dt=0; (b) dx/dt=x, dy/dt=0; (c) ...
aash
Nov 11, 2023
Replies
1
Views
284
Nov 12, 2023
stapel
A
Exponential growth: ""Grain is pouring from a hopper on to a barn floor where it forms a conical pile..."
Aminta_1900
Nov 8, 2023
Replies
8
Views
543
Nov 11, 2023
khansaheb
K
J
Need help on a (hopefully!) intermediate math formula
Jazzy1980
Oct 30, 2023
Replies
2
Views
303
Oct 30, 2023
Dr.Peterson
A
First order differential equations: (1/x)(dy/dx) = 1/(1 - x^2), (x - 3)(dy/dx) = y, tan(y)(dy/dx) - 4
Aminta_1900
Oct 28, 2023
Replies
6
Views
619
Oct 30, 2023
Aminta_1900
A
S
Differentiation of a Quadratic: v_0 = V_DD - (1/V_x)[(v_1 - V_t)v_0 - (1/2)(v_0)^2]
studentofece
Oct 21, 2023
Replies
3
Views
384
Oct 23, 2023
Dr.Peterson
B
Why is this linear? d^3y/dt^3 + t * dy/dt + (cos(t))^2 * y = 4t^3
bbqqcc123
Oct 20, 2023
Replies
6
Views
565
Oct 20, 2023
Dr.Peterson
M
Differential Equation: u'' + u = tan x
mario99
Oct 8, 2023
Replies
4
Views
462
Oct 16, 2023
mario99
M
M
Use d'Alembert's Solution to Solve the Wave Equation
mario99
Oct 15, 2023
Replies
0
Views
243
Oct 15, 2023
mario99
M
C
Help me solve this FIRST ODER D.E QUESTIONS
caloytoeh16
Oct 10, 2023
Replies
2
Views
311
Oct 10, 2023
topsquark
P
DE for the rate at which chemicals clear from blood
pope4
Oct 8, 2023
Replies
2
Views
401
Oct 9, 2023
limiTS
L
M
Schrödinger Equation
mario99
Oct 8, 2023
Replies
0
Views
263
Oct 8, 2023
mario99
M
T
Slope field multiple choice: Which graphic shows dy/dx = x - ky for k > 0?
tpupble
Sep 28, 2023
Replies
2
Views
354
Sep 29, 2023
blamocur
dy/dx -5y =(-5/2) * x * y^3. Bernoulli. y^ -3 * dy/dx-5y^ -2=(-5/2) * x
Integrate
Sep 22, 2023
Replies
6
Views
599
Sep 23, 2023
Integrate
M
Laplace Transform of Error Function: Laplace-Transform of (erfc(1/sqrt{t}))
mario99
Sep 10, 2023
Replies
0
Views
477
Sep 10, 2023
mario99
M
M
Stuck at Transforming a Differential Equation: x(d^x X/dx^2) + dX/dx + lambda*X = 0
mario99
Sep 9, 2023
Replies
3
Views
395
Sep 10, 2023
topsquark
M
The First Obstacle to Solve PDE: partial-y/partial-t = (k/r)(r partial-y/partial-r) + Q(r)
mario99
Sep 1, 2023
Replies
12
Views
691
Sep 6, 2023
mario99
M
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