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psk981:
Group Title
using inner product f,g and the gram schmiddt process find an orthagonal basis for polynomial space spanned by {1,t,t^2,t^3} on (2,2)
 updated one year ago
 22 replies
 No Medals Yet
Mathematics

psk981:
Group Title
need help solving this differential equation
2y^(4)+3y^(3)16y" +15y'4y=0
…
 updated one year ago
 6 replies
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Mathematics

psk981:
Group Title
Is there a difference between orthogonal basis and orthogonal complement of a subspace
…
 updated one year ago
 25 replies
 No Medals Yet
Mathematics

psk981:
Group Title
find, rank, nullity,row space, column space, null space and left null space of A
 updated one year ago
 24 replies
 2 Medals
Mathematics

psk981:
Group Title
Need Help with finding equilibrium, I have to find 3 values for N
dN/dt=rN(1N/K)(N/A1)
Population is equilibrium at dN/dt=0
 updated one year ago
 1 reply
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Mathematics

psk981:
Group Title
does anyone use differential equations with modelling applications by zill?
…
 updated one year ago
 2 replies
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Mathematics

psk981:
Group Title
Need help finding phase portrait but do not know which equation to use and how to find it.
dn/dt= rN(1N/k)
…
 updated one year ago
 4 replies
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Mathematics

psk981:
Group Title
having trouble with Show that F = (y − z)i + (x + 2y − z)j − (x + y)k is conservative and ﬁnd the work done by F from (1, 0, 0) to (1, 0, 1)…
 updated one year ago
 3 replies
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Mathematics

psk981:
Group Title
Help needed.
find the largest value the directional derivative of f(x,y,z)=xyz can have at the point (1,1,1)
…
 updated one year ago
 5 replies
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Mathematics

psk981:
Group Title
Help Final exam test review question!!
sketch the region
rewrite the integral by switching order
…
 updated one year ago
 12 replies
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Mathematics

psk981:
Group Title
. (10 points) Use the chain rule to show that if w = f(s) and if
s = y + 5x, then
∂w/∂x− 5∂w/∂y
…
 updated one year ago
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Mathematics

psk981:
Group Title
F = (y^2 + 1)i + (x^2 + 4)j and
C : the triangle bounded by y = 0, x + y = 2, y = x.
Use Green’s Theorem to ﬁnd counterclockwise circulati…
 updated one year ago
 11 replies
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Mathematics

psk981:
Group Title
find a vector orthogonal to u and v
find projvU
…
 updated one year ago
 2 replies
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Mathematics

psk981:
Group Title
A heat seeking particle has the property that at any point (x,y) in the plane it moves in the direction of maximum temperature increase if t…
 updated one year ago
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Mathematics

psk981:
Group Title
A heat seeking particle has the property that at any point (x,y) in the plane it moves in the direction of maximum temperature increase if t…
 updated one year ago
 8 replies
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Mathematics

psk981:
Group Title
A heat seeking particle has the property that at any point (x,y) in the plane it moves in the direction of maximum temperature increase if t…
 updated one year ago
 No Medals Yet
Mathematics

psk981:
Group Title
A heat seeking particle has the property that at any point (x,y) in the plane it moves in the direction of maximum temperature increase if t…
 updated one year ago
 No Medals Yet
Mathematics

psk981:
Group Title
Help. Submarine Hunting. Additional and Advanced Excerises chapter 12. Thomas' Calculus.
 updated one year ago
 6 replies
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Mathematics

psk981:
Group Title
need help calc problem
 updated one year ago
 2 replies
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Mathematics

psk981:
Group Title
find a basis for row space and column space
 updated 2 years ago
 1 reply
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Mathematics

psk981:
Group Title
la place transforms help
 updated 2 years ago
 2 replies
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Mathematics

psk981:
Group Title
L{f(t)}. f(t)= cos^2(t)
 updated 2 years ago
 4 replies
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Mathematics

psk981:
Group Title
draw the vector field F=xi+yj at sampling points on the circle x^2+y^2=1
 updated 2 years ago
 3 replies
 No Medals Yet
Mathematics

psk981:
Group Title
Evaluate: Please look at the integral
 updated 2 years ago
 34 replies
 2 Medals
Mathematics

psk981:
Group Title
T(x,y)=e^(2y)cos(x) find the equation y=f(x) for the path of a particle from (pi/4,0)
 updated 2 years ago
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Mathematics

psk981:
Group Title
a flywheel has a counter weight. determine the mass of the weight.
the counter weight has a density of 4.7.
the circle has a radius of 4…
 updated 2 years ago
 1 reply
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Mathematics

psk981:
Group Title
find the inverse laplace transform of (36s^4+12s^2+1)/s^6
 updated 2 years ago
 3 replies
 1 Medal
Mathematics

psk981:
Group Title
laplace transfrom 5/(s^2+9)
 updated 2 years ago
 2 replies
 No Medals Yet
Mathematics

psk981:
Group Title
a particle moves around the circle along a path r(t) = cos(t)i + sin(t)j
a) find particle velocity
…
 updated 2 years ago
 4 replies
 1 Medal
Mathematics

psk981:
Group Title
find the arc length of a curve
 updated 2 years ago
 30 replies
 No Medals Yet
Mathematics
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