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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 2 years 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 2 years 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 2 years 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 2 years 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 2 years ago
 11 replies
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Mathematics

psk981:
Group Title
find a vector orthogonal to u and v
find projvU
…
 updated 2 years 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 2 years 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 2 years 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 2 years 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 2 years ago
 No Medals Yet
Mathematics

psk981:
Group Title
Help. Submarine Hunting. Additional and Advanced Excerises chapter 12. Thomas' Calculus.
 updated 2 years ago
 6 replies
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Mathematics

psk981:
Group Title
need help calc problem
 updated 2 years 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
 No Medals Yet
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
 No Medals Yet
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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