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M
mario99
replied to the thread
Please help to find the answer
.
This problem is almost similar to the last problem of the Laplace equation, except it is non-homogeneous. When the Laplace equation is...
7 minutes ago
M
mario99
replied to the thread
Superposition Principle Undetermined Coefficients
.
Let us walk step by step to understand why the particular solution depends on the complementary solution. First look at the right side...
30 minutes ago
K
Kulla_9289
replied to the thread
How to start this question?
.
I used DY = zBD where z is the scalar. I am not sure what went wrong.
57 minutes ago
P
PA3040D
replied to the thread
Please advise the to the answer
.
[/imath] Dear Sir, attached to the link below is a new post question that related to this question . I believe you would be the most...
Today at 1:35 PM
P
PA3040D
posted the thread
Please help to find the answer
in
Advanced Math
.
Hi All Have a nice day. This is related to my second question based on my first question. Please see the following link. for the my...
Today at 1:24 PM
Integrate
replied to the thread
Superposition Principle Undetermined Coefficients
.
So yeah I understand that y = y_c + y_p But I don't understand how the complementary equation gives us that guess? I'm curious why in...
Today at 1:09 PM
A
Aion
reacted to
fresh_42's post
in the thread
Complex numbers
with
Like
.
de Moivre says (\cos(x) +i \sin(x))^n =\cos(nx) + i \sin(nx) and we are interested in \cos(5x). Hence, \begin{array}{lll}...
Today at 12:30 PM
F
fresh_42
replied to the thread
Complex numbers
.
de Moivre says (\cos(x) +i \sin(x))^n =\cos(nx) + i \sin(nx) and we are interested in \cos(5x). Hence, \begin{array}{lll}...
Today at 12:26 PM
A
Aion
replied to the thread
Complex numbers
.
If you compare your result with the required one it is apparent you made a mistake at the start of the derivation. I recommend using the...
Today at 12:17 PM
M
mario99
replied to the thread
Superposition Principle Undetermined Coefficients
.
It is telling you that because the auxiliary equation has r = i or r = -i, the guess for the particular solution will be y_p(t) = t(At +...
Today at 11:58 AM
H
HATLEY1997
posted the thread
Complex numbers
in
Intermediate/Advanced Algebra
.
I have got this down to the real numbers (I think). But struggling with what to do at the end here to get the required trig identity...
Today at 11:44 AM
Integrate
posted the thread
Superposition Principle Undetermined Coefficients
in
Calculus
.
If I understand the superposition principle of undetermined coefficients then that means we can take each part on the right hand side...
Today at 11:05 AM
Integrate
replied to the thread
What determines how we group in method of undetermined coefficients?
.
I was wondering why they grouped the way they did. Which after working it through their way I see it is much easier to group with the...
Today at 10:51 AM
Integrate
replied to the thread
What determines how we group in method of undetermined coefficients?
.
This very much helps me understand what a linear combination is for sure. Something that I did not understand fully. Though I am...
Today at 10:49 AM
Integrate
reacted to
Steven G's post
in the thread
What determines how we group in method of undetermined coefficients?
with
Like
.
If you have a set of functions which you multiply each function by a scalar and then add these together you have a linear combination of...
Today at 10:48 AM
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