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zenterix's latest activity
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
For the record, I am done with this thread, and will not answer any other further posts.
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
I agree and that is why I asked for where I might find the next steps now that I completed an entire course from MIT on differential...
May 23, 2024
Z
zenterix
reacted to
DaveE's post
in the thread
Why can't a critical point of a system of DEs be complex?
with
Like
.
I think you should focus on learning what you want or need to know somewhat independently at this point. At some point it doesn't...
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
The only person who used the word irrelevant in this entire thread is you. I never said anything is irrelevant. You are defensively...
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
I studied the Laplace transform but only to solve single differential equations not a system.
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
I didn't write anything about what anyone should or should not do. I also never said anything about excluding calculus from pure math...
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
That's right. But let me analyze with precision what I wrote so you may understand. I used two terms deliberately: "pure" math and...
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
Here is a course called "Introduction to Functional Analysis". Does this seem like what you are talking about? From the names of the...
May 23, 2024
Z
zenterix
replied to the thread
How to understand typo in MIT OCW chapter on Poynting vector?
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Ah yes. I need to get some sleep that is what I need to do. Then maybe I won't miss such things.
May 23, 2024
Z
zenterix
reacted to
Orodruin's post
in the thread
How to understand typo in MIT OCW chapter on Poynting vector?
with
Like
.
First of all, you have brought along an ##A\, dx## here that should be divided by ##A\, dt## in the first expression. Try to keep away...
May 23, 2024
Z
zenterix
replied to the thread
How to understand typo in MIT OCW chapter on Poynting vector?
.
@phyzguy I forgot one step. It is there now, equation (2a).
May 23, 2024
Z
zenterix
posted the thread
How to understand typo in MIT OCW chapter on Poynting vector?
in
Introductory Physics Homework Help
.
Here is a chapter from MIT OCW's 8.02 Electromagnetism course. At the end of page 14 is section 13.6 "Poynting Vector". The...
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
I am making a distinction between different kinds of calculus courses. In particular I am making a distinction between courses that are...
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
What makes you think that I think that?
May 23, 2024
Z
zenterix
replied to the thread
Why can't a critical point of a system of DEs be complex?
.
I meant like a pure math course. Your answer seems to be about what is typical in most STEM fields. I just finished MIT's 18.03, and...
May 23, 2024
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