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Math100's latest activity
M
Math100
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mpresic3's post
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Studying "Useful" vs. "Useless" Stuff in School
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You lost me at the first statement. I had to solve a partial differential equation at work before. New-hires at my workspace are...
Tuesday, 5:36 PM
M
Math100
reacted to
BillTre's post
in the thread
Studying "Useful" vs. "Useless" Stuff in School
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I recently found this on facebook. It makes sense to me and addresses some common complaints on what one might study:
Tuesday, 5:33 PM
M
Math100
replied to the thread
How should I find the nontrivial stationary paths?
.
I don't understand. If the condition has an infinity of roots, then how are we supposed to plug those ## k ## values into the...
Apr 11, 2024
M
Math100
reacted to
BRUCE A RATCLIFFE's post
in the thread
Motivating high school Physics students with Popcorn Physics
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How did you find PF?: Quiet Desparation prompted me to search for "Electronic forums" I've been teaching physics for forty five years...
Apr 11, 2024
M
Math100
reacted to
sysprog1's post
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Happy Spring
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Haha
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At the park a day or 2 after the vernal equinox, this little fellow stopped by for a snack.
Apr 11, 2024
M
Math100
reacted to
Charles Link's post
in the thread
Photos of 4/8/24 solar eclipse
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The above are two photos of today's eclipse in Chicago. I projected the image from my medium power telescope of the eclipsed sun onto a...
Apr 11, 2024
M
Math100
reacted to
nsaspook's post
in the thread
What were you doing at 16?
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I was in the electronics VICA at one of the first 'magnet' schools in America...
Apr 11, 2024
M
Math100
reacted to
erobz's post
in the thread
What were you doing at 16?
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Care
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In my 20's I didn't notice it. I'm high strung, looking back always have been. In college I was certainly drowsy reading textbooks, but...
Apr 11, 2024
M
Math100
reacted to
mcastillo356's post
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What were you doing at 16?
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Hi, @erobz, amazing, but, did you take the time to sleep the mandatory hours? I haven't got a clue, @berkeman could tell, but I think...
Apr 9, 2024
M
Math100
replied to the thread
How should I find the nontrivial stationary paths?
.
Since the constant ## B=0 ##, we have ## y=Asin(\sqrt{\lambda}x) ## and using the boundary condition at ## x=1 ## gives ##...
Apr 8, 2024
M
Math100
reacted to
erobz's post
in the thread
What were you doing at 16?
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Like
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I was doing anything but schoolwork, mostly the wrong things. I graduated High school 2nd from the bottom of my class at age 17. I went...
Apr 8, 2024
M
Math100
replied to the thread
How should I find the nontrivial stationary paths?
.
How can ## \lambda ## satisfy a certian condition? And how to find the constant ## A ##?
Apr 7, 2024
M
Math100
reacted to
Mondayman's post
in the thread
What were you doing at 16?
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Like
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Playing sports (hockey and football), playing guitar, and partying too far too much! It wasn't until I was about 24-25 that I developed...
Apr 6, 2024
M
Math100
reacted to
pasmith's post
in the thread
How should I find the nontrivial stationary paths?
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Like
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Assuming your work is correct, you have (\alpha - \gamma\lambda)y(1)h(1) + \int_0^1 \beta y'h' - \lambda w y h \,dx = 0. What is the...
Apr 5, 2024
M
Math100
replied to the thread
How should I find the nontrivial stationary paths?
.
I still don't get this one. How does ## (1-\lambda)y(1)+y'(1)=0 ## determine our another constant ## A ##?
Apr 5, 2024
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