Current Events > How do I find the eigenfunctions for y"+ky=0 ?

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FLOUR 02/07/20 9:34:44 PM #1:	Subject to y(pi)=0 and y(-pi)=0. I notice when k is negative or zero only yields the trivial solution, but the positive case is puzzling me. --- The Sacramento Kings always want to prove you wrong just when you think things can't get any worse. <cite>FLOUR posted [p:934080949] in How do I f... [t:78390217]...</cite> <quote>Subject to y(pi)=0 and y(-pi)=0. I notice when k is negative or zero only yields the trivial solution, but the positive case is puzzling me. </quote> ... Copied to Clipboard!
teepan95 02/07/20 11:08:24 PM #2:	y" + ky = 0 y" = -ky What function(s) return the same function (up to a negative constant) when they're differentiated twice? --- Baby, I'm an engineer ;) I can calculate (within a reasonable margin of error) how this nut is gonna splash when it hits ya tiddies <cite>teepan95 posted [p:934085098] in How do I f... [t:78390217]...</cite> <quote>y" + ky = 0 y" = -ky What function(s) return the same function (up to a negative constant) when they're differentiated twice?</quote> ... Copied to Clipboard!
Odoylerules 02/07/20 11:12:03 PM #3:	this topic reminds me how terrible I am at math but I'm glad some of your are or we wouldnt have cool shit <cite>Odoylerules posted [p:934085220] in How do I f... [t:78390217]...</cite> <quote>this topic reminds me how terrible I am at math but I'm glad some of your are or we wouldnt have cool shit</quote> ... Copied to Clipboard!
FLOUR 02/08/20 12:34:31 AM #4:	teepan95 posted... What function(s) return the same function (up to a negative constant) when they're differentiated twice? That's the easy part. What I'm having trouble with is applying the boundary conditions. --- The Sacramento Kings always want to prove you wrong just when you think things can't get any worse. <cite>FLOUR posted [p:934087825] in How do I f... [t:78390217]...</cite> <quote>teepan95 posted... </cite> <quote>What function(s) return the same function (up to a negative constant) when they're differentiated twice?</quote> That's the easy part. What I'm having trouble with is applying the boundary conditions. </quote> ... Copied to Clipboard!
Garioshi 02/08/20 12:38:58 AM #5:	FLOUR posted... That's the easy part. What I'm having trouble with is applying the boundary conditions. y( ) = 0. What function is 0 at ? --- "I play with myself" - Darklit_Minuet, 2018 <cite>Garioshi posted [p:934087938] in How do I f... [t:78390217]...</cite> <quote>FLOUR posted... </cite> <quote>That's the easy part. What I'm having trouble with is applying the boundary conditions.</quote>y( ) = 0. What function is 0 at ? </quote> ... Copied to Clipboard!
FLOUR 02/08/20 12:41:48 AM #6:	Garioshi posted... y( ) = 0. What function is 0 at ? That's obviously what I'm having trouble with. --- The Sacramento Kings always want to prove you wrong just when you think things can't get any worse. <cite>FLOUR posted [p:934088025] in How do I f... [t:78390217]...</cite> <quote>Garioshi posted... </cite> <quote>y( ) = 0. What function is 0 at ?</quote> That's obviously what I'm having trouble with. </quote> ... Copied to Clipboard!
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teepan95 02/08/20 8:07:54 AM #9:	FLOUR posted... teepan95 posted... What function(s) return the same function (up to a negative constant) when they're differentiated twice? That's the easy part. What I'm having trouble with is applying the boundary conditions. What function are you getting (before applying the boundary conditions)? --- Baby, I'm an engineer ;) I can calculate (within a reasonable margin of error) how this nut is gonna splash when it hits ya tiddies <cite>teepan95 posted [p:934094865] in How do I f... [t:78390217]...</cite> <quote>FLOUR posted...</cite> <quote>teepan95 posted... </cite> <quote> What function(s) return the same function (up to a negative constant) when they're differentiated twice?</quote> That's the easy part. What I'm having trouble with is applying the boundary conditions. </quote> What function are you getting (before applying the boundary conditions)?</quote> ... Copied to Clipboard!
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Current Events > How do I find the eigenfunctions for y"+ky=0 ? (+) Yeah! (+)

Current Events > How do I find the eigenfunctions for y"+ky=0 ?