swissgirl
  • swissgirl
Anyone familiar with mathematica?
Mathematics
  • Stacey Warren - Expert brainly.com
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jamiebookeater
  • jamiebookeater
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swissgirl
  • swissgirl
http://www.math.ysu.edu/~faires/Numerical-Analysis/Programs/programs/mathematica/ I need help with ALG023.MA I evaluated the notebook
swissgirl
  • swissgirl
and I entered the function \( \large e^{6x}+3(ln2)^2e^{2x}-(ln8)e^{4x}-(ln2)^3 \)
swissgirl
  • swissgirl
Like I am not sure how to enter this function

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swissgirl
  • swissgirl
hmmmmmmmm
swissgirl
  • swissgirl
@nincompoop r u there?
swissgirl
  • swissgirl
ohhhhhhh Ill try to input that
anonymous
  • anonymous
This is how your input should be in formal Mathematica notation: Exp[6x]+3 Log[2]^2 Exp[2x]- Log[8] Exp[4x]- Log[2]^3
swissgirl
  • swissgirl
hmmmm not sure gotta play around a lil Thanks guys :)
swissgirl
  • swissgirl
@experimentX Can u help me out?
swissgirl
  • swissgirl
like I think smth is wrong since I think its taking too long to converge
swissgirl
  • swissgirl
So maybe I am inputting it incorrectly
experimentX
  • experimentX
this right? http://www.wolframalpha.com/input/?i=e^{6x}%2B3%28ln2%29^2e^{2x}-%28ln8%29e^{4x}-%28ln2%29^3 do you know WA interprets latex?
swissgirl
  • swissgirl
nooooooooooooooooooo
experimentX
  • experimentX
lol ... probably you should remove { } E^(6 x) + 3 Log[2]^2 E^(2 x) - Log[8] E^(4 x) - Log[2]^3
swissgirl
  • swissgirl
ok let me tryyyyy
experimentX
  • experimentX
for these types ... create a W|A accound (free one) ... sometimes it let's you copy things around ... like Mathematica input
swissgirl
  • swissgirl
ohhhhhhhh i willll
swissgirl
  • swissgirl
smth is going wrong with my mathematica ughhhh
swissgirl
  • swissgirl
idk smth is weird a number my book got for the 6th itteration I got for the 16th iteration
swissgirl
  • swissgirl
so either I am entering smth incorrectly orrrrrrrrrrr there is some typo
experimentX
  • experimentX
1 Attachment
swissgirl
  • swissgirl
how did u get that?
swissgirl
  • swissgirl
Like how can i do that input output thingy?
experimentX
  • experimentX
copy paste .. lol
swissgirl
  • swissgirl
Like u see I got for 16 --> -0.182888 and the book got this number for the 6th iteration So I kinda have a sneaky feeling that somehow the program is messing up
1 Attachment
swissgirl
  • swissgirl
Newtons method involves dividing the function by its derivative so I wonder if the derivative is getting messed up
experimentX
  • experimentX
when it comes to programming mathematica ... i at zero level. If it were Matlab ... i could have re- programmed it
experimentX
  • experimentX
try this Log[4] == Log[2]^2
swissgirl
  • swissgirl
So like how wold u get it to be (log[2])^2?
swissgirl
  • swissgirl
Where should i try that?
experimentX
  • experimentX
try to create a new notebook ..
swissgirl
  • swissgirl
ohhhhh
swissgirl
  • swissgirl
It said false
swissgirl
  • swissgirl
lol I dont know a thing from beanssss
swissgirl
  • swissgirl
1 Attachment
swissgirl
  • swissgirl
Just followed what u told me to do idkkkkkkkkkkkkkkkkkkkkkkk
swissgirl
  • swissgirl
lol whadya mean?
swissgirl
  • swissgirl
I am confuzzleddddd
swissgirl
  • swissgirl
When I enter Log[2]^2 does mathematica read it as Log[4]?
swissgirl
  • swissgirl
Or does it read it as (log(2))^2?
experimentX
  • experimentX
this means Log[2]^2 not equal to Log[4]
swissgirl
  • swissgirl
YAYYYYYYYYYY
swissgirl
  • swissgirl
Ok maybe there is a typo in my book whtvr
swissgirl
  • swissgirl
I am totally driving u guys crazyyyyyy
experimentX
  • experimentX
you should learn programming http://www.mathprogramming-intro.org/ google them, there are lot's of stuff ... I'm learning after exams
swissgirl
  • swissgirl
ikkk I should. I just dont know where to begin
swissgirl
  • swissgirl
Ill bookmark this page
swissgirl
  • swissgirl
I just never have time in my life idkkkkkkkkkkk I think i gotta start organizing my life
experimentX
  • experimentX
haha ... you should learn from how to evaluate expression ... probably
swissgirl
  • swissgirl
Probabbbbllyyyyy
swissgirl
  • swissgirl
hahah the only time I learnt about programming was back in HS we learnt visual basics hahahah which isnt relevant
experimentX
  • experimentX
no one works with VB these days. I tried to do a VB in second year. it was a failure. I don't know why everyone is interested in python these days.
swissgirl
  • swissgirl
idk It seems like C++ is what everyone studies idk
experimentX
  • experimentX
i learned C on undergrad school ... tried to learn c++ ... didn't complete it.
experimentX
  • experimentX
i thin i'll try to learn python/mathematica/matlab ... after exam
swissgirl
  • swissgirl
hahahah ure always learning after exams
swissgirl
  • swissgirl
idk I am getting sick of studying. Nothings interesting nemore. idk The course I am taking right now is soooooo boring. idk Like after a while u just get sick of everything
experimentX
  • experimentX
probably you skipped the basics ... mathematics always seemed interesting. my teachers were awful ... didn't understand algebra well. I failed in finals of my final year.
swissgirl
  • swissgirl
idk Its numerical methods and I get headaches when like computing with tiny numbers. I keep on having to check if I am made a mistake. I guess I am not cut out for math :(
experimentX
  • experimentX
yeah ... i don't like it either ... Maybe i failed the day before yesterday's exam because of it. seeing it I thought it could ... but due to lack of practice i couldn't do it.
swissgirl
  • swissgirl
U recently took that course toooo????
experimentX
  • experimentX
I have it in my course ... Mathematical physics.
swissgirl
  • swissgirl
ohhhhhhhhhhhhhhhhhhhhhh its very technical and I so hate it. maybe it will get a lil bit nore exciting. Its like its a no brainer once u know the formulas u just enter all the info
experimentX
  • experimentX
well ... i still love deriving the Euler's method and Newton's Rhapson's method ... I hate RK-4 ,,,,
swissgirl
  • swissgirl
didnt get up to RK-4 yet
swissgirl
  • swissgirl
Are u familiar with aitken's method?
experimentX
  • experimentX
the picture looks beautiful http://upload.wikimedia.org/wikipedia/commons/thumb/e/e0/NewtonIteration_Ani.gif/300px-NewtonIteration_Ani.gif
swissgirl
  • swissgirl
Ohhhhh i lovee thattttt
experimentX
  • experimentX
probably not ... i skipped the whole chapter. all i studied for exam was RK-4 and Newton interpolation ... lol ...i couldn't do both.
swissgirl
  • swissgirl
lol ya well i dont have to take exams I just have to hand in work So i dont have to memorize any formulas
experimentX
  • experimentX
very nice for you ... you don't want to be in my position right now.
swissgirl
  • swissgirl
No i reallyyyyyy dont lol
experimentX
  • experimentX
my stat 1 down -- flunked 3 remaining --- gonna drop probably
swissgirl
  • swissgirl
Cuz u r taking wayyy too many courses at once
experimentX
  • experimentX
this year I'm dead :(((
experimentX
  • experimentX
probably i should quit physics and start math ... lol
swissgirl
  • swissgirl
lol but ure finished with ur undergrad? Like I kinda find it crazy that ppl study for sooooo long
experimentX
  • experimentX
yeah ... i graduated with physics, and half way through grad school ... tried to get extra math in undergrad .. failed on both.
swissgirl
  • swissgirl
Once u graduate then what?
experimentX
  • experimentX
dunno ... it's just so nice to be freeloader at home being student.
swissgirl
  • swissgirl
lol hahahahah i guesssss
experimentX
  • experimentX
yeah ... 1/3 of life is gone this way these days studying .. or even more.
experimentX
  • experimentX
http://a7.sphotos.ak.fbcdn.net/hphotos-ak-ash3/546053_3789383858455_1259887902_n.jpg until you reach the top of that parabola ... you are still a student.
swissgirl
  • swissgirl
omggg I dont like that lol
experimentX
  • experimentX
somebody named it cycle of life ... lol
swissgirl
  • swissgirl
Well it is the cycle of life.
experimentX
  • experimentX
yeah ... kinda feel pretty bad to grow old and for the old
swissgirl
  • swissgirl
Ya it makes u feel like u wasted ur life idkkk
experimentX
  • experimentX
I'm still at my prime for my age ... but not career :((
swissgirl
  • swissgirl
Once u hit the prime of ur career afterwards it heads downwards
experimentX
  • experimentX
hahahaha ...

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