## 957 Reputation

15 years, 53 days
University of Kent
Dr

## how do i choose appropate values for t i...

how do i choose appropate values for t if i have other ODEs to plot?

## how do i choose appropate values for t i...

how do i choose appropate values for t if i have other ODEs to plot?

## is there an easy way to do it?...

may i ask why i have to use systems of ODEs here?

thanks

## is there an easy way to do it?...

may i ask why i have to use systems of ODEs here?

thanks

## ooops   yes   it's...

ooops

yes

it's something like arctan (AAAAAAAAA, BBBBBB)

horrible exoression

## ooops   yes   it's...

ooops

yes

it's something like arctan (AAAAAAAAA, BBBBBB)

horrible exoression

## thanks...

for dx/dt=x/t

i know that we can use this method to draw "normal "isoclines

by rearranging it and set x/t = constant

so isocline for that are straight lines

i just dont get it, why maple response would give me curly curve...

cheers

## thanks...

for dx/dt=x/t

i know that we can use this method to draw "normal "isoclines

by rearranging it and set x/t = constant

so isocline for that are straight lines

i just dont get it, why maple response would give me curly curve...

cheers

## yep thanks "map" is always...

yep thanks "map" is always very handy though i didnt use it very often. I will try to use that more often ============= For Maple on MAC how do i open classical worksheet if it is not on the desktop?

## yep thanks "map" is always...

yep thanks "map" is always very handy though i didnt use it very often. I will try to use that more often ============= For Maple on MAC how do i open classical worksheet if it is not on the desktop?

## i see so basically if i just...

i see so basically if i just ask it to solve with initial condition given i wont know if the solution is unique or not thanks

## i see so basically if i just...

i see so basically if i just ask it to solve with initial condition given i wont know if the solution is unique or not thanks

## hwever...

thanks

i know i can do that this way

however

if i draw it by hand

i rearrange that to x/t=c ( c is constant)

then x=ct are they suppose to be straight lines??

why maple give me curly curves?

thanks

## hwever...

thanks

i know i can do that this way

however

if i draw it by hand

i rearrange that to x/t=c ( c is constant)

then x=ct are they suppose to be straight lines??

why maple give me curly curves?

thanks

## thanks a lot...

i dont know what it is however this topic seems intersing
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