## 519 Reputation

14 years, 129 days

## Thanks, but it work only for text...

Thanks, but it work only for text and not for variables and command (mod math) in expressions or equations

In Classic worksheet ok it work

## K2(x) ?...

Could you give K2(x) ?

## Thank you...

selectremove(has,f,i) do the trick

## Thank you...

selectremove(has,f,i) do the trick

## and...

This is the same in mathematica, matlab, fortran etc...

## and...

This is the same in mathematica, matlab, fortran etc...

## Agree...

Yes, it is a challenge for Maplesoft

## Thank you...

I will chose one way

## Thank you...

I will chose one way

## A system of Differential equations...

In the case of your s1 and s2, you have a system of equations in f1 and f2 (if f[0](x) is known)

In this case, you can not solve it with a for command

you should write : dsolve({s[1](x),s[2](x)},{f[1](x),f[2](x)})

and add boundary conditions as (D@@2)(f[1]) because you have a third derivative

## A system of Differential equations...

In the case of your s1 and s2, you have a system of equations in f1 and f2 (if f[0](x) is known)

In this case, you can not solve it with a for command

you should write : dsolve({s[1](x),s[2](x)},{f[1](x),f[2](x)})

and add boundary conditions as (D@@2)(f[1]) because you have a third derivative

## Notebook...

particle.zip

Upload don't accept .nb file. I ziped it

## Yes...

I executed your maple worksheet and mathematica notebook.

In maple take a lot of time but in mathematica few seconds

I am interested also to know how to modify your commands to get more and more less time with maple ?

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