maths calculus & linear algebra tools/programs

[OOzy Pal]

On 5/7/06, Dimitri Mallis <dimitri.mallis at gmail.com> wrote:
> hi list
>
>  is there a tool or prgram that will solve maths problems im a step by step
> way, so i can learn from the solutions?
>
>  for example if i wanted the determinate and adjoint of this matrix A it
> would solve it for me step by step
>
>  A=
>  [1 2 3]
>  [4 5 6]
>  [7 8 9]
>
>  det(A) =
>
>  =(-1)^(1+1)(1)[5 6] + (-1)^(1+2)(2)[4 6] + (-1)^(1+3)(3)[4 5]
>                           [8 9]                           [7 9]
>              [7 8]
>
>  =(1)(1)(5*9-8*6) + (-1)(2)(4*9-7*6) + (1)(3)(4*8-7*5)
>
>  =(1)(1)(40-48) + (-1)(2)(36-42) + (1)(3)(32-35)
>
>  =(1)(1)(-8) + (-1)(2)(-6) + (1)(3)(-3)
>
>  =-8 +12 -9
>
>  = -5
>
>  (im not sure if this is right but i think it is) & then it could give me
> the adjoint & inverse & transpose in the same way
>
>  then for claculus something that could show step by step how to do
> derivetives & integrils
>  eg.
>
>  (
>    (2x^3 + 7) d(x)
>  )
>
>  = 1/2x^4 + 7x + C
>
>  any help would be greatly appreciated
>
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>
>

Octave is like Matlab
Also check rlab.

I used octave long time ago but never used rlab.

http://rlab.sourceforge.net/
http://www.gnu.org/software/octave/

--
OOzy