anonymous
  • anonymous
Matlab could someone help me write the code %want to store the particular solution in xp. initialize xp set it to be the zero column vector with decent dimension using the pivot columns from A generate pA solve for pA*temp=b where temp is a temporary vector using pA\b put temp in the positions of xp output xp
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
function csolve(A,b) [x,z]=size(A); pivot=[]; free=[1:1:z]; rreform = rref(A); for i=1:1:x for j=1:1:z if (rreform(i,j)==1) pivot=[pivot,j]; break; end end end free(pivot)=''; rank = length(pivot); fprintf('the rank of the coefficent matrix is %d.\n',rank); fprintf('the pivot variables are'); for i=1:1:length(pivot) fprintf('x%d',pivot(i)); end fprintf('.\n'); fprintf('the free variables are'); for j=1:1:length(free) fprintf('x%d',free(j)); end fprintf('.\n'); end
anonymous
  • anonymous
this is my current code runs and works fine
UsukiDoll
  • UsukiDoll
*runs*

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anonymous
  • anonymous
? @UsukiDoll
UsukiDoll
  • UsukiDoll
I'm not too good at matlab...I'm just happy that I passed Deterministic Modeling a.k.a Mathematical Biology and I don't have to do matlab.
anonymous
  • anonymous
oh ok:/ @UsukiDoll
UsukiDoll
  • UsukiDoll
sorrrrrrrrry D:
anonymous
  • anonymous
its ok! @UsukiDoll im sure someone will help lol
UsukiDoll
  • UsukiDoll
usually it's @dan815 or @Kainui who are good at matlab but they never seem to respond and all the other matlab helpers don't show up here that often :/ But I think there's a site called stackoverflow that has online help for matlab
anonymous
  • anonymous
oh okay ill try that thanks!
UsukiDoll
  • UsukiDoll
http://stackoverflow.com/questions/tagged/matlab
dan815
  • dan815
Hi, still need help?
anonymous
  • anonymous
yes please @dan815
dan815
  • dan815
and what do you have left to do?
UnkleRhaukus
  • UnkleRhaukus
if you like a nice print you might want spaces: ` ...variables are ');` | here and some commas, | ``` ... fprintf('x%d, ... end fprintf('\b\b.\n') ... ``` using `\b` to delete the last comma (backspace)
UnkleRhaukus
  • UnkleRhaukus
@lljenjenll, the code you have posted does seems to work fine, but it hard to see how it matches with the question, all the variable names are different

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