Can someone please convert this fortran program(.f90) to matlab (.m) for me. I would really appreciate

real a,b,p,z,r,h,c,cprim,Dprim,F ,alpha,Fprim,Gprim,Hi ,Hprim 
double precision k ,kprim,L,Lprim,M,Mprim  , Ar(200),At(200),Br(200),Bt(200),Sigmar(200),Sigmat(200) 
    
dimension r(200), h(200),alpha(200),deltaT(200),E(200),bnew(200) 
    
    
    open(1,file='Contrainte radial.dat')
    open(2,file='Contrainte tangentia.dat')
    write(1,*)'variable= "r(n)" "Sigmar(n)"' 
    write(2,*)'variable= "r(n)" "Sigmat(n)"'
    write(1,*)'zone T=zone2' 
    write(*,*)'donner les valeurs de a b z'
    read(*,*) a, b, z
   
    p=(b-a)/(z-1)

r(1)=a

Sigmar(1)=0

write(,)'r= ',r(1) write(,)'Sigmar= ',Sigmar(1)

write(1,*) r(1),Sigmar(1) write(2,*) r(1), Sigmat(1)

do n=1,z r(n+1)=r(n)+p

     h(n)=-0.002*r(n)**5+0.041668*r(n)**4-0.28432*r(n)**3+0.68273*r(n)**2-0.66228*r(n)+4.5901

bnew(n)=0.00015*r(n)**3-0.0009*r(n)**2+0.0018*r(n)+0.33

E(n)=-2.192e4*r(n)**3+1.334e5*r(n)**2-2.908e5*r(n)+2.366e7

alpha(n)=2.718e-9*r(n)**3-1.631e-8*r(n)**2+3.476e-8*r(n)+9.129e-6

deltaT(n)=1.689*r(n)**3-10.110*r(n)**2+21.630*r(n)+588

enddo

do n=2,z C=r(n)*h(n)

Cprim=bnew(n)/E(n) + ((1+ bnew(n))*(r(n)-r(n-1)))/(2*E(n)*r(n))

      D=0.5*(r(n)-r(n-1))*h(n)
    Dprim=1/E(n) + ((1+ bnew(n))*(r(n)-r(n-1)))/(2*E(n)*r(n))
    F=r(n-1)*h(n-1)

Fprim= bnew(n-1)/E(n-1) - ((1+ bnew(n-1))*(r(n)-r(n-1)))/(2*E(n-1)*r(n-1))

      G=0.5*(r(n)-r(n-1))*h(n-1)

      Gprim=1/E(n-1) - ((1+ bnew(n-1))*(r(n)-r(n-1)))/(2*E(n-1)*r(n-1))

Hi=0.5*1005.7*(r(n)-r(n-1))*(h(n)*r(n)*r(n)+h(n-1)*r(n-1)*r(n-1)) Hprim=(alpha(n)*deltaT(n))-(alpha(n-1)*deltaT(n-1)) K=(Fprim*D-F*Dprim)/(Cprim*D-C*Dprim) Kprim=(Fprim*C-F*Cprim)/(Cprim*D-C*Dprim) L= -(Gprim*D+G*Dprim)/(Cprim*D-C*Dprim) Lprim = -(Gprim*C+G*Cprim)/(Cprim*D-C*Dprim) M=(Hprim*D+Hi*Dprim)/(Cprim*D-C*Dprim) Mprim= (Cprim*Hi+C*Hprim)/(Cprim*D-C*Dprim) Ar(1)=0 At(1)=1 Br(1)=0 Bt(1)=0 Sigmar(1)=0

Ar(n)=K*Ar(n-1)+L*At(n-1)

At(n)=Kprim*Ar(n-1)+Lprim*At(n-1)

Br(n)=K*Br(n-1)+L*Bt(n-1) + M

Bt(n)=Kprim*Br(n-1)+Lprim*Bt(n-1) + Mprim

enddo sigmar(z)=8500

Sigmat(1)=(sigmar(z)-Br(z))/Ar(z) write(,)'Sigmat= ',Sigmat(1) do n=2,z

Sigmar(n)= Ar(n)*Sigmat(1) + Br(n)

    Sigmat(n)= At(n)*Sigmat(1) + Bt(n)

write(,)'____________________________________' write(,)'n= ', n write(,)'r= ', r(n) write(,)'C= ', c write(,)'Cprim= ', cprim write(,)'Dprim= ', Dprim WRITE(,)'F= ', F write(,)'Fprim= ', Fprim write(,)'Gprim= ', Gprim write(,)'G = ', G write(,)'Hi= ', Hi write(,)'Hprim= ', Hprim write(,)'k= ', k write(,)'kprim= ', kprim write(,)'L= ', L write(,)'Lprim= ', Lprim write(,)'M= ', M write(,)'Mprim= ', Mprim write(,)'Ar= ',Ar(n) write(,)'At= ',At(n) write(,)'Br= ',Br(n) write(,)'Bt= ',Bt(n) write(,)'r= ',r(n) write(,)'Sigmar= ',Sigmar(n) write(,)'Sigmat= ',Sigmat(n) write(1,*) r(n),Sigmar(n) write(2,*) r(n),Sigmat(n)

enddo end

[Image Analyst]

But then what? Will we have to write another program for you, and then another, and another? Don't you think you should learn how to do it yourself?

[Jan]

@Basil: It is unlikely that a voluntary contributor in this forum will do the work for you. Did you have success with installing f2matlab?

[Walter Roberson]

Formatting tip: tab is not recognized by the forum formatter as being whitespace.

http://www.mathworks.com/matlabcentral/answers/13205-tutorial-how-to-format-your-question-with-markup

Answer 1

[Ben Barrowes]

Putting it through f2matlab, this gets you most of the way there:

function basil(varargin)
 clear all; %clear functions;

   global unit2fid;  if ~isempty(unit2fid), unit2fid=[]; end
   persistent a alpha ar at b bnew br bt c cprim deltat dprim e f fprim gprim h hi hprim k kprim l lprim m mprim p r sigmar sigmat z ; 

   if isempty(a), a=0; end;
   if isempty(b), b=0; end;
   if isempty(p), p=0; end;
   if isempty(z), z=0; end;
   if isempty(r), r=zeros(1,200); end;
   if isempty(h), h=zeros(1,200); end;
   if isempty(c), c=0; end;
   if isempty(cprim), cprim=0; end;
   if isempty(dprim), dprim=0; end;
   if isempty(f), f=0; end;
   if isempty(alpha), alpha=zeros(1,200); end;
   if isempty(fprim), fprim=0; end;
   if isempty(gprim), gprim=0; end;
   if isempty(hi), hi=0; end;
   if isempty(hprim), hprim=0; end;
   if isempty(k), k=0; end;
   if isempty(kprim), kprim=0; end;
   if isempty(l), l=0; end;
   if isempty(lprim), lprim=0; end;
   if isempty(m), m=0; end;
   if isempty(mprim), mprim=0; end;
   if isempty(ar), ar=zeros(1,200); end;
   if isempty(at), at=zeros(1,200); end;
   if isempty(br), br=zeros(1,200); end;
   if isempty(bt), bt=zeros(1,200); end;
   if isempty(sigmar), sigmar=zeros(1,200); end;
   if isempty(sigmat), sigmat=zeros(1,200); end;

   if isempty(deltat), deltat=zeros(1,200); end;
   if isempty(e), e=zeros(1,200); end;
   if isempty(bnew), bnew=zeros(1,200); end;

   thismlfid=fopen('Contrainte radial.dat','r+');
   unit2fid=[unit2fid;1,thismlfid];
   thismlfid=fopen('Contrainte tangentia.dat','r+');
   unit2fid=[unit2fid;2,thismlfid];
   writef(1,['%s '],'variable= "r(n)" "Sigmar(n)"');
   writef(2,['%s '],'variable= "r(n)" "Sigmat(n)"');
   writef(1,['%s '],'zone T=zone2');
   writef(1,['%s '],'donner les valeurs de a b z');
   a=input('','s');
   b=input('','s');
   z=input('','s');

   p=(b-a)./(z-1);

   r(1)=a;

   sigmar(1)=0;

   writef(1,['%s %0.15g '],'r= ',r(1));
   writef(1,['%s %0.15g '],'Sigmar= ',sigmar(1));

   writef(1,['%0.15g %0.15g '], r(1),sigmar(1));
   writef(2,['%0.15g %0.15g '], r(1), sigmat(1));

   for n=1:z;
    r(n+1)=r(n)+p;

    h(n)=-0.002.*r(n).^5+0.041668.*r(n).^4-0.28432.*r(n).^3+0.68273.*r(n).^2-0.66228.*r(n)+4.5901;

    bnew(n)=0.00015.*r(n).^3-0.0009.*r(n).^2+0.0018.*r(n)+0.33;

    e(n)=-2.192e4.*r(n).^3+1.334e5.*r(n).^2-2.908e5.*r(n)+2.366e7;

    alpha(n)=2.718e-9.*r(n).^3-1.631e-8.*r(n).^2+3.476e-8.*r(n)+9.129e-6;

    deltat(n)=1.689.*r(n).^3-10.110.*r(n).^2+21.630.*r(n)+588;

   end; n=z+1;

   for n=2:z;
    c=r(n).*h(n);

    cprim=bnew(n)./e(n) +((1+ bnew(n)).*(r(n)-r(n-1)))./(2.*e(n).*r(n));

    d=0.5.*(r(n)-r(n-1)).*h(n);
    dprim=1./e(n) +((1+ bnew(n)).*(r(n)-r(n-1)))./(2.*e(n).*r(n));
    f=r(n-1).*h(n-1);

    fprim= bnew(n-1)./e(n-1) -((1+ bnew(n-1)).*(r(n)-r(n-1)))./(2.*e(n-1).*r(n-1));

    g=0.5.*(r(n)-r(n-1)).*h(n-1);

    gprim=1./e(n-1) -((1+ bnew(n-1)).*(r(n)-r(n-1)))./(2.*e(n-1).*r(n-1));

    hi=0.5.*1005.7.*(r(n)-r(n-1)).*(h(n).*r(n).*r(n)+h(n-1).*r(n-1).*r(n-1));
    hprim=(alpha(n).*deltat(n))-(alpha(n-1).*deltat(n-1));
    k=(fprim.*d-f.*dprim)./(cprim.*d-c.*dprim);
    kprim=(fprim.*c-f.*cprim)./(cprim.*d-c.*dprim);
    l=-(gprim.*d+g.*dprim)./(cprim.*d-c.*dprim);
    lprim = -(gprim.*c+g.*cprim)./(cprim.*d-c.*dprim);
    m=(hprim.*d+hi.*dprim)./(cprim.*d-c.*dprim);
    mprim=(cprim.*hi+c.*hprim)./(cprim.*d-c.*dprim);
    ar(1)=0;
    at(1)=1;
    br(1)=0;
    bt(1)=0;
    sigmar(1)=0;

    ar(n)=k.*ar(n-1)+l.*at(n-1);

    at(n)=kprim.*ar(n-1)+lprim.*at(n-1);

    br(n)=k.*br(n-1)+l.*bt(n-1) + m;

    bt(n)=kprim.*br(n-1)+lprim.*bt(n-1) + mprim;

   end; n=z+1;
   sigmar(z)=8500;

   sigmat(1)=(sigmar(z)-br(z))./ar(z);
   writef(1,['%s %0.15g '],'Sigmat= ',sigmat(1));
   for n=2:z;

    sigmar(n)= ar(n).*sigmat(1) + br(n);
    sigmat(n)= at(n).*sigmat(1) + bt(n);

    writef(1,['%s '],'____________________________________');
    writef(1,['%s %0.15g '],'n= ', n);
    writef(1,['%s %0.15g '],'r= ', r(n));
    writef(1,['%s %0.15g '],'C= ', c);
    writef(1,['%s %0.15g '],'Cprim= ', cprim);
    writef(1,['%s %0.15g '],'Dprim= ', dprim);
    writef(1,['%s %0.15g '],'F= ', f);
    writef(1,['%s %0.15g '],'Fprim= ', fprim);
    writef(1,['%s %0.15g '],'Gprim= ', gprim);
    writef(1,['%s %0.15g '],'G = ', g);
    writef(1,['%s %0.15g '],'Hi= ', hi);
    writef(1,['%s %0.15g '],'Hprim= ', hprim);
    writef(1,['%s %0.15g '],'k= ', k);
    writef(1,['%s %0.15g '],'kprim= ', kprim);
    writef(1,['%s %0.15g '],'L= ', l);
    writef(1,['%s %0.15g '],'Lprim= ', lprim);
    writef(1,['%s %0.15g '],'M= ', m);
    writef(1,['%s %0.15g '],'Mprim= ', mprim);
    writef(1,['%s %0.15g '],'Ar= ',ar(n));
    writef(1,['%s %0.15g '],'At= ',at(n));
    writef(1,['%s %0.15g '],'Br= ',br(n));
    writef(1,['%s %0.15g '],'Bt= ',bt(n));
    writef(1,['%s %0.15g '],'r= ',r(n));
    writef(1,['%s %0.15g '],'Sigmar= ',sigmar(n));
    writef(1,['%s %0.15g '],'Sigmat= ',sigmat(n));
    writef(1,['%0.15g %0.15g '], r(n),sigmar(n));
    writef(2,['%0.15g %0.15g '], r(n),sigmat(n));

   end; n=z+1;
  end %program basil

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%%%%%extra functions as needed by the translation %%%%%%%%%%%

function out=writef(fid,varargin)
% function out=writef(fid,varargin)
%  Catches fortran stdout (6) and reroutes in to Matlab's stdout (1)
%  Catches fortran stderr (0) and reroutes in to Matlab's stderr (2)
 if isnumeric(fid)
  if fid==6|fid==1, out=fprintf(1,varargin{:});fprintf(1,char(10));
  elseif fid==0,    out=fprintf(2,varargin{:});fprintf(2,char(10));
  elseif isempty(fid) %%treat empty array like a string array
   out=sprintf(varargin{:});
   if nargin>2 %set the calling var to out
    if ~isempty(inputname(1)), assignin('caller',inputname(1),out); end
   end
  else
   %translate unitIn to fidIn
   global unit2fid
   fidRow=find(unit2fid(:,1)==fid,1,'last');
   if isempty(fidRow), error(['unknown fid in readFmt',]); end
   fidIn=unit2fid(fidRow,2);
   out=fprintf(fidIn,varargin{:});fprintf(fidIn,char(10));
  end
 elseif ischar(fid)
  out=sprintf(varargin{:});
  if nargin>2 %set the calling var to out
   if ~isempty(inputname(1)), assignin('caller',inputname(1),out); end
  end
 else,              out=fprintf(fid,varargin{:});
 end
end