1. A question about maple when use "solve" to solve transcental equation

I have to solve this two equation for 50 times.But when the programme

compute for some times,it will report a error. I don't know how to

deal

with it.

If you know,tell me and I will thank you.

I post the program and the error in the

following.

??? Error using ==> maple

Error, integer too large in context

On line 33 ==> v = maple('indets', sc ,'symbol');

Error in ==> G:\Matlab6.5\toolbox\symbolic\solve.m

On line 121 ==> total_vars = length(sym([ '[' findsym(seqns) ']'

]));

On line 49 ==> [varargout{1:max(1,nargout)}] = solve(S{:});

Error in ==> D:\Fanxp\Thesis\Papers\Matlab\test.m

On line 54 ==> ll1=solve(tequ1);

tic;

ST=50;

N=100;

m=1000;

Roots=zeros(5,ST);

equ1='(N-1)*(1-(1-x)^(1/N))/x=f';

equ2='1-exp(-z*x)=x';

NN=num2str(N);

equ1=subs(equ1,'N',NN);

init=1.01;

for i=1:ST

maple clear;

disp('time');

disp(i);

Roots(1,i)=init;

Roots(2,i)=log(Roots(1,i)./m)./(Roots(1,i)./m - 1);

%zz1=num2str(Roots(1,i));

%zz2=num2str(Roots(2,i));

f=Roots(1,i);

z=Roots(2,i);

disp('solve equ1');

tequ1=subs(equ1,'f',f);

tequ2=subs(equ2,'z',z);

ll1=solve(tequ1);

ll2=solve(tequ2);

xx1=numeric(ll1);

xx2=numeric(ll2);

for j=1:length(xx1)

if(xx1(j)~=0)

Roots(3,i)=xx1(j);

end

end

for j=1:length(xx2)

if(xx2(j)~=0)

Roots(4,i)=xx2(j);

end

end

Roots(5,i)=Roots(3,i).*Roots(4,i);

init=init+0.1;

end

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