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Re: how to solve this error mesages from this program?

From: Insang HWANG
Subject: Re: how to solve this error mesages from this program?
Date: Thu, 7 Feb 2019 19:23:51 +0900

Thank you for your comment. 
Actually,my symbolic has no problem, but there happened so many errors of unidentified messages which were defined by symbolic.

Could you run my program of rbckato.m at Octave attached at this slides? 

I guess you would know what I am asking about? 

There are several matrix uncalculated.

Thank you again.


On Thu, Feb 7, 2019, 6:33 PM Doug Stewart <address@hidden> wrote:

On Thu, Feb 7, 2019 at 12:32 AM gwestern <address@hidden> wrote:
Hello Folks,

I am very thankful to many good guidnances from Nicholas and others for the
problem of symbolic.
By the way, the next problem is to run this program  RBCkato.m

Well, I ran this program by matlab and then matlab prosecute it
succcessfully and gave a result.
However, when I use Octave and ran this; then there happpens many errors;
so many errors massages could not be copied all here.

some of thems:
1) >>        syms  ct   kt  lt  rt  vt  ca   ka    la  ra  va  ;

warning: the 'syms' function belongs to the symbolic package from Octave
which you have installed but not loaded.  To load the package, run 'pkg
load symbolic' from the Octave prompt.

What part of the above message do you not understand?


**my comments: actually, my symbplic is working good and no problem.

2) error: 'va' undefined near line 2 column 14
>>        wt = (1-alpha)*vt*(kt/lt)^alpha;
error: 'vt' undefined near line 1 column 23
>>    % Optimal Conditions  & state transition
>>        labor   = lt^lamda-wt/(myu*ct^sigma) ;       % LS = LD
 error: Invalid call to lt.  Correct usage is:  -- lt (X, Y)

3)  >>    [W, V] = eig(A);
error: 'A' undefined near line 3 column 15
>>    Q = inv(W);
error: 'W' undefined near line 1 column 12
>>    %W*V*Q;
>>    theta = diag(V); error: 'V' undefined near line 2 column 17

4)  error: operator *: nonconformant arguments (op1 is 0x0, op2 is 2x1)
>>       SY = [S1' ;S]  ;
error: vertical dimensions mismatch (1x2 vs 24x0)
>>       X = (real(P)*SY')';
error: 'SY' undefined near line 1 column 20

All these similar kinds of errors were happened.

But when i use matlab, there are no such problems and showed the results!

Could you guide me to solve this problem at Octave?

Thank you very much!


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