Mbot at 13:33, 8 November 2011

2011-11-08T13:33:18Z

← Older revision		Revision as of 09:33, 8 November 2011
Line 27:		Line 27:
	Problem type appears to be: cls		Problem type appears to be: cls
	clsAssign: WARNING - empty y, e.g. solver NLSSOL will not work		clsAssign: WARNING - empty y, e.g. solver NLSSOL will not work
	Time for symbolic processing: 0.~~071521~~ seconds		Time for symbolic processing: 0.037954 seconds
	Starting numeric solver		Starting numeric solver
	The problem has 6 variables (Columns), slsSolve adds unbounded variables (Columns) 7 to 321		The problem has 6 variables (Columns), slsSolve adds unbounded variables (Columns) 7 to 321
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	TOMLAB - TOMLAB Development license 999007. Valid to 2011-12-31		TOMLAB - TOMLAB Development license 999007. Valid to 2011-12-31
	=====================================================================================		=====================================================================================
	Problem: --- 1: Problem 1 f_k ~~5961~~.~~234750551501700000~~		Problem: --- 1: Problem 1 f_k 6110.439351709240300000
	sum(\|constr\|) 0.~~000000000000379391~~		sum(\|constr\|) 0.000000000000353162
	f(x_k) + sum(\|constr\|) ~~5961~~.~~234750551501700000~~		f(x_k) + sum(\|constr\|) 6110.439351709240300000
	f(x_0) ~~14525~~.~~935903875441000000~~		f(x_0) 15056.768801840182000000

	Solver: snopt. EXIT=0. INFORM=1.		Solver: snopt. EXIT=0. INFORM=1.
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	ResEv 4 JacEv 4 Iter 3 MinorIter 10		ResEv 4 JacEv 4 Iter 3 MinorIter 10
	Elapsed time: 0.~~025000~~ sec.		CPU time: 0.015600 sec. Elapsed time: 0.006000 sec.

	</pre>		</pre>

	[[File:tomsym_curvefit_01.png]]		[[File:tomsym_curvefit_01.png]]

Mbot: Created page with "{{Part Of Manual|title=the TomSym Manual|link=TomSym Manual}} % Data from Yalmip example x = [1 2 3 4 5 6]'; t = (0:0.02:2*pi)'; a = [sin(t) si..."

2011-11-02T21:01:35Z

Created page with "{{Part Of Manual|title=the TomSym Manual|link=TomSym Manual}} <source lang="matlab"> % Data from Yalmip example x = [1 2 3 4 5 6]'; t = (0:0.02:2*pi)'; a = [sin(t) si..."

New page

{{Part Of Manual|title=the TomSym Manual|link=[[TomSym|TomSym Manual]]}}

<source lang="matlab">
% Data from Yalmip example
x = [1 2 3 4 5 6]';
t = (0:0.02:2*pi)';
a = [sin(t) sin(2*t) sin(3*t) sin(4*t) sin(5*t) sin(6*t)];
e = (-4+8*rand(length(a),1));
e(100:115) = 30;
y = a*x+e;

% Define the decision variable
toms 6x1 x_hat

% x_hat and the regressors a define the residuals with y
residuals = y-a*x_hat;

%The L2 problem is solved as a QP problem without any constraints.
options = struct;
options.norm = 'L2';
solution = ezsolve(residuals,[],[],options);

plot(t,subs(a*x_hat,solution),'-',t,y,'.')
</source>

<pre>
Problem type appears to be: cls
clsAssign: WARNING - empty y, e.g. solver NLSSOL will not work
Time for symbolic processing: 0.071521 seconds
Starting numeric solver
The problem has 6 variables (Columns), slsSolve adds unbounded variables (Columns) 7 to 321
These extra variables is the objective residual values

The problem has 0 linear constraints (Rows)
The problem has 0 nonlinear constraints (Rows)
The problem has 315 residuals, by slsSolve defined as constraint (Row) 1 to 315
===== * * * =================================================================== * * *
TOMLAB - TOMLAB Development license 999007. Valid to 2011-12-31
=====================================================================================
Problem: --- 1: Problem 1 f_k 5961.234750551501700000
sum(|constr|) 0.000000000000379391
f(x_k) + sum(|constr|) 5961.234750551501700000
f(x_0) 14525.935903875441000000

Solver: snopt. EXIT=0. INFORM=1.
SNOPT 7.2-5 NLP code
Optimality conditions satisfied

ResEv 4 JacEv 4 Iter 3 MinorIter 10
Elapsed time: 0.025000 sec.

</pre>

[[File:tomsym_curvefit_01.png]]

TomSym Least squares example - Revision history

Mbot at 13:33, 8 November 2011

Mbot: Created page with "{{Part Of Manual|title=the TomSym Manual|link=TomSym Manual}} % Data from Yalmip example x = [1 2 3 4 5 6]'; t = (0:0.02:2*pi)'; a = [sin(t) si..."