The data smoothing example from
http://octave.sourceforge.net/data-smoothing/function/regdatasmooth.html fails
with:
rose@thinkpad:/home/rose(2)$ octave
GNU Octave, version 3.4.0
Copyright (C) 2011 John W. Eaton and others.
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warning: function
/usr/libexec/octave/packages/miscellaneous-1.0.9/i686-pc-linux-gnu-api-v47+/hex2num.oct shadows a core library
function
warning: function /usr/share/octave/packages/optim-1.0.12/fminbnd.m
shadows a core library function
warning: LOADPATH is now a function instead of a built-in variable.
By assigning to LOADPATH, you have created a variable that hides the
function LOADPATH. To remove the variable and restore the function,
type "clear LOADPATH"
octave:1> npts = 100;
octave:2> x = linspace(0,2*pi,npts)';
octave:3> x = x + 2*pi/npts*(rand(npts,1)-0.5);
octave:4> y = sin(x);
octave:5> y = y + 1e-1*randn(npts,1);
octave:6> yp = ddmat(x,1)*y;
octave:7> y2p = ddmat(x,2)*y;
octave:8> [yh, lambda] = regdatasmooth (x, y,
"d",4,"stdev",1e-1,"midpointrule");
error: Invalid call to fminunc. Correct usage is:
-- Function File: fminunc (FCN, X0)
-- Function File: fminunc (FCN, X0, OPTIONS)
-- Function File: [X, FVEC, INFO, OUTPUT, GRAD, HESS] = fminunc (FCN,
...)
error: called from:
error: /usr/share/octave/3.4.0/m/help/print_usage.m at line 87, column 5
error: /usr/share/octave/3.4.0/m/optimization/fminunc.m at line 95, column 5
error:
/usr/share/octave/packages/data-smoothing-1.2.0/regdatasmooth.m at
line 117, column 17
