Saving a function data to a text file
in [Matlab]
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From: Jose on 26 Jun 2010 22:34 I want to know how I can save the data of the following output function into a an external text file. But I am getting this problem, ??? Error using ==> fwrite Cannot write value: unsupported class sfit Error in ==> Read_Multiple_Photos at 148 fwrite(fid,createSurfaceFit(rows,columns,intensity_1), '\n'); My algorithm, text_file = ['Data_out1' '.txt']; fid = fopen(text_file,'w'); fprintf(fid,' A Ib Sigma x_o y_o Photo_File \n' ); fwrite(fid,createSurfaceFit(rows,columns,intensity_1), '\n'); The function output is: General model: ans(x,y) = A*exp(-(((x-x_o)^2+(y-y_o)^2)/(2*sigma^2)))+Ib Coefficients (with 95% confidence bounds): A = 7751 (7584, 7919) Ib = 579.8 (552.6, 607.1) sigma = 1.739 (1.71, 1.768) x_o = 7.211 (7.173, 7.248) y_o = 10.12 (10.08, 10.15)
From: us on 27 Jun 2010 02:36 "Jose " <darkz0n3(a)hotmail.com> wrote in message <i06das$glg$1(a)fred.mathworks.com>... > I want to know how I can save the data of the following output function into a an external text file. > > But I am getting this problem, > ??? Error using ==> fwrite > Cannot write value: unsupported class sfit > Error in ==> Read_Multiple_Photos at 148 > fwrite(fid,createSurfaceFit(rows,columns,intensity_1), '\n'); > > My algorithm, > > text_file = ['Data_out1' '.txt']; > fid = fopen(text_file,'w'); > fprintf(fid,' A Ib Sigma x_o y_o Photo_File \n' ); > fwrite(fid,createSurfaceFit(rows,columns,intensity_1), '\n'); > > The function output is: > > General model: > ans(x,y) = A*exp(-(((x-x_o)^2+(y-y_o)^2)/(2*sigma^2)))+Ib > Coefficients (with 95% confidence bounds): > A = 7751 (7584, 7919) > Ib = 579.8 (552.6, 607.1) > sigma = 1.739 (1.71, 1.768) > x_o = 7.211 (7.173, 7.248) > y_o = 10.12 (10.08, 10.15) well... obviously you first must extract the data you want to save from the object, which seems to be returned by CREATESURFACEFIT... see its help... or methods createSurfaceFit; us
From: ImageAnalyst on 27 Jun 2010 10:33 Yes, plus the fact that '\n' is not allowable as the "machineprecision" third argument. It needs to be something like 'int32' or 'double'. Maybe you thought you were using fprintf() (like you did in the first statement) instead of fwrite().
From: Jose on 27 Jun 2010 14:31 ImageAnalyst <imageanalyst(a)mailinator.com> wrote in message <39eaf608-bf6f-4258-80f1-a4113032e847(a)x21g2000yqa.googlegroups.com>... > Yes, plus the fact that '\n' is not allowable as the > "machineprecision" third argument. It needs to be something like > 'int32' or 'double'. Maybe you thought you were using fprintf() (like > you did in the first statement) instead of fwrite(). But I cant get or see in any way the results because the format in the workspace is 1x1 sfit. Any idea of how to get it?
From: us on 27 Jun 2010 14:49
"Jose " <darkz0n3(a)hotmail.com> wrote in message <i085d9$hv6$1(a)fred.mathworks.com>... > ImageAnalyst <imageanalyst(a)mailinator.com> wrote in message <39eaf608-bf6f-4258-80f1-a4113032e847(a)x21g2000yqa.googlegroups.com>... > > Yes, plus the fact that '\n' is not allowable as the > > "machineprecision" third argument. It needs to be something like > > 'int32' or 'double'. Maybe you thought you were using fprintf() (like > > you did in the first statement) instead of fwrite(). > > But I cant get or see in any way the results because the format in the workspace is > 1x1 sfit. Any idea of how to get it? did you look at what i told you earlier(?)... us |