How to use i_temp function and load all data of simualtion?

i_temp=0;

for ftemp=[5:5:130,200:50:1000];
    i_temp=i_temp+1;
    load(['ZCodeDfig_',num2str(ftemp),'.mat']);
    ZCodeDfig
    f_fft(:,i_temp)=Vmagfinalfft;
    v_fft(:,i_temp)=Vfinal;
    if_fft(:,i_temp)=Imagfinalfft;
    i_fft(:,i_temp)=Ifinal;
    Z_fft(:,i_temp)=zftemp;
end

      figure
      y(ftemp)=dftemp;
      r(ftemp)=zftemp;
      stem(y,r);
      hold off

[Walter Roberson]

Your files: ZCodeDfig_NUMBER.mat in the file names you have stored, do the short numbers like 5 have leading 0 in the file name? ZCodeDfig_005.mat for example?

[Jaydeepkumar Patel]

Hello Thank you for your quick response it is not started from 0 it is ZCodeDfig_5.mat find attached file for your further reference.

[Walter Roberson]

Could you confirm that each .mat file contains at least two variables, one of which is a struct named Vabc575 and the other of which is a struct named Iabc575 and that the names of those variables do not change as the .mat file name changes?

[Jaydeepkumar Patel]

yes it is contained with same and do not change as the .mat file changes

Answer 1

[Walter Roberson]

Small improvement to the code, but nothing that would change the functioning.

i_temp=0;

for ftemp=[5:5:130,200:50:1000];
    i_temp=i_temp+1;
    datastruct = load( sprintf('ZCodeDfig_%d.mat', ftemp) );
    Vabc575 = datastruct.Vabc575;
    Iabc575 = datastruct.Iabc575;
    ZCodeDfig
    f_fft(:,i_temp)=Vmagfinalfft;
    v_fft(:,i_temp)=Vfinal;
    if_fft(:,i_temp)=Imagfinalfft;
    i_fft(:,i_temp)=Ifinal;
    Z_fft(:,i_temp)=zftemp;
end

[Jaydeepkumar Patel]

Thank you for your quick resonance.

[Jaydeepkumar Patel]

I tried with this code but no any changes get output at 1000 only and ftemp=[5:5:130,200:100:1000] so need to plot every frequency.

[Walter Roberson]

Your code

      y(ftemp)=dftemp;
      r(ftemp)=zftemp;

is after the for loop, so it is using the last value of ftemp, storing only into y(1000) and r(1000) . If that does not create an error with dftemp or zftemp being the wrong size, that would leave only a single point in y and r to stem() .

You are storing the zftemp values as you go along, in the line

      Z_fft(:,i_temp)=zftemp;

that is inside the for loop, but you do not appear to be storing the dftemp values as you go along. Checking your .m I see that dftemp is assigned ftemp.

Putting this together suggests,

ftemp_vals = [5:5:130,200:50:1000];

for i_temp = 1 : length(ftemp_vals);
    ftemp = ftemp_vals(i_temp);
    datastruct = load( sprintf('ZCodeDfig_%d.mat', ftemp) );
    Vabc575 = datastruct.Vabc575;
    Iabc575 = datastruct.Iabc575;
    ZCodeDfig
    f_fft(:,i_temp)=Vmagfinalfft;
    v_fft(:,i_temp)=Vfinal;
    if_fft(:,i_temp)=Imagfinalfft;
    i_fft(:,i_temp)=Ifinal;
    Z_fft(:,i_temp)=zftemp;
end

stem(ftep_vals, z_fft);

[Jaydeepkumar Patel]

hello Thank you for your quick response I tried with this code but there is an error in Zftemp and only at 1000 hz value coming.i do not understand why all output graph is not coming when i define all values for ftemp?

[Walter Roberson]

Can you zip up the .mat files and attach that so I can test ?

[Jaydeepkumar Patel]

sure, Thank you for your time and consideration. could you provide me your email address please file size around4 GB can't able to load here

[Walter Roberson]

google drive or dropbox works for me.

[Jaydeepkumar Patel]

Your E-mail id please?

[Jaydeepkumar Patel]

Could you please suggest me how to send data I do not know how to send file here if more then 5 MB?

[Walter Roberson]

You can post a google drive or dropbox URL.

[Jaydeepkumar Patel]

Please have a look https://drive.google.com/open?id=1lL0bAEtRS7cUaF2isZmqcSZnyGuPcdqn

[Walter Roberson]

In my code in https://www.mathworks.com/matlabcentral/answers/421033-how-to-use-i_temp-function-and-load-all-data-of-simualtion#comment_615271 correct the last line to

stem(ftemp_vals, Z_fft);

In your ZCodeDfig file, you plot to five different sub-plots, each time plotting information only about the current file. Then after the complete loop of reading files, you have the stem() call, which is going to plot into the active axes, which is subplot(3,2,5) because that is the one that ZCodeDfig happens to activate last.

So at the end, the top four plots are going to be left whatever is appropriate for the last file, and the bottom left plot is going to reflect all of the files.

If this is not what you want, then you are going to have to describe what you do want, how you want the data for all 43 files to be represented. Do you want 43 different figures drawn, one for each file? Do you want the waveforms for all 43 different files to be drawn on top of each other, which is unlikely to be legible ?

[Jaydeepkumar Patel]

Thank you for your quick response and explanation.Yes i want the data for all 43 files to be represented.yes i want to 43 different figures drawn, one for each file Do you want the waveforms for all 43 different files to be drawn on top of each other

[Jaydeepkumar Patel]

I tried with your suggestion but still, there is error i.e Error in DFIGLOOP (line 14) stem(ftemp_vals,z_fft);

I think something is missing because still only one output at 1000Hz figure

[Walter Roberson]

You did not correct the z to Z

If you want one figure for each file then before the ZCodeDfig call, add a call to figure()

You might also want to call figure() before the final

stem(ftemp_vals, Z_fft);

[Jaydeepkumar Patel]

Hello Thank you for your time and consideration i tried with stem(ftemp_vals, Z_fft); and it works for Z_fft but Vabc.575 Value is not coming and Iabc.575 value and Z value only coming in output.

[Walter Roberson]

You have

ftemp=[5:5:130,200:50:1000]

The first range, 5:5:130, stops before 575.

The second range, 200:50:1000, increments by 50s, and so includes 500, 550, and 600, but not 575.

The data you posted on Google Drive does not contain a file for 575.

[Jaydeepkumar Patel]

I understand your point but 575 is just name of Workspace data, not any value (Vabc575) is a full name only but after your explanation of call to figure.it is work as per my need Thank you so much for your time and consideration.