Create offset in one of the 2 datasets

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Steen 2022-11-9

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评论： Steen 2022-11-23

I have two files one .fig file and one .txt file

I know how to merge the two datasets. But how do I make an offset in time on the .txt file. I need to offset 6 sec and I have a log of each 2 mS

 figfile = 'IBox 100-100 - Copy.fig';
            datafile = 'V164_Backup_KK_Con_Test1_Step1_100_100_Rev1_removed_header.txt';
            fig = openfig(figfile);
            T = readtable(datafile,'Format','auto');
            T1 =T;
            T1.DCOUTPOWERKW = (T1.DCOUTV .* T1.DCOutA ./1000);
            T1.VFDPOWERKW = (T1.VFDV .* T1.DCOutA./1000);
            hold on
            t = T1.TIME;
            P = T1.Properties.VariableNames(2:end);
            for K = 1 : length(P)
                fn = P{K};
                plot(t, T1.(fn), 'DisplayName', fn);
            end
            hold off
            set(gcf, 'visible', 'on')
            legend show

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Steen 2022-11-22

在 MATLAB Online 中打开

When trying plot(t+seconds(6), T1.(fn), 'DisplayName', fn); I get the below error
"Data inputs must match the axis configuration. A numeric axis must have numeric data inputs or data inputs which can
be converted to double."
My inputfile contain one line for each 2mS see below (so I want to start with line 3300)
"TIME","DC OUT V","VFD V","STRING1 V","STRING2 V","String 1 A","String 2 A","DC Out A"
 +0.000000000E+000,+5.29000E+002,+5.29000E+002,+4.34000E+002,+5.48000E+002,+2.00000E-001,+0.00000E+000,+1.81200E+002
 +2.000000000E-003,+5.29000E+002,+5.20000E+002,+4.38000E+002,+5.55000E+002,+2.20000E+000,+8.00000E-001,+1.34200E+002
 +4.000000000E-003,+5.30000E+002,+5.31000E+002,+4.42000E+002,+5.53000E+002,+8.00000E-001,+2.00000E-001,+1.77600E+002
 +6.000000000E-003,+5.29000E+002,+5.26000E+002,+4.35000E+002,+4.92000E+002,-2.20000E+000,+2.00000E-001,+1.67200E+002
 +8.000000000E-003,+5.27000E+002,+5.27000E+002,+4.36000E+002,+4.99000E+002,-1.60000E+000,+6.00000E-001,+1.35600E+002
 +1.000000000E-002,+5.30000E+002,+5.27000E+002,+4.40000E+002,+5.71000E+002,+2.00000E+000,+6.00000E-001,+1.81000E+002
        

Walter Roberson 2022-11-22

Yes, that does appear to be numeric time in seconds.

Steen 2022-11-23

thanks it is working with t+6

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Create offset in one of the 2 datasets

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