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arvind ramasamy


Active since 2017

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Error using wavedec Expected X to be finite. Error in wavedec (line 34) validateattributes(x,{'numeric'},{'vector','finite','real'},'wavedec','X');
I am using wavedec to discritize my signal using 'db4' wavelet. my X = acceleration vector(9000 x 1) My X is finite. But I ...

6 years ago | 1 answer | 3

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Question


i am getting data from a sensor in serial communication, How to delete the first string i get from it
after connection i want to print just acc , gyro and mag values. I get 'initializationsuccessful' as my first data set . I dont...

6 years ago | 0 answers | 0

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Question


i am getting values from MPU 9250 IMU I am not using IMU with Arduino. I am using a developer kit.
data =fscanf(s,'%s') this save the value of the imu. when i see the values. it is displayed as '<info>app:MAG_VAL:000023;000...

6 years ago | 0 answers | 0

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Plotting only SOME of the points on a curve
I plot a voltage (12.4 to 10.8) over time from a instrument. Now i want to introduce markers only at the set points where it ch...

7 years ago | 2 answers | 0

2

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i have a problem in my code. I get data continous from an instrument. But at times i get a error message stated . what are the ways to overcome this error. I thought of TRY and Catch. Is it possible???
Index exceeds matrix dimensions. Error in Battery_check_new (line 107) I_eLOAD(i,:) = str2double(Data...

7 years ago | 0 answers | 0

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Question


I want to run it for 5 times for different 'Current' so I manually change the value. So now I want to make it automatic
Amp=1; while(exit) i=i+1; tic %reference = S(i); % fprintf(eLOAD_instr, 'curr %2f'...

7 years ago | 0 answers | 0

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How to detect lipo battery % charge left?
Can some one tell me how to estimate the percentage of charge. charge = current/ time is enough or we have to include other f...

7 years ago | 1 answer | 0

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Question


I wish to know how to automatically draw a constant current , each time the program runs.
for example, Amp = [1,2,3,4,5] fprintf(eLOAD_instr, 'curr %2f',Amp(0)) , I change Amp(1), Amp(2) each time program runs. ...

7 years ago | 1 answer | 0

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Question


I want to save a mat. file each time the program runs with a different name.
for example, when I run program for the first time i want to save it as ' text1.mat' second time 'text2.mat' etc...

7 years ago | 1 answer | 0

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