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ihab


Last seen: 3 years ago |  Active since 2015

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Question


loop a script on my dataset file.
i have script that input a dataset from file and output a fig. i want to make script that loops on all dataset file one by one...

4 years ago | 0 answers | 0

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answers

Question


how to save all output of a loop in a matrix. the loop run throug 200 files dataset and return column vector of 800 points each iteration , i need to have 200x800 matrix as result

5 years ago | 1 answer | 0

1

answer

Question


how to save all output of a loop in a matrix. the loop run throug 200 files dataset and return column vector of 800 points each iteration , i need to have 200x800 matrix as result

5 years ago | 1 answer | 0

1

answer

Question


i have a matlab code for feature extraction, how i apply this code to all my dataset in a file .without applying it one at atime.
i have a Matlab code for feature extraction, how i apply this code to all my dataset in a file .without applying it one at a tim...

5 years ago | 1 answer | 0

1

answer

Question


two pass split window filter
i have spectrogram time X frequency matrix ,with peaks that i want, and noise that i dont want, so, how to use two pass split w...

6 years ago | 1 answer | 0

1

answer

Question


i have S 300x800 data set matrix , i need code for replacing coloumns
i have S 300x800 data set matrix , i need code for replacing column 120 with 50,and 120 with 121,and 240 with 100 and 240 with ...

6 years ago | 2 answers | 0

2

answers

Question


i have nonseperable data , want to use svm kernel trick,
i have the 2 class data shown in the attached, i want to use kernel trick in svm to get the best classification .

6 years ago | 0 answers | 0

0

answers

Question


i want to add 2 signals with different freq.
i have this SCREW (t)=A0*cos(PHI0*t)+A1*cos(PHI1*t)+A2*cos(PHI2*t)+A3*cos(PHI3*t); the result always A0*cos(PHI0*t) only if i...

7 years ago | 0 answers | 0

0

answers

Question


send variable to workspace
i have a code starting with a function, the only variable i get in the workspace is 'ans'. i have other variables inside my cod...

7 years ago | 2 answers | 0

2

answers

Question


i want to get variable in the work space
i want to get a variable in the work space ; i can display it in the command window but not saved in the work space.

7 years ago | 0 answers | 0

0

answers

Question


every time i plot signal spectrum from 0-250 ,its flat between o-100
i have a signal consists of multiple frequencies plus noise , when i use SPECTRUM = db(abs(TEMPFFT(512:-1:1))) to plot spectr...

8 years ago | 0 answers | 0

0

answers

Question


index must be a positive integer or logical
this is part of my code with SPEED=8 ASPECT=30 DOPPLER = 2925/(2925 + SPEED*cos(ASPECT)); TONE_A=88*DOPPLER; atten(T...

8 years ago | 1 answer | 0

1

answer

Question


why i cant have a=zeros(1:200)?
i get these message "Error using zeros Maximum variable size allowed by the program is exceeded" when i use a=zeros(1:200)

8 years ago | 2 answers | 0

2

answers