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oblivious


Active since 2012

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signal similarity measurement - cross-correlation
Hi, I am simulating an ultrasound imaging system. Here I need to compare two large time series using xcorr(). But, the comput...

mehr als 7 Jahre ago | 1 answer | 0

1

answer

Question


out of memory error
Hi, I ran a large Monte-Carlo simulation using a loop on a script (not function). After several iterations I got a Out Of Mem...

etwa 8 Jahre ago | 0 answers | 0

0

answers

Question


multi-core CPU to DCS
Hi everyone, I have worked on a project where I had several parallel programs using parfor. I have run the codes in my core i...

mehr als 8 Jahre ago | 1 answer | 0

1

answer

Question


legal issues regarding MATLAB document
Hello, This is not a programming issue. I am going to publish a paper in a journal where i need to use some definitions given...

mehr als 9 Jahre ago | 2 answers | 0

2

answers

Question


time elapsed by a portion of the code
Hello, I need to know how much time a particular portion of my code consumes. I tried MATLAB profiler. But it displays how mu...

mehr als 9 Jahre ago | 2 answers | 0

2

answers

Question


integration of samples
Hello, I have a sampled data and the sampling frequency is known. Is there any function that can find the area under the impl...

mehr als 9 Jahre ago | 1 answer | 0

1

answer

Question


hanning window
Hello, what is the difference between hanning and hann? They are both supposed to be returning hanning window sequences. -...

mehr als 9 Jahre ago | 2 answers | 0

2

answers

Answered
Matlab script question
first open that file and read data. use fopen, fscanf etc to read data

mehr als 9 Jahre ago | 0

Question


SNR in AWGN
Hello, i am trying to do some simulation of AWGN channel. matlab has a function awgn(x,snr). what kind of snr does it use her...

mehr als 9 Jahre ago | 2 answers | 1

2

answers

Question


replace a line of a file
Hello, we know that we can read the lines of a file by using fgetl or fgets. But i need a function that will replace the line...

mehr als 9 Jahre ago | 1 answer | 0

1

answer

Answered
How to delete the first line of a text file?
I could not put the file name as you wanted. but i did the rest of the things clear all; fclose('all') fid=fopen('old...

mehr als 9 Jahre ago | 0

| accepted

Answered
Angle between a vector and the positive X axis
you might want to consider all possible combinations i.e. 1st and 2nd quadrant. b=atan(m); if b<0 ang=pi+b; ...

mehr als 9 Jahre ago | 0

Question


problem with parfor variable
Hello, i have a large code. I am summarizing the problem using a simple code. parfor it=1:30 for jt=1:30 a(i...

mehr als 9 Jahre ago | 1 answer | 0

1

answer

Question


composites
hello, I have a code which processes a large data set. i tried to use spmd and distribute the data among the workers. but it di...

mehr als 9 Jahre ago | 0 answers | 0

0

answers

Question


spmd-parfor
Hello, i am trying to use PCT for a large for loop which uses a large data set used in ultrasound medical imaging. the loop r...

mehr als 9 Jahre ago | 1 answer | 0

1

answer

Question


to find variables in a string
Hello, this may be a simple problem. but i cant figure it out. I have a string which is acquired from an .m file through f...

mehr als 9 Jahre ago | 3 answers | 0

3

answers

Question


fscanf problem
hello, this is a very simple problem. but i cant figure it out. i have a text file. it contains a line 'read this line'. ...

mehr als 9 Jahre ago | 1 answer | 0

1

answer

Question


band pass filtering
Hi, I have a data sampled at 20MHz. I need to apply a bandpass filter centered at 5MHz and a bandwidth of 5MHz. I can do it by ...

mehr als 9 Jahre ago | 1 answer | 0

1

answer

Question


error handling
Hi, I am working for a thesis where i need to check some code automatically. whenever an error is encountered while running a...

mehr als 9 Jahre ago | 1 answer | 0

1

answer