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nanren888


Last seen: 1 month ago
43 total contributions since 2011

I've been doing this a while & tend to be busy. (I don't come here often)
Programming, objects, signal processing, statistical signal processing, machine learning (for engineering).
.
Ok, I was keen to enter lat&long, but how does that link below help? All I got was a map.
Professional Interests: signal processing, oceanography

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nanren888's Badges

  • 3 Month Streak
  • Knowledgeable Level 2
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Answered
Yet another create, numbered, figures with visible off
set(0,'CurrentFigure',fH) appears to select the figure, but not make it visible.

2 months ago | 0

Question


Yet another create, numbered, figures with visible off
I have a loop. reuses figures, as matlab grinds to a halt with too many figures open. Currently by numbering inside for loop ...

2 months ago | 2 answers | 0

2

answers

Question


2019a windows insists on downloading
2019a setup download only no problem setup --> downloading (cancel) into directory of download setup --> downloading (canc...

1 year ago | 0 answers | 0

0

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Question


regexp for time - cannot guess it
regexp('123456.00','(?<hh>\d{2})(?<mm>\d{2})(?<ss>\d{2})\.(?<ff>\d{2})','names') ans = struct with fields: hh: '12' ...

1 year ago | 2 answers | 0

2

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Answered
make two while loop work parallely
Sure, run two Matlabs. Why?

1 year ago | 0

Answered
I have the following code. The values of displ in stage1 and stage2 are plotted in displ vs time graph. Thus a single curve is obtained.
Is this the sort of thing you are looking for? displ=zeros(100,2) tim=zeros(100,1) stageOneMask = false([100,1]); stageTwo...

1 year ago | 1

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Answered
remove specific array in struct
account = struct('owner','Harry','balance',0,'number',42) account = struct with fields: owner: 'Harry' balanc...

1 year ago | 0

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Answered
selecting and extracting contiguous points as one event
tt = linspace(0,12,1001); s= sin(tt); th = 0.4; nnz(diff(s-th)); dd = [0,diff((s-th)>0)>0.5]; plot(tt,s,tt,dd); grid('on')...

1 year ago | 0

Answered
matrix dimensions must agree.
>> whos Name Size Bytes Class Attributes a 1x1 8 double b...

1 year ago | 0

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Answered
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
% % Header explaining things, like purpose, author, date, purpose of homework? % % BTW: If you access the data by loop iterat...

1 year ago | 0

Question


install from downloaded files
I'm sure it's an old question. Every time I download (only) to install on work computers & home. Every time, I search & se...

2 years ago | 2 answers | 0

2

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Answered
how to simulate radar echo signal with time delay and doppler shift without using phased array toolbox if the direct signal is 16-ary QAM modulated
Perhaps you can write the analytic expression for the returned signal as a function & call this with the required delay & Dopple...

3 years ago | 1

Answered
Calculate and Plot Fourier function
>> tmp01 Error using * Inner matrix dimensions must agree. Error in tmp01 (line 17) A4 = cos(n*2*pi*Fm*t-2*pi*Fc*t); ...

3 years ago | 0

Question


Printing source in the editor to A3 paper comes out as A4 on an A3 page. Any help?
Anyone point me to a viable set of settings to print source from the standard windows Matlab editor to A3 paper? R2102b edito...

7 years ago | 0 answers | 0

0

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Answered
2013b editor tabs ordering? (at the top, not ^I, HT)
Thanks, Context menu - not preferences. I found the alphabetize. Not ticked. Also found the - position - not available throu...

7 years ago | 0

Question


2013b editor tabs ordering? (at the top, not ^I, HT)
In 2013b the editor tabs, for multiple files, behave differently. (1) Anyone know whether I can revert the behaviour to that of...

7 years ago | 2 answers | 1

2

answers

Answered
R2013a editor slow to respond to edits?
Well, yes it affects it. Score one for a dependence. :) With the code analyser off, it is not as slow, but still noticeably...

7 years ago | 0

Question


R2013a editor slow to respond to edits?
Win7-64, 3+GHz i7, 32GB RAM, java heap maxed out, ... I find the R2013a editor very slow to respond to keypresses on files th...

7 years ago | 7 answers | 2

7

answers

Question


GUIDE - a perpetual loop affected by GUI - advice sought - threading model confusing
I have what I guess is not so uncommon a model. A perpetually repeating loop does processing & display. I want to affect the pro...

7 years ago | 0 answers | 0

0

answers

Answered
How to increase number of lines in contour plots?
help contour? ... contour(Z, N) and contour(X, Y, Z, N) draw N contour lines, ... ... contour(Z, V) and contour(X, Y, Z,...

7 years ago | 1

Answered
Pass GUI variables to base workspace in real-time
Is the assignin() in a GUI callback? I guess these callbacks will not run, be queued if the main-line does nothing to let anoth...

7 years ago | 0

Question


syntax for call to java library function with byte[] (reference) parameter?
Sockets, again. Where I am: I have cast & typecast to make my data look like uint8. I have socket & getInputStream & Bu...

7 years ago | 4 answers | 3

4

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Answered
I need help with the error :Subscript indices must either be real positive integers or logicals.
Sorry a little too hard to read & simulate your file to put the time in just at the moment. . I'd start by putting these lines...

7 years ago | 0

Answered
Element wise multiplication by a vector
I guess it is the definition of matrix multiply that is getting in your way. Maybe have a look at diag(V). It will cost yo...

7 years ago | 0

Answered
matrix manipulation,want to find mean value?
"subtracts this with" ? . Try something like . homeworkVec = mean(W(1:4,:),1)-mean(W(5:7,1),1); In mean(x,1), the...

7 years ago | 0

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Answered
Experiences with release 2012b
My votes: *Ribbon: hid it. (ugly & used WAY TOO MUCH space, even with my widescreen in portrait) Added the buttons I want to ...

8 years ago | 1

Answered
how create coordinate array?
huda nawaf, Interesting that the Mathworks copyright is still in the code you are using. It is not clear what is added to gp...

8 years ago | 0

Answered
Converting Excel columns to a vector
Are the columns always the same length? If the dimensions, length of hf(:,i) & c are different you may need to consider hf...

8 years ago | 0

Answered
How to crop arrays using a vector? (reverse of padarray)
Sorry I do not know paddarray, so maybe I am answering the wrong question. I can give you parts of a way to do it. There ma...

8 years ago | 1

Answered
Using find and allocating answer to an array
Sorry, I don't get where "acc" comes into it. You could try totalPlocations = zeros(size(peakamp)); peakamp = unique(pe...

8 years ago | 0

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