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# dpb

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4.534 total contributions since 2012

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Histogram with data frequency
nc=accumarray(X.',Y.'); bar(1:numel(nc),nc)

etwa 14 Stunden ago | 0

avoid inserting input as a string with ' '
"So in case i want to call my input variable (valuesSwitched) in the second case one or two, I should ALWAYS use a string like '...

etwa 14 Stunden ago | 0

Making Frequency vs. Time Plot from FFT using EEG Data
Sampling frequency, Fs = 2 kHz --> dt = 1/Fs Fmax = 1/2dt --> Fs/2 --> Fmax = 1 kHz The signal is sampled such that baseband ...

etwa 18 Stunden ago | 0

How to convert numbers into characters other than in the range 32-127?
Because >> A = [10, 23, 90, 125, 145, 250]; B = char(A) B = ' Z}ú' >> double(' Z}ú') double(' ...

etwa 22 Stunden ago | 1

Changing where divisions appear on a Matlab plot
hAx=gca; hAx.YAxisLocation='origin'; hAx.XAxisLocation='origin'; A little overkill on the number of x,y points isn't it...

2 Tage ago | 0

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Varying Font Size Within individual words
Amazing how the same or similar queries seem to come in bunches... <Answers/515556-how-do-i-change-the-appearance-of-a-tick-lab...

2 Tage ago | 0

skip the value in for-loop
AMENDED: Probably simplest is just a = 27; c = 11; m = 54; x(1)=2; for i=2:25 x(i) = (mod(a * x(i-1)+c ,m)); end x=x...

3 Tage ago | 0

Display mean of data on a boxchart
"??? There's a boxplot, no info on boxchart" Well, bless their little pea-pickin' hearts but TMW has done it again...introduce...

3 Tage ago | 1

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How do I change the appearance of a tick label over a number of iterative values through a pre-exisitng tick label?
Think you can do what you want or at least a reasonable facsimile thereof w/ basic 'TeX' interpreter -- 'LaTeX' is such a pain t...

3 Tage ago | 0

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Readmartix function removes first blank row
Well, let's quit hypothesizing and just see what happens... % BB-M.xlsx has reshape(3:8,2,[]) at C2 upper left corner >> n=xls...

3 Tage ago | 0

how can i create a array of letters from a sentence
txt="Here's to ..."; % truncated for brevity of posting but contains above as string variable... Engine: t=char(txt).'; ...

3 Tage ago | 2

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How to change a line in .txt file by importing a name, from a loop
OK, not knowing which is the anwer really wanted but apparently from above comment just concatenating the two columns in the tab...

3 Tage ago | 0

Order of elements inside sqrt/exponentiation changes ode output
Addition is mathematically associative so that x-1+mu == x+mu-1 identically but that isn't necessarily an identity in floating p...

3 Tage ago | 0

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How to change a line in .txt file by importing a name, from a loop
OK, given a row and text to be in said row in the alternate file, that's pretty simply done--I'll also illustrate the newfangled...

4 Tage ago | 0

Forming loop to perform same action
Thres = 0.17; istrue1=((x>= 928 & x<=1139) & y>=Thres) | ... ((x>=2527 & x<=2856) & y>=Thres) | ... ((x>=4113...

4 Tage ago | 0

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how to store even and odd strings into 2 seperate vectors using mod function
Whassup w/ this thing about alternative storage of odd/even indices all of a sudden??? <Answers/514742-how-to-separate-an-array...

4 Tage ago | 0

How to recursively add symbol in a for loop?
Don't try to catenate all with text operators; use sprintf (or possibly some of the new string class functionality that includes...

4 Tage ago | 0

alternative form for find(max(x))
if rand >= gamma [~,imx]=max(A(s(1),s(2),:); a=imx; else a = randi(nodes); end

4 Tage ago | 0

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How to seperate an array into two?
Not a good idea still unless is homework...there are any number of ways to do so; about as simple as any would be for i=2:2:num...

6 Tage ago | 0

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I am working on a certain problem but the end result is a single value repeated for n elements.
Incorporating comments from the stream above in result...using your code and loop would look something like %%Task 1 %Assignin...

7 Tage ago | 0

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How can I randomly select a subset of logicals?
Nmatch=20; % don't bury data in code; use variables for a variable factor isM=find(v); % population of indices that mat...

8 Tage ago | 0

FFT using excel data
0Hz is the DC component...if your signal is not zero mean, then the mean will be the DC component. To eliminate it, subtract ...

8 Tage ago | 1

how do I extract time series?
>> which time C:\ML_R2019b\toolbox\matlab\bigdata\@tall\time.m % tall method >> which day C:\ML_R2019b\toolbox\matlab\timefu...

8 Tage ago | 0

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From nested structure to table in one line of code
Will need some additional cleanup, but the basic tranformation is as >> T=struct2table(struct2array(S)); >> T(1:10,:) ans = ...

8 Tage ago | 0

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Negative zero when writing to file
The problem is one of rounding/floating point precision. The cos(3*pi/2) is mathematically zero, indeed, but it isn't quite so ...

9 Tage ago | 1

Import files from a folder into Matlab and create a file list
d=dir('*.json'); for i=1:numel(d) vals{i} = jsondecode(fileread(d(i).name)); ...

9 Tage ago | 0

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Finding yearly average of data in a matrix
Of course there is..."grouping variables" [meanByYear,yr,yrcounts]=groupsummary(iceArea(:,2),iceArea(:,1),'mean');

9 Tage ago | 0

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Finding full graph / minimum without an x range
Well, with such disparate magnitudes in terms, the interesting part is somewhat harder to envision...the second part goes to +in...

9 Tage ago | 0

extracting a and b beta parameters from distribution fitter app
If your save object is mybetaObject then myBetaObject.ParameterValues % both a, b or myBetaObject.a myBetaO...

10 Tage ago | 0

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