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# dpb

##### Last seen: Today
4,400 2012 年以降の合計貢献数

#### dpb's バッジ

Geomean on returns with negative values?
Use GR=100*(prod(1+R/100)^(1/numel(R))-1); where R is the rate of return for the period. Example: >> R=[9 1 2 3 -1]; ...

1日 前 | 1

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Linear fit to log x axis scatter and correlation calculation
You forgot to attach the data so made something up... x=1:10; y=sort(lognrnd(10,1,1,10)); b=polyfit(x,log10(y),1); yf=10.^po...

1日 前 | 0

Matlab Number Precision Affects the Results
Use ismembertol instead. And read up on floating point precision at <What Need to Know About Floating Point>

1日 前 | 1

How to do Table Look-up?
If all observations are extant but just missing some timesteps, then vars=unique(data(:,1),'stable'); % unique variable name...

3日 前 | 0

how to plot to get four plots of descriptive statistics in one figure
Revised to use the real data and the fitted statistics...as noted above, you can't represent these distributions at all fairly b...

3日 前 | 0

Importing data with unequal number of column
The problem is the file has embedded \n in what should be unbroken records. Whether this came from the original creation of the...

4日 前 | 0

How do i get my code to read the updated csv table instead of the old table?
It would be better to follow IA's suggestion of fixing the grades in memory and updating the file, but... Your logic error here...

4日 前 | 0

Extracting second number after comma within parenthesis
Slightly modified version following IA's direction using newer string parsing functions that can do much of what regexp expressi...

4日 前 | 1

Make entries of first row and column of matrix all equal to zero.
Modestly different approach...instead of having to clear row/column, just don't write into them to start with: N=10; ...

5日 前 | 0

how to plot to get four plots of descriptive statistics in one figure
You haven't kep the underlying data in the summary statistics so can't do the histogram from those statistics alone. It's simpl...

5日 前 | 0

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Create an Array with zeroes and sevens
function charge=chargeprofile(start,chargetime,kW) % return charging profile for half hour increments over 24-hr day % given s...

5日 前 | 0

Performing operations on non-uniform data
t=timetable(datetime(final_data(:,1),'ConvertFrom','posixtime'),final_data(:,2)); % build timetable t20=retime(t,'regular','ne...

6日 前 | 1

Changing properties of several lines in a plot containing hundreds of lines
Save the line handles when you plot... [T,X]=odexx(...) hL=plot(T,X); ix=find(X(end,:)>0.01); set(hL(ix),'LineWidth',2) ...

6日 前 | 1

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How to read a binary file with below description?
Well, one can take a stab at it assuming is compatible w/ most common desktop architecture at the moment and see if it works or ...

6日 前 | 0

Save Open State in Editor???
Is there no preferences option to have editor reload previous state w/o having to open each and every file again? Very rude beh...

7日 前 | 1 件の回答 | 0

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How to convert each row in a cell array to a (1*n ) double matrix?
Use the dual representation of char() data as numeric that MATLAB will cast silently... c=[{'0011'}, {[ ]}, {'1010'}, {[ ]}, {[...

7日 前 | 0

How to use hold command with Plotyy and Subplot?
Ver 2 [y,t]=xlsread('Sample Data.xlsx'); t=datetime(t(2:end,1),'inputformat','MM/dd/uuuu','format','MMM yy'); mos=(year(t(end...

7日 前 | 0

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How to use hold command with Plotyy and Subplot?
Using the features TMW has given us more recently...in particular, datetime and yyaxis along with using some data organization b...

8日 前 | 0

Is it possible to create x tick labels with a fixed width
AFAIK, no, that's an amenity TMW hasn't yet provided with the ticklabel property. It's a very simple text string with formattin...

8日 前 | 0

How to select the part of the tables in a cell?
N1=98; C=cellfun(@(t) t(N1:end,:),C,'uni',0);

9日 前 | 1

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how to create a numeric tick label offset
x=[384230 384231 284232 ...]; X0=384200; % offset value -- uses arbitrary origin hL=plot(x-X0,y); ...

12日 前 | 0

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Save .xls in certain folder
You saved the variable app.Pedobarography_Values in the file 'Pedobarography_Values.xslx' but by the documentation for xlswrite ...

13日 前 | 0

How to delete axes and tick in figure?
Precisely. As your question says, you're trying to mess with axis properties, not those of the figure. Substitute hAx=gca; ...

14日 前 | 0

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How do you make individual points in a loglog graph appear? I am looking for the slope.
hLL=loglog(melting,temperature,'x-'); % Save line handles; line + marker 'x'

14日 前 | 0

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How to read rows of data in .csv file and turn them into arrays?
textscan is record oriented. Your file has sections; you have to read a section, rinse and repeat. Something like fmt1='delay...

15日 前 | 0

error only showing up with one for loop -- can't figure out what the problem is? going crazy?
Unable to perform assignment because the size of the left side is 1-by-1 and the size of the right side is 257-by-1. Error in...

16日 前 | 0

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Minimize cmd.exe window launched from MATLAB?
Use a batch file or multiple command on the executable and START yourbatch /MIN to create the process minimized. Kick this o...

16日 前 | 0

How to group variables together
Not as "folders" per se, no. MATLAB doesn't have the concept of a scoping mechanism for variables independently. Where you see...

17日 前 | 0