Community Profile

photo

dpb


4,061 total contributions since 2012

Contact

dpb's Badges

  • Master
  • Thankful Level 2
  • 36 Month Streak
  • Revival Level 1
  • Knowledgeable Level 4
  • First Answer
  • Solver

View details...

Contributions in
View by

Answered
Generate beta random number without statistics toolbox
Given Ui are uniform random variates Y1=U1/α1 and Y2=U1/β1, such that Y1+Y2<=1, then X=Y1/(Y1+Y2) follows the beta dist...

약 16시간 ago | 0

| accepted

Answered
how to fit a a curve using gamma fit
See doc gamfit but all the inflection points in the green curve have no chance to be reflected in a fitted function.

1일 ago | 0

Answered
Randomly assign a value to each column of a matrix
Not way subscript expansion works as written...use seqS(sub2ind(size(seqS),[1:mt].',t)) = true; instead

1일 ago | 0

| accepted

Answered
Accessing Character Vectors Within Cell Arrays, Output Is Size of Character Vector, not Contents?
While not your specific question, couldn't help but recast your function using standard MATLAB functions for various operations ...

1일 ago | 0

Answered
Moving mean in matrix
% Identify the columns that contain at least one 999999 isKey = matriz_media == key; colIdx = find(any(isKey,1)); ...

1일 ago | 0

Answered
how do you get the max y value in an fplot?
Look at the documentation and see what else you can do with fplot... fp=fplot(mu,[0 100]); [mxMu,imx]=max(fp.YData); % ...

1일 ago | 0

Answered
3D plotting help
Per the documentation for scatter3, scatter3(X,Y,Z,S,C) draws each circle with the color specified by C. If C is a RGB triple...

2일 ago | 0

Answered
Renaming batch names removing extensions
Job for command. Make a .cmd batch file from the following--name DORENAME.CMD or somesuch... echo off setlocal for %f in (18...

4일 ago | 0

| accepted

Answered
Plotting fresh plot for every iteration and change x-direction
Some basic "issues"... Your figure line is figure(6) which always reverts to the same figure you requested so it's not surprisi...

4일 ago | 1

| accepted

Answered
How can I modify appearence of multiple plots?
Save the errorbar object returned handles and set properties as desired.

4일 ago | 1

| accepted

Answered
Convert 1x2 double to 1x1 string
>> string(sprintf('[%d,%d]',s)) ans = "[3,7]" >> or, with features built into the new string class that mimic VB in ma...

4일 ago | 1

| accepted

Answered
How do I change datetime format in stackedplot on X-Axis?
hAx=gca; hAx.TickLabelFormat='hh:mm:ss'; You can set the XTick values as wanted but there will not possibly be room to label m...

4일 ago | 0

Answered
How to write Multiple data to Excel
xlswrite is documented to accept one array for output...you've got two disparate pieces of data to place in the spreadsheet--you...

4일 ago | 0

Answered
Loop for extracting a matrix
nAvg=10; mnAV=reshape(mean(reshape(av,nAvg,[])),[],2); Same caveat w/ Guillaume; errors if not divisible by nAvg and the final...

5일 ago | 0

Answered
Calculate the hourly battery capacity
... B_Energy_t(i)=B_Energy_t(i-1)+delta_B_t(i); if B_Energy_t(i)>(R_B*A_B) B_Capacity_t(i)=R_B*A_B; if B_Energ...

5일 ago | 1

| accepted

Answered
writetable with spaces on header
You will have to write the table content via fprintf then; the writetable function doesn't have the flexibility to specify alter...

5일 ago | 0

Answered
How can I plot 2 graphs with errorbar each one?
Use errorbar and hold on or as per the documentation, if y is a matrix errorbar plots a separate line for each column.

6일 ago | 1

| accepted

Answered
how to separate strings from a datatable?
As the error message says, strsplit only operates on the strings class or char arrays--it can't handle either cell strings (the ...

7일 ago | 0

Answered
skip lines starting with a special character and assign data to variables
fid=fopen('yourfile.txt','r'); fmt='%f'; data=cell2mat(fid,fmt,'commentstyle','%')); Do the assignment to variables either by...

8일 ago | 0

Answered
how to manually calculate the stacked bar
It's hard to do with mixed signed numbers because they end up on top of each other...to see more clearly what it actually does, ...

8일 ago | 0

| accepted

Answered
How to create a vector based on previous value of same vector
I suspect overall performance will not be significantly improved as removing a small fraction of a total run time entirely will ...

8일 ago | 0

Answered
Trimming Null Characters off a multi-dimensional cell array
>> A(any(~cellfun(@isempty,A),2),:) ans = 3×3 cell array {'a' } {'b'} {'c' } {'t' } {'y...

8일 ago | 0

| accepted

Answered
Loop reading data into equation, store into array
data=importdata('yourfile.txt'); ix2=[false; abs(diff(ata(:,5)>=2))]; newdata=data(ix2,[3 5]);

8일 ago | 0

Answered
Cleaning of large files of data
Start something like ttclean=rmissing(tt); % the subset with no missing data only dt=diff(ttclean.Time); % the di...

9일 ago | 0

| accepted

Answered
How can I send data, or extract data, from a range of cells in a Uitable?
Well, experimenting shows you can address subarrays...one of the examples given modified slightly-- hF=figure; ...

9일 ago | 0

Answered
How make this code execute faster?
Try S1 = setdiff(1:N;S)); What is the precise definition of "runs slow(ly)"? In what context and how have you deduced/conclud...

9일 ago | 0

Answered
Why do I get an array out of bounds error
out(n) = out(n) + channel(n-fix(LFO(n))); the subscript for channel is n-fix(LFO(n)) where LFO=200*sin(t) so fix(LFO) ranges fr...

9일 ago | 0

| accepted

Answered
Extracting values by looping through multiple files
displ=[]; % empty displacement array... d=dir('*.out'); for i=1:numel(d) txt=fileread(d...

10일 ago | 0

| accepted

Answered
Split table at n rows and plot data
In general, I'd process something like the following -- you can add control variables to select which columns you want plotted; ...

10일 ago | 0

| accepted

Answered
how can I open any file with a .TXT file, read and print the data correctly?
fileID = fopen('*.TXT', 'r'); is invalid syntax-- fopen() can't use wild cards; tha'ts a dir functionality-- d=dir('*.TXT'); ...

11일 ago | 0

Load more