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dpb


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5,187 total contributions since 2012

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Answered
How to read this kind of info out of a txt file and post them into Excel files?
Basically, just read the file record-by-record searching for the matching header strings and when find a section header, then re...

1 day ago | 0

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Answered
How to average monthly data using a specific method in Matlab?
There may be a more clever way, but brute force seems straightforward enough... A=reshape(vectorA,3,[]); ...

2 days ago | 0

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Answered
How to retrieve multiple values from a 3D array
Ignoring the excessively verbose variable names that keeps code from being visible without scrolling or breaking line and thereb...

2 days ago | 0

Answered
Computing the number of variables belonging to each data type
How about n_cl=countcats(categorical(varfun(@class,M,'OutputFormat','cell')))

3 days ago | 0

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Answered
Can I plot a line function, and a plot function under an if statement?
"can put a line and plot function under an if statement. ...? It works when I try it ..." It would seem you've answered your ow...

4 days ago | 0

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Answered
Reading Specific numbers from a text file
fileID = fopen(filename); Cdata = textscan(fileID,'%f32 %f32 %f32','HeaderLines',5); % find the point coordi...

4 days ago | 0

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Answered
How to protect arbitrary variable names
Functions have their own workspace although internal and anonymous functions share their context with the containing workspace.....

4 days ago | 0

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Answered
displaying element of matrix
To use disp and have two decimal points, use format bank first, otherwise will get whatever precision is associated with the cur...

6 days ago | 0

Answered
How to plot 3 graphs in 1 figure?
There's an example of 2 on top and one on bottom that should have given the clue of how to bo about it... hAx(1)=subplot(2,2,1)...

7 days ago | 1

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Answered
Need to run two counters in a foor loop
If you describe the real problem to be solved instead, it'll lead to more efficient getting to the right answer, but if the resu...

7 days ago | 0

Answered
How can I find peak from matrix
What's wrong with what you've done for the one? findpeaks is one of the functions that has not been vectorized (owing to its co...

7 days ago | 0

Answered
Write a tabbed matrix in a txt file
Read the rest of the documentation for dlmwrite -- Name-Value Pair Arguments ... 'precision' — Numeric precision ...

8 days ago | 0

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Answered
Full Factorial Design of Experiments
"I know about the matlab function fullfact([,]) but since I will use decimal numbers i needed a differen solution." There's no ...

8 days ago | 1

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Answered
for loop to subtract every element from the first element for a given trial
Another job for varfun and grouping variables-- tt.TrialTime=cell2mat(rowfun(@(m)m-m(1),tt,'GroupingVariables','TrialNumber', ....

9 days ago | 0

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Answered
How do I make two arrays go from largest to smallest?
[a,ix] = sort([4 8 11 7],'descend'); % keep the optional original order vector when sort b = b(ix); ...

10 days ago | 1

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Answered
how to plot cell array and how to get its imaginary part?
Use cell indexing expressions-- >> c={[rand(4,1),rand(4,1)]}; % presume the format described for some sample data >> c{:} ...

14 days ago | 0

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Answered
Understanding the structfun() or cellfun() commands
As the error message and doc says, structfun applies a function to each field in a scalar struct; you have a struct array -- not...

15 days ago | 0

Answered
How can I find mean crossing irregularity?
z=randn(1,1000); % sample dataset zs=(detrend(z)>0); % convert to binary at mean iz=diff(find([0 zs])); % crossin...

20 days ago | 0

Answered
Assign same linewidth to a grouped barplot
You can't use the "dot" notation with an array of handles, anyway; must use set here, or a looping construct of some sort. se...

24 days ago | 1

Answered
How to compare two columns in a table and delete that row having same values in that columns?
c=string({'column1' 'column 2' 'columns3' 'ball' 'bat' 'gloves' 'bat' 'gloves' 'bat' 'ball' ...

26 days ago | 0

Answered
Error using corrplot function
OK, I played with one of the sample datasets used for illustrating some other regression stuff...it is possible to start with pl...

26 days ago | 0

Answered
Binomial Distribution when mean and variance is given
Well, sometimes one is given a nonsensical problem -- if so, then one has to inform the requestor of the fact and get a differen...

27 days ago | 0

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Answered
2 digits after the dot
In the first case, you'll have to use >> string(arrayfun(@(n)sprintf('%.2f',n),vals,'UniformOutput',false)) ans = 2×3 str...

27 days ago | 0

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Answered
Generating a heat map of adjacency matrix
Presuming you want the displayed values of the cells to still be their totals, then s = [1 1 1 2 2 3]; t = [2 3 4 5 6 7]; G =...

27 days ago | 0

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Answered
Check for missing argument or incorrect argument data type in call to function 'predict'.
I've never used fitrlinear (didn't know it existed, in fact), but it appears that it returns a composite object and that the req...

27 days ago | 1

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Answered
How to change values to 3 decimal points and 7 significant figures?
You can't set an arbitrary format string or precision for command window output; only the few selectable choices given by the fo...

27 days ago | 3

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Answered
Search for minimal value in column of table when value in other columns are the same
function [f,ix]=fastest(d,r) % return minimum of input time of travel array, d and % corresponding row index of minimum from ...

27 days ago | 0

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Answered
histogram style graph with several different data types with each type coloured differently
Actually, it's not too bad to just make up something...not sure where and why you ran into difficulties without seeing what sort...

28 days ago | 0

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Answered
how to read a data from text file
zein=readlines('yourfilename.txt'); xyz=str2double(split(extractBetween(zein(3:end-1),'(',')')," "));

28 days ago | 0

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Answered
How can I order a matrix in a specific order?
I've no klew what amplapi is, but if you have a text file like the first, reading it into MATLAB will not reorder it. >> which ...

29 days ago | 0

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