dpb

4.334 total contributions since 2012

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Answered
Error using fprintf when copying cell content into a text file
Having data helps...to achieve the objective in the easiest way w/o writecell, use the intermediary of converting to a table... ...

alrededor de 3 horas ago | 1

Answered
error bars in bar plot with categories
This is a royal pain for even numeric axes; even worse for categorical. Complain to TMW about the sorry quality of implementati...

alrededor de 20 horas ago | 0

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How do i label each bar in bar group with a "string" on top?
... hB=bar(y); % use a meaningful variable for a handle array... hAx=gca; % get a variable for the current...

alrededor de 20 horas ago | 1

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Answered
plot with points in file
Well, still kinda' difficult to figure out exactly what is wanted, but as near as I can make out, something like; t=readtable('...

2 días ago | 0

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Using loglog to plot results in a y axis that is not log scaled. But matlab seems to think it is
Set ylim([5 15]) to have sufficient part of the y-axis showing to be able to see the difference in the log scale vis a vis lin...

3 días ago | 0

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timeseries date data matlab
Either however you created the text file and/or imported it, you ended up with the datenum integer portion of the date/time info...

3 días ago | 0

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I want to create multiple buffers one after the other. How do ensure that they show in a random order?
Simplest would be to create N objects in (say) a cell array. Then generated a randomized indexing vector as |randperm idxrand=...

3 días ago | 0

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char time: wrong label on years
The problem is the explicit four-digit string for the year -- that overrides any pivot year input for either datenum/datestr as ...

3 días ago | 0

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Using dir to extract the names of plexon files for upload
targetDir='WhteverisDirNeeded'; d=dir(fullfile(targetDir, '*.plx')); % return all files of desired extension for i=1:numel(...

4 días ago | 0

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Shuffle the rows a matrix
ir=randperm(1:numel(y)); % since y is 1D; otherwise use size(y,1) y=y(ir); x=x(ir,:);

4 días ago | 0

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Answered
Summation of Infinity Terms
S = 0; tol = eps; term = inf; n = 1; If (x<1) 'not valid starting points enter another points' end while abs(term) > tol ...

4 días ago | 1

Answered
Get every first value above a treshold out of an array
B=([0 diff((A>trsh)-1)]==1); For comparison, >> [A;B] ans = Columns 1 through 27 1 2 3 4 5 6 2 3 4 5 6 3 4 5...

4 días ago | 0

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Answered
Data must be numeric, datetime, duration or an array convertible to double.
TimeX isn't defined in the above code snippet before or by reading the table so that's an inconsistency that should be dealt wit...

5 días ago | 0

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How to check if a table exists?
"...will be created by using the command "table"..." So, there then has to be a variable name on the LHS of the table() stateme...

5 días ago | 0

Answered
How to convert cell 2 double?
If SI is as you say... >> SI={rand(1,2) rand(1,2)} SI = 1×2 cell array {1×2 double} {1×2 double} >> sitem=cell2mat...

5 días ago | 0

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Graphs of mean and standard deviation
A typical plot would be use errorbar, alternatively there's boxplot that shows data in somewhat different fashion than explicitl...

5 días ago | 0

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varfun: how to get ride of the function name for the output variable?
No. That's the way varfun is designed and works to keep from overwriting the original variable with the functional output havin...

5 días ago | 0

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how do i count unique cell rows?
I agree w/ Per, use strings since TMW didn't see fit to extend unique to cell arrays and either is far better than char() arrays...

5 días ago | 1

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Filter contents of a table
Why are numeric values entered as text/characters? ix=~ismember(str2num(tbl.value),[3 4]); tbl=tbl(ix,:); If the real questio...

6 días ago | 1

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Answered
How do I use splitapply when the applied function has non-scalar output?
OK, I reread the Q? and realize there was enough in it to see what it was that was wanted... >> t=myTable; ...

6 días ago | 0

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Answered
Short Question about Multiple cases in for end
Depends upon what you mean to do...if want each combination of the four variables, then you write a set of nested for loops... ...

7 días ago | 0

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Answered
Trying to have user input names into matlab and store them in a matrix
Don't use the character array...assignment in it has to be padded to the maximum length for every row in the array. Either use ...

7 días ago | 0

Answered
How do I use splitapply when the applied function has non-scalar output?
[A,B,C,...]=splitapply(func, ...); applies func to inputs by group and returns the given outputs... See the doc for details, e...

7 días ago | 0

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Swapping entries in column of table
% first build a more workable table arrangement... t=table(str2double(tbl.multicol),'VariableNames',{'array'}); t=t(1:3,:) t ...

8 días ago | 1

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How to save a complex matrix as text file?
C (and ergo Matlab) is woefully weak in input/output for complex variables. Should been remedied by TMW from the git-go given M...

9 días ago | 0

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Answered
How to print out a cell array inside a cell array
How did you manage to get that so deeply nested? Let's see the code that generated the array and work on it... But, to answer ...

10 días ago | 0

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Answered
How to compare variables without if statement
>> assert(3==4,'Mismatch') Mismatch >> assert(3==3,'Mismatch') >> ADDENDUM: Of course, you can make things more interesti...

10 días ago | 0

Answered
import csv file and use the data in Matlab
The problem is the file has explicit "" for string variables built into it...that overrides what readtable would otherwise do fo...

12 días ago | 2

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Answered
Removing rows - duplicates based on a condition
[~,ia]=unique(A(A.Size==1,1),'first'); B=[A(A.Size==0,:);A([ia+find(A.Size==0,1,'last')],:)]; returns >> B B = 6×3 table ...

12 días ago | 0

Answered
extracting dates within a text
matchstr='LoomingExp'; % string to match c=textread('book1.csv','%s','delimiter',''); % read as...

13 días ago | 0

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