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dpb


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Answered
How to remove elements from the vector while we save the index of those removed elements?
That's simply the complement of the indices you saved...brute force is >> ix=1:numel(b); ix(1:3:end)=[]; >> ix ix = 2 ...

18 hours ago | 0

Answered
Sorting Data by Part of Column Name
This is basically trivial exercise for Matlab... >> t=readtable('DataDK.xlsx'); % read the file into table Warning: Variable ...

18 hours ago | 0

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Answered
how to ignore an index error?
H=[0 1 0;1 0 1; 0 1 0]; % filter coefficients u(2:end-1,2:end-1)=(c(2:end-1,2:end-1)+f...

22 hours ago | 1

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Answered
Delete specific rows from a cell array and create a new cell array
Place where converting the cell array to regular double array makes sense it would seem...there's nothing in the above data that...

1 day ago | 0

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... ...

2 days 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...

3 days ago | 0

Answered
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...

3 days 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('...

4 days ago | 0

Answered
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...

5 days ago | 0

Answered
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...

5 days ago | 0

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Answered
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=...

5 days ago | 0

Answered
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 ...

5 days ago | 0

Answered
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(...

6 days ago | 0

Answered
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,:);

6 days 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 ...

6 days 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...

6 days 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...

7 days ago | 0

Answered
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...

7 days 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...

7 days ago | 0

Answered
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...

7 days ago | 0

Answered
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...

7 days ago | 0

Answered
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...

7 days ago | 1

Answered
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...

8 days 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; ...

8 days 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... ...

9 days 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 ...

9 days 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...

9 days ago | 0

Answered
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 ...

10 days ago | 1

Answered
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...

11 days 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 ...

12 days ago | 0

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