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per isakson


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1,916 total contributions since 2010

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Answered
Distance between all elements of row vector
Hint: %% row = rand(1,6); cell2mat( reshape( arrayfun( @(jj) row(jj)-row, (1:6), 'uni', false ), [],1 ) ) outputs ans = ...

4 hours ago | 1

| accepted

Answered
Object oriented programming problem?
MyPr2.ap.datashare, is that a folder, ...\+MyPr2\+ap\+datashare, or a classdef-file, ...\+MyPr2\+ap\datashare.m ? Your code sni...

2 days ago | 0

Answered
Converint between Cell arrays and Numbers and Strings
"cell array as shown" The screenshot doesn't show any cell array Another approach >> str = sprintf('%d', 10000111 ); >> n...

24 days ago | 1

Answered
Averaging and summing parts of a column based on date
Ten hours without an answer. Here is the result from my first experiment with timetable. See retime Resample or aggregate data ...

24 days ago | 0

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Answered
How to properly overload horzcat and vertcat?
This looks more Matlabish, but whether it's better ... classdef myClass properties a@double b@double ...

24 days ago | 0

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Answered
SVD file to normal coordinates
Google found Advanced Signal Processing with Matlab Maybe Matlab functions comes with your instrument

25 days ago | 0

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Answered
Simple Questions, Please Answer 2
old is not the name of a Matlab function. Maybe you have a variable named old What does which old return?

25 days ago | 0

Answered
Simple Question, Please Answer
See colon, : Vector creation, array subscripting, and for-loop iteration and for for loop to repeat specified number of times

25 days ago | 0

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Solved


Max Change in Consecutive Elements
If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

26 days ago

Solved


expand intervals
You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...

26 days ago

Answered
Reading the exact time and date as in excel sheet !
"based on few examples discussed in the forum" The Matlab documentation is a much more reliable when it comes to the behavior o...

26 days ago | 0

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Answered
Exporting a pre-allocated cell array to .csv files
I cannot guess what you tried and failed. However, study this example %% M961x1 = repmat( {magic(5)}, 3,1 ); % Small set of sa...

27 days ago | 1

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Answered
Unable to perform assignment because the left and right sides have a different number of elements.
Maybe replace v(i+1)=v(i)+(g*m/c)*(1-exp(-c*t/m))); by v(i+1)=v(i)+(g*m/c)*(1-exp(-c*t(i)/m))); v(i+1) is a scalar, I assume...

28 days ago | 0

Answered
How to convert grade into letter grade
I guess this is what you intended function grade = letter_grade( n ) if n >= 91 grade='A'; elseif n >= 81 ...

28 days ago | 1

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Answered
How can i find the column number in an array?
Try this M = rand( 6 ); % Sample data [~,ixc] = max(mean( M, 1 ));

28 days ago | 0

Answered
Why is my function outputting a blank graph:
Replace plot(a,b) by plot(a,b,'d') and look up plot in the documentation

29 days ago | 0

Answered
how to ask a for input, and keep asking the same question until the right input is inputted?
One way. n avoids running forever. %% n = 0; while n <= 12 n = n + 1; x = input('Please, input an even number ');...

29 days ago | 1

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Answered
struct to cell array
Why? Because Matlab works that way. >> nums.f ans = 1 ans = 2 ans = 3 outputs a list and {} ...

1 month ago | 0

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Answered
regexp problem in '.'
Try %% test='abcde.abcde'; regexp(test,'\.','split') returns ans = 1×2 cell array {'abcde'} {'abcde'} dot...

1 month ago | 0

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Answered
How can I use 'textscan' to read data from Sheet2 of an Excel file?
Try readtable( _______, 'DatetimeType', 'exceldatenum' ); See the documentation.

1 month ago | 1

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Answered
What is happening here?
Proposal: Set a breakpoint at the line that throws the error. Run the code again. At the breakpoint, inspect the values of the v...

1 month ago | 0

Answered
How to select specific cells rows in a column
%% M = [ 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 1 1 ...

1 month ago | 0

Answered
Cant find the number of row for big size of matrix
The editor warns you that there is an issue with your code. Notice the orange signs in the column to the right of the editor t...

1 month ago | 2

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Answered
How do I exclude certain lines from data files?
I downloaded example750.csv and tried a different approach of extracting and converting the hex-values >> cssm( 'example750.csv...

2 months ago | 0

Answered
getting error as "Data dimensions must agree." can someone help me resolve this
Are odefun1 and odefun the same function? Proposal: Set a breakpoint at the line that throws the error. Run the code again. At...

2 months ago | 0

Answered
Error: Index exceeds array bounds
There isn't enough information to spot with any certainty what the cause of the error is. The Matlab error message doesn't tel...

2 months ago | 0

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Answered
Compare each row of matrix with the rest, conditionally
Assumptions: The lengths of the sides are whole numbers The maximum length of the sides is "reasonable" Another approach %%...

2 months ago | 1

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Answered
Index exceeds matrix dimensions.
I've reproduced the error. The problem is that the variable, x, is empty when executions arrives at the line CTI1 = A(1,1)*x(1...

2 months ago | 0

Answered
Why get message "The current directory 'c:\program files\matlab\r2017b\bin' is reserved for MATLAB files. Please change your current directory to a writeable directory outside of the MATLAB installation area" How to Resolve?
Use a different folder to which you have write permission. Make sure you have permission to write to your current folder.

2 months ago | 0

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Answered
Show column matrices of different sizes as tables?
The short answer is: You cannot, it's not supported. The walk-around is to pad the vectors to equal length with zeros, NaNs or s...

2 months ago | 0

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