Community Profile

# per isakson

### KTH

2,179 total contributions since 2010

#### per isakson's Badges

View all

Contributions in
View by

Answered
How to know which toolboxes i am implementing
See matlab.codetools.requiredFilesAndProducts and How to list all function dependencies in v2016

2 days ago | 0

Answered
How to plot a 3 dimensional array
See 2-D and 3-D Plots

2 days ago | 0

Answered
why does matlab tell me that the "chop" command doesn't exist?
Make sure that you have the Control System Toolbox. chop() is a function in that toolbox. >> product_info = ver('control') pro...

3 days ago | 1

| accepted

Answered
How can I sum the elements in a vector row without using the sum function or any form of loops?
This is one way >> vec = (1:12); >> vec*ones(12,1) % replace '12' by length(vec) ans = 78 and check if that's the corre...

6 days ago | 2

Answered
How to extract specific rows & columns from a text file
See Read formatted data from text file or string and try fileID = fopen(filename); net_names = textscan( fileID, '%s%*f%*f%f...

6 days ago | 1

| accepted

Answered
Same Rows between two matrix
See setdiff, Set difference of two arrays and try >> setdiff( A, B, 'rows' ) ans = 0×2 empty double matrix >> setdiff( ...

7 days ago | 0

Answered
Getting a j x k Matrix from j and k-dimensional Vectors Without a For Loop?
See Matrix multiplication >> J*K' ans = 4 5 8 10 12 15

8 days ago | 0

| accepted

Answered
set class property only once
Here is an minimal working example of the design, which I think OP tried to implement. That is, use the fact that "MATLAB® evalu...

10 days ago | 0

Answered
Save a non scalar struct
The variable ss isn't saved between the calls of fun(). For the struct saved, only ss(4).bv is defined. That's the way Matlab w...

27 days ago | 0

Answered
Subscripted assignment dimension mismatch
See for loop to repeat specified number of times and note especially, "[...]Avoid assigning a value to the index variable within...

27 days ago | 0

| accepted

Answered
column to multiple row conversion
Try col = rand(366,1); % sample data mat = col2mat( col, 2020 ); and col = rand(365,1); % sample data mat = col2mat( col )...

28 days ago | 0

| accepted

Answered
How to Read and plot CSV file and delete infinity values from CSV file
Matlab provide many ways to read your csv-files. Here are two variants based on textscan, Read formatted data from text file or...

1 month ago | 0

Answered
size of matrices in a struct
"add all the sizes of matrices" , but your code adds the heights (i.e. the number of rows). What exactly do you mean by "all si...

1 month ago | 1

| accepted

Answered
how to replace all elements with zeros after "ONE" (number) in every column of matrix???
Try this >> m = randi([0,1],[6,8]) m = 0 0 0 1 0 0 0 0 0 1 1 1 1 1...

2 months ago | 0

| accepted

Answered
Toolstrip behavior and Editor tabs
I don't know what the documentation says, but I guess it doesn't describe in any detail how the toolstrip shall behave. Yes, wi...

2 months ago | 1

| accepted

Answered
When are search terms highlighted in the online documentation?
Tech support answers: "[...] the development team [...] confirm that this is not currently possible. [...] The developers will c...

2 months ago | 0

Answered
How to optimize write operation to disk for faster execution?
Replace for i=1:length(data_hex_out) fprintf(h_file_out,'%s',data_hex_out(i,:)); end by fprintf( h_file_out, '%s', perm...

2 months ago | 0

| accepted

Answered
What can I do with a web browser handle?
Undocumented Matlab and this book might be the best sources of information on the use of Java in Matlab(, besides the Matlab doc...

2 months ago | 1

Answered
Can I save multiple seperate functions to one .m file?
IMO: The best solutions is a class with statics methods. >> lib.div( 8, 2 ) ans = 4 >> lib.mult( 8, 2 ) ans = 16 ...

2 months ago | 0

Answered
Problems with averages and storing values
I like to present a different approach, which includes divide the projects into steps use Code Sections use functions use de...

2 months ago | 0

Answered
Enumeration of classes in inheritance
I might neither fully have understood your code nor the title of the question. Nevertheless, I think this is a better approach. ...

2 months ago | 0

| accepted

Question

When are search terms highlighted in the online documentation?
Background I use R2018b. I've created an online documentation for a toolbox. HTML help files. I written m-files and used pub...

2 months ago | 1 answer | 2

### 1

answer

Answered
how to read complex file data to matrix
Following Walter's advise %% chr = fileread('a.txt'); %% chr = strrep( chr, ' + ', '+' ); chr = strrep( chr, ' - ', '-' ); ...

2 months ago | 0

| accepted

Answered
How do I find all entries in an object array with a certain property
Another approach >> cc = ClassC( 12 ); >> [cc.a] ans = 17 17 17 17 17 17 17 17 17 17 17 ...

2 months ago | 0

Answered
How can I initialize nested handle class with independent values
"My question is, if i want to use handle class 'a'(2nd way), can i have a faster way to initialize 'a' and have independent b.a ...

2 months ago | 1

| accepted

Answered
Error:" Output argument "y" (and maybe others) not assigned during call to"
I found this on if-elseif-else in the documentation of R14. Nonscalar Expressions If the evaluated expression yields a nonsc...

3 months ago | 0

Answered
How to display two things on one line?
See Append Text to Strings before you try my code. >> "abc"+"def" ans = "abcdef" >> and your example >> x = 17; ...

3 months ago | 0

Answered
Why doesn't my matrix appear without missing columns
The problem exists in R2018b,Win10

3 months ago | 2

| accepted

Answered
Create subfolders in the desired way
Try this %% output_path = 'd:\m\cssm'; % 'C:\Users\dparliari\Desktop\OutputEv' vars = {'Temperature', 'Relative_humidity'}; ...

3 months ago | 0

Answered
How to read rows of data in .csv file and turn them into arrays?
See Import Block of Numeric Data from Text File and search this forum for text read tag:block You write "very very long time" i...

3 months ago | 0

Load more