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per isakson

KTH

2,307 total contributions since 2010

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Why does web('name.html','-new') open the html-file in the Help browser?
Experiments with R2018b show that web('name.html','-new') honors the Matlab documentation and displays 'name.html' in the Matla...

1 day ago | 0 answers | 0

0

How to read strings from a txt file?
The text file, model.txt, contains the five lines given in your question. The script fid = fopen( 'model.txt' ); cac...

1 day ago | 0

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find the minimum value of y for positive vales of x
Try this %% x = (-100:100); y = x.^3+60*(x.^2)-50; %% xmin = min(y(x>0)) which returns xmin = 11 >>

16 days ago | 0

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Looping through a random matrix to see if any element is >0.5
Try %% for random_number_matrix = rand(4,8) display (random_number_matrix) end and read the documentation on for

16 days ago | 0

How to combine multiple columns into array?
Two ways array = cat( 2, col1, col2, col3, col4, col5 ); array = [ col1, col2, col3, col4, col5 ];

17 days ago | 0

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How to write properties in vectors in matlab oop?
P(1)=obj.lcc; P(2)=obj.rc; P(3)=obj.mc; where obj is the instance variable

18 days ago | 0

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Matlab reads file with different order
>> fid = fopen('RQ_par.txt'); >> fs = fscanf( fid, '%f' ) fs = 0.9011 0.848 0.6744 0.54 ...

19 days ago | 0

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Extracting length information of pattern from specific string (not fixed string)
This is an answer to the follow_up question, which was closed when I tried to submit. %% chr = '010100001111111111111110000010...

28 days ago | 1

reading a huge matrix which is split to several parts
The text file contains column and row numbers together with blocks of the matrix. These row and column numbers can be used for c...

28 days ago | 0

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.mat file to .txt file
A little demo >> i16 = ones( 12, 1, 'int16' ); % sample data >> fid = fopen('i16.txt','a'); >> fprintf( fid, '%6d\n', i16 ...

1 month ago | 0

My codes and functions are deleted
AFAIK: There is no magic way to find lost files. Maybe you saved them in the wrong place? Or renamed them? What do you know ...

1 month ago | 0

How can I get the path of the file being loaded when implementing the loadobj method

1 month ago | 0

MATLAB Answers Wish-list #5 (and bug reports)
Don't encourage the use of "matlab" and "simulink", by showing them as popular tags. Instead, encourage the use of the Product f...

1 month ago | 2

Reading mixed format data from '.txt' file in matlab
Here is an alternative Running >> out = cssm('cssm.txt') outputs out = struct with fields: george: [3×11 double] ...

1 month ago | 0

What frustrates you about MATLAB? #2
Which do you prefer 'MultipleDelimsAsOne' or 'CollapseDelimiters'? Now and then I use the correct name in the wrong place. I ...

1 month ago | 1

Reading large number of csv files
Caveats My notion of your use case (work flow) is vague. Is your local free disk space a restriction? How many GB in total will...

1 month ago | 0

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Nested Functions vs Object-Oriented Programming: k-D Tree example and relative performance
On my R2018b,Win10 the diffence is even bigger % 18.585, 0.79143 % 18.937, 0.75923 The profiling result of get_root...

1 month ago | 1

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Load data and merge them together
Replacing data = [data,load(files(n).name)] with data = [ data ; load(files(n).name) ]; might help, i.e add rows to data no...

1 month ago | 0

'Unable to open file' error with importdata
Replacing Spill = importdata(filename); with Spill = importdata( fullfile( pathname, filename ); may help.

1 month ago | 0

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The Code Analyzer is a useful feature. It indicates syntax errors in the rightmost column of the editor. And it provides tooltip...

1 month ago | 0

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Issue with defining inputs in classdef and getting properties updated
Two things: VirtualMotor is a value class. Is that your intention? See Comparison of Handle and Value Classes You don't want ...

1 month ago | 1

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How can I see very large data in a workspace
This works with R2018b >> cac = {rand(1104,2,292)}; >> openvar('cac{1}(:,:,290)') P.S. It works with 1400x2x290 too

1 month ago | 0

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Conversion of Cell elements to matrix elements
Matlab magic %% x{1,1}=[1,5,3]; x{1,2}=[2]; x{1,3}=[]; x{2,1}=[2,4]; x{2,2}=[5,3,1]; x{2,3}=[]; %% cellfun( @(v) sum(v...

1 month ago | 0

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Particularly strange bug using the eval function
I reproduced the issue you report on R2018b, Win10. I noticed that if I put a breakpoint at the line "class(gamma)" run the f...

2 months ago | 0

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How do I debug my matlab code?
How do I debug my matlab code? Before trying to fix the problem see: Debug a MATLAB Program, then add a breakpoint to line 34,...

2 months ago | 1

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How to pass field values to subclass from superclass?
There are syntax errors in your code. Try to keep the little box in the upper right corner, , green at all time. I've fixed y...

2 months ago | 0

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How to read values for the range between each maximum and each minimum from a large uneven data file?
"range between the maximum and minimum of column 3" with a bit of guessing my interpretation is implemented in ixb and ixe %% ...

2 months ago | 0

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