Answered
Do I use the "for loop" correct or efficiently?
Replace the loops by a(1:1800)=50; a(1801:3000)=90; a(3001:3500)=0; to match the figure

3 maanden ago | 0

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Answered
Specify nature/type of property
... or something like: classdef meals properties food (1,1) struct = struct( 'type',{'wheat'}, 'calories',{...

3 maanden ago | 0

Answered
How to understand a datenum date?
A serial date (number) represents time as the number of days (and fraction of days) from January 0, 0000. sdn = now % the fu...

3 maanden ago | 0

Question


I cannot access the comment pane of the MathWorks Blogs. Am I the only one?
Over the last week I've failed to access the comment pane of the MathWorks Blogs, but for a few short occasions. Does anybody el...

4 maanden ago | 1 answer | 0

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answer

Answered
Strings to variable names
First a little exercise %% results = readtable('raw_data.csv'); results(4,:) %% results.Properties.VariableNames{'Sigma'} =...

4 maanden ago | 1

Answered
How to call a class-specified overloaded version of a function without using an object instance as an argument
"I don't want to define 'sin' as a static method because then sin(myNum) will not automatically invoke the overloaded function" ...

4 maanden ago | 1

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Answered
Recursively reversing large vector efficiently
Five ways to flip a row vector. The last one, reversal_v3(), answers your question. Recursion is by two order of magnitude slowe...

4 maanden ago | 0

Answered
Accessing properties in a class
There is nothing special with the name obj, it's just a name. The assignments in the method, fun1, creates a structure (named o...

4 maanden ago | 0

Answered
Gang-of-Four Design Patterns in MATLAB
I'm not aware of any "full or partial MATLAB collection" and I've search for it more than once. Googling for "design patterns ...

4 maanden ago | 1

Answered
How to relocate (left side) the legend in plot ?
Read the documentation on legend() and notice legend(___,'Location',lcn)

5 maanden ago | 0

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Answered
Creating charts in Matlab
Yes, see the function, bar( ..., 'stacked' ). However, it lacks the 3D character of the bars.

5 maanden ago | 1

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Answered
MATLAB Answers Wish-list #5 (and bug reports)
Background: I recently put some effort into answering How to store and reuse coefficients in a for loop. My answer together wi...

5 maanden ago | 1

Answered
How to store and reuse coefficients in a for loop
Caveat: I don't fully understand your code and what I say might not be relevant to your real project. "% Can this double for lo...

5 maanden ago | 1

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Answered
check ismember for each element individually
The function arrayfun() does the trick (i.e. hides the foor-loop) a=[ 1 2 3 3 5 6 6]; b=[1 2 3 5 6]; cac = arrayfun( @(ii) fi...

5 maanden ago | 0

Answered
Is it possible to put multiple functions in one matlab file file?
"I currently have six seperate scripts [you mean functions?]" What differs between the six functions? The name of the nc-files ...

5 maanden ago | 0

Answered
When constructing an instance of class, the constructor must preserve the class of the returned object.
I don't know C++. (For some reason you added the tag "C++".) I guess you are biased by some other language. You need to look cl...

6 maanden ago | 0

Answered
How do I make this a function?
Something like this. With Matlab it's common practise to use double for all numerical variables. (Matlab has "integer in floatin...

6 maanden ago | 0

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Answered
Create table from structure - alignment
I've modified the format specifier. %% mom.a = 1; mom.b = 2; mom.veryLongName = 3; header = {'Moment'; 'Value'}; fnames = ...

6 maanden ago | 0

Answered
How to replace a number in a row vector with NaN in certain condition
abs(x(6)-x(8)) is equal to 10. Accourding to x_new, x(8) should be replaced by NaN. Thus I have use ">=". %% vec = [15 13 9 ...

6 maanden ago | 1

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Answered
Getting Windows to open a file type using a MATLAB application
An alternative that doesn't require the Matlab compiler (but requires a Matlab license to run): Create a bat-file, e.g. read_xl...

6 maanden ago | 0

Answered
How can I read a '.dat' file on MATLAB?
google says: "A file with the . dat file extension is a generic data file that stores specific information relating to the progr...

6 maanden ago | 0

Answered
How to quickly find the indecies of elements in an array?
A = [1 9 2 8 3 7 4 6 5]; B = [5 6 7]; [~,ix] = ismember( B, A )

7 maanden ago | 0

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Answered
creating a character array in which each element takes multiple characters put together
The RHS of the two assignments in the for-loop are they correct? Don't show data as images. Seven lines can be included as cod...

7 maanden ago | 2

Answered
Why is command window printing out all the code?
There is a function called echo(), which I've never used. Have you run echo on by mistake? I reproduced the behavior you see ...

7 maanden ago | 0

Answered
Extracting data using regular expression
"all the columns [...] named "Physics", "Time", "dt", "Progress", "Nonlinear Iteration" "Linear Iterations"...."Nodes After Adap...

7 maanden ago | 1

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Answered
Load .dat files from subfolders with different names
Yes to both questions. With help of the code snippets below I guess you can put together a script. sad = dir( fullfile('Folder...

7 maanden ago | 0

Answered
Index exceeds the number of array elements (1).
Here are some links on debugging in Matlab Debug a MATLAB Program Debugging in MATLAB Debugging session Debugging Approaches...

7 maanden ago | 0

Answered
Specific values in an Array
R=[]; for i=1:1:5 for y=5:1:10 eq1=i*y; %% To save the values: R=[R; i y eq1]; end end a...

7 maanden ago | 1

Answered
Auto fetch input files to process from a specified folder
"I have a lot of data files that I would like to process through my code [...] each file from a specified folder one at a time" ...

7 maanden ago | 0

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Answered
Plotting a limited number of elements
"plot the first 5" An if-statement should do that. Replace plot(jvals(i,:), vetor_momentoj(i,:), '-o'), hold all by if i <= ...

7 maanden ago | 1

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