Answered

How to add an element to cell?

One way >> the_cell={'January','March','April'}; >> the_cell = cat( 2, the_cell(1), {'February'}, the_cell(2:end ) ) the_cell...

How to add an element to cell?

One way >> the_cell={'January','March','April'}; >> the_cell = cat( 2, the_cell(1), {'February'}, the_cell(2:end ) ) the_cell...

etwa 15 Stunden ago | 0

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Answered

how to change the number that decreases in the array element to the same number, for example 0 (zero)

Is something like this what you are asking for? %% a = [100.001469926008 0.0140073495254864 0.00452326089811489 ... ...

how to change the number that decreases in the array element to the same number, for example 0 (zero)

Is something like this what you are asking for? %% a = [100.001469926008 0.0140073495254864 0.00452326089811489 ... ...

ein Tag ago | 0

Answered

Why I get this error for my code?Error: File: Untitled2.m Line: 10 Column: 8

Replace x2=x1. / max(x1); by x2=x1 ./ max(x1); Be careful with where you add spaces

Why I get this error for my code?Error: File: Untitled2.m Line: 10 Column: 8

Replace x2=x1. / max(x1); by x2=x1 ./ max(x1); Be careful with where you add spaces

17 Tage ago | 1

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Answered

Convert char to variable

"by means of OOP, to create an app" Object Oriented Design isn't easy and there are many different solutions to a problem. I ...

Convert char to variable

"by means of OOP, to create an app" Object Oriented Design isn't easy and there are many different solutions to a problem. I ...

18 Tage ago | 0

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Answered

Importing Data from Text File Loop

First you need to create an array of file specifications. I prefer to use the function dir() glob = fullfile( "C:\Users\nperson...

Importing Data from Text File Loop

First you need to create an array of file specifications. I prefer to use the function dir() glob = fullfile( "C:\Users\nperson...

20 Tage ago | 0

Answered

Extending the number of terms in a specific sequence.

A copy&paste mistake: synth_f1 = synth_f1 - (1/(n*n))*sin(n*w*t) + (1/((n+2).^2))*sin((n+2)*w*t); % ...

Extending the number of terms in a specific sequence.

A copy&paste mistake: synth_f1 = synth_f1 - (1/(n*n))*sin(n*w*t) + (1/((n+2).^2))*sin((n+2)*w*t); % ...

26 Tage ago | 1

Answered

Accessing subclass methods from abstract superclass

This is not what you ask for, but close. (I don't think what you want is possible with Matlab.) >> child = ChildClass(); >> ch...

Accessing subclass methods from abstract superclass

This is not what you ask for, but close. (I don't think what you want is possible with Matlab.) >> child = ChildClass(); >> ch...

27 Tage ago | 1

Answered

Best way to truncate imported data so the plot displays the area of interest

One simple interactive way (R2018b) %% some data noise = rand( 0.5e6, 1 ); roi = 4.5*sin( (1:5e3)/(20*pi) )'; data = [ noi...

Best way to truncate imported data so the plot displays the area of interest

One simple interactive way (R2018b) %% some data noise = rand( 0.5e6, 1 ); roi = 4.5*sin( (1:5e3)/(20*pi) )'; data = [ noi...

29 Tage ago | 0

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Answered

Import hours from a excel file

It can be done with https://se.mathworks.com/help/matlab/ref/duration.html. , but that requires more reading of the documentatio...

Import hours from a excel file

It can be done with https://se.mathworks.com/help/matlab/ref/duration.html. , but that requires more reading of the documentatio...

29 Tage ago | 0

Answered

Combining Matrices into one

"I have 20 matrices" are those <68x68 double>? "matrices" implies that. If yes, try %% numfiles = 29; Ws = nan(68,68,numfi...

Combining Matrices into one

"I have 20 matrices" are those <68x68 double>? "matrices" implies that. If yes, try %% numfiles = 29; Ws = nan(68,68,numfi...

etwa ein Monat ago | 0

Answered

What frustrates you about MATLAB? #2

It frustrates me that else if is legal (R2018b) %% if length(c) > 1 d(end + 1,1) = 1; else if length(c) == 1 %#ok<S...

What frustrates you about MATLAB? #2

It frustrates me that else if is legal (R2018b) %% if length(c) > 1 d(end + 1,1) = 1; else if length(c) == 1 %#ok<S...

etwa ein Monat ago | 1

Answered

Creating a growing list

Add Joey = cell(0); before the loops and replace Joey = {('Bi**h Changed'),r,c} by Joey(end+1:end+3) = {('Bi**h Changed'...

Creating a growing list

Add Joey = cell(0); before the loops and replace Joey = {('Bi**h Changed'),r,c} by Joey(end+1:end+3) = {('Bi**h Changed'...

etwa ein Monat ago | 0

| accepted

Answered

What frustrates you about MATLAB? #2

It frustrates me that enumeration events methods properties are not reserved keywords (in R2018b). The statement meth...

What frustrates you about MATLAB? #2

It frustrates me that enumeration events methods properties are not reserved keywords (in R2018b). The statement meth...

etwa ein Monat ago | 0

Answered

how, using a for loop, can I create an array

how using a for loop V and A are overwritten for every iteration of the loop. Try this vec = [.25:.25:4]; len = length( vec ...

how, using a for loop, can I create an array

how using a for loop V and A are overwritten for every iteration of the loop. Try this vec = [.25:.25:4]; len = length( vec ...

etwa ein Monat ago | 0

| accepted

Answered

How to repeat run

Put your script in a function and call it 50 times for jj = 1 : 50 [ Ergebnis2p, Ergebnis3p ] = good_name( ); % store...

How to repeat run

Put your script in a function and call it 50 times for jj = 1 : 50 [ Ergebnis2p, Ergebnis3p ] = good_name( ); % store...

etwa 2 Monate ago | 0

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Answered

Evaluating Method for multiple Objects, without using Eval

Q1: Yes (I don't understand why you thought of using eval/evalin.) Q2: ??? Q3: Yes, e.g. array of instancies of Class_2 The ...

Evaluating Method for multiple Objects, without using Eval

Q1: Yes (I don't understand why you thought of using eval/evalin.) Q2: ??? Q3: Yes, e.g. array of instancies of Class_2 The ...

etwa 2 Monate ago | 0

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Answered

plotting in matlab using while loop

The answer ought to be, step throw the code and observe what each line of code makes to your diagram. However, the problem is t...

plotting in matlab using while loop

The answer ought to be, step throw the code and observe what each line of code makes to your diagram. However, the problem is t...

etwa 2 Monate ago | 0

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Question

How to hinder ongoing spamming II?

For the record: Ongoing spamming from https://se.mathworks.com/matlabcentral/profile/authors/20474294 noom gmaukel franque da...

etwa 2 Monate ago | 3 answers | 0

Answered

Reference to non-existent field 'recording'.

%% clearvars a=1; b=2; X.data = 17; save( 'recording.mat' ); %% question_6 = load('recording.mat') outputs question_6 = ...

Reference to non-existent field 'recording'.

%% clearvars a=1; b=2; X.data = 17; save( 'recording.mat' ); %% question_6 = load('recording.mat') outputs question_6 = ...

etwa 2 Monate ago | 0

Answered

how can i make this animation faster in MATLAB?

"[...] to make a ball bounce back and forth between to walls" This is as fast as it gets - I think (with m-code) %% x=1;y=1; ...

how can i make this animation faster in MATLAB?

"[...] to make a ball bounce back and forth between to walls" This is as fast as it gets - I think (with m-code) %% x=1;y=1; ...

etwa 2 Monate ago | 0

Answered

Resampling two signals to the same frequency

Comments The letter "A" as the name of the variable, which holds the force data, is a poor choice. There is half a second mor...

Resampling two signals to the same frequency

Comments The letter "A" as the name of the variable, which holds the force data, is a poor choice. There is half a second mor...

2 Monate ago | 0

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Answered

Find index of points between two points?

>> A =[1,2,5,8,4,7,6,3,12]; >> Y_min=5; >> Y_max=7; >> idx = find((A>Y_min) & (A<Y_max)); >> idx idx = 7 See L...

Find index of points between two points?

>> A =[1,2,5,8,4,7,6,3,12]; >> Y_min=5; >> Y_max=7; >> idx = find((A>Y_min) & (A<Y_max)); >> idx idx = 7 See L...

2 Monate ago | 0

Answered

Comparing elements in a vector

"My idea is to start of squaring the elements in x and then to check if any element in x equals any element in sqr." That's a g...

Comparing elements in a vector

"My idea is to start of squaring the elements in x and then to check if any element in x equals any element in sqr." That's a g...

2 Monate ago | 0

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Answered

Why Matlab becomes 100 time slower using vector?

I've edited my answer, chosen better names rerun the tests deleted a profiler result, which I cannot reproduce. I don't kn...

Why Matlab becomes 100 time slower using vector?

I've edited my answer, chosen better names rerun the tests deleted a profiler result, which I cannot reproduce. I don't kn...

2 Monate ago | 1

Answered

convert time in seconds after midnight to a certain interval

The script %% obj = duration( 0, 0, 2*3600+7*60 ); obj - mod( obj, minutes(5) ) outputs ans = duration 02:05:00 >>...

convert time in seconds after midnight to a certain interval

The script %% obj = duration( 0, 0, 2*3600+7*60 ); obj - mod( obj, minutes(5) ) outputs ans = duration 02:05:00 >>...

2 Monate ago | 0

Answered

Unrecognized function or variable 'x'

"Unrecognized function or variable 'get_image_center'." Replace im_cntr = get_image_center(im); by im_cntr = self.get_image_...

Unrecognized function or variable 'x'

"Unrecognized function or variable 'get_image_center'." Replace im_cntr = get_image_center(im); by im_cntr = self.get_image_...

2 Monate ago | 0

Answered

Date array to timestamp

Doc says: "The datenum function creates a numeric array that represents each point in time as the number of days from January 0,...

Date array to timestamp

Doc says: "The datenum function creates a numeric array that represents each point in time as the number of days from January 0,...

3 Monate ago | 0

Answered

Trying to access variables that aren't available in Workspace

No, (not documented anyway) with the exception of evalin, Evaluate MATLAB expression in specified workspace and see TUTORIAL...

Trying to access variables that aren't available in Workspace

No, (not documented anyway) with the exception of evalin, Evaluate MATLAB expression in specified workspace and see TUTORIAL...

3 Monate ago | 0

Answered

CASE IS CLOSED **

OP writes in his first comment: "I needed a code which will make the log files in the notepad like this:" My interpretation is ...

CASE IS CLOSED **

OP writes in his first comment: "I needed a code which will make the log files in the notepad like this:" My interpretation is ...

3 Monate ago | 1

Answered

Store different data types efficiently

Three solutions are mentioned in the comments of you question. I assume you have a collection of m-functions, which operate on t...

Store different data types efficiently

Three solutions are mentioned in the comments of you question. I assume you have a collection of m-functions, which operate on t...

3 Monate ago | 3

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