Answered

Babylonian algorithm - square root of a number

What is the problem - works for me: y = sqrtB([16 4 9]); function y=sqrtB(x) % It returns a row vector containing the...

Babylonian algorithm - square root of a number

What is the problem - works for me: y = sqrtB([16 4 9]); function y=sqrtB(x) % It returns a row vector containing the...

etwa 2 Monate ago | 1

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Answered

how do I create Matraix with same elements for several rows

turbines = [25,35,45,55,65]; how_often = 10; No_of_turbines = repmat(turbines,how_often,1) to get it ten times: No_of_turbin...

how do I create Matraix with same elements for several rows

turbines = [25,35,45,55,65]; how_often = 10; No_of_turbines = repmat(turbines,how_often,1) to get it ten times: No_of_turbin...

etwa 2 Monate ago | 0

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Answered

Save lines from a text file

It is a bad idea to store the lines all in different variables - this point has been discussed here for many times... Use a tabl...

Save lines from a text file

It is a bad idea to store the lines all in different variables - this point has been discussed here for many times... Use a tabl...

etwa 2 Monate ago | 1

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Answered

Failure in initial objective function evaluation. LSQNONLIN cannot continue.

The problem is that your DATA file is not complete - the sheet that should contain the data for N ist empty - therefore N is als...

Failure in initial objective function evaluation. LSQNONLIN cannot continue.

The problem is that your DATA file is not complete - the sheet that should contain the data for N ist empty - therefore N is als...

etwa 2 Monate ago | 0

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Answered

how can i give output of a python file as input to a matlab matrix

Look here: https://de.mathworks.com/matlabcentral/answers/486354-read-a-matrix-from-a-text-file#answer_397428

how can i give output of a python file as input to a matlab matrix

Look here: https://de.mathworks.com/matlabcentral/answers/486354-read-a-matrix-from-a-text-file#answer_397428

etwa 2 Monate ago | 0

Answered

reading large text files into matrix

As already stated in the other question you asked with the same content, a possible way is: A = readcell('output1.txt'); B = s...

reading large text files into matrix

As already stated in the other question you asked with the same content, a possible way is: A = readcell('output1.txt'); B = s...

etwa 2 Monate ago | 0

Answered

read a matrix from a text file

A = readcell('output1.txt'); B = str2num(char(replace(split(string([A{:,1}]),']'),... {'00', '10', '01', '11', '['},{'0 0'...

read a matrix from a text file

A = readcell('output1.txt'); B = str2num(char(replace(split(string([A{:,1}]),']'),... {'00', '10', '01', '11', '['},{'0 0'...

etwa 2 Monate ago | 0

Answered

Unable to perform assignment because the size of the left side is 1-by-1 and the size of the right side is 3-by-3.

You could check: https://de.mathworks.com/matlabcentral/fileexchange/69896-linalgsubstitute I used this function to build the ...

Unable to perform assignment because the size of the left side is 1-by-1 and the size of the right side is 3-by-3.

You could check: https://de.mathworks.com/matlabcentral/fileexchange/69896-linalgsubstitute I used this function to build the ...

etwa 2 Monate ago | 0

Answered

Issuing a call to a function

This should help you, solving the problems: https://de.mathworks.com/help/matlab/matlab_prog/create-functions-in-files.html

Issuing a call to a function

This should help you, solving the problems: https://de.mathworks.com/help/matlab/matlab_prog/create-functions-in-files.html

etwa 2 Monate ago | 0

Answered

I face an error when apply bvp4c: Unable to solve the collocation equations -- a singular Jacobian encountered.

It appears to work by making 2 small changes in the code: init=bvpinit(linspace(0.001,0.9999,10),[0 0]); sol=bvp5c(@bvp_Q,@bvp...

I face an error when apply bvp4c: Unable to solve the collocation equations -- a singular Jacobian encountered.

It appears to work by making 2 small changes in the code: init=bvpinit(linspace(0.001,0.9999,10),[0 0]); sol=bvp5c(@bvp_Q,@bvp...

etwa 2 Monate ago | 1

Answered

How to filter a data

You can do this if there is a pattern: X = [0.081,0.082,0.089,0.091,0.095,0.098,0.13,0.15,0.18,0.21,0.25,0.31]; x = [X(1:3:end...

How to filter a data

You can do this if there is a pattern: X = [0.081,0.082,0.089,0.091,0.095,0.098,0.13,0.15,0.18,0.21,0.25,0.31]; x = [X(1:3:end...

etwa 2 Monate ago | 0

Answered

Hello guys can u help me to add vertical line on my probability density function, this is my code x=[-5:0.1:5]; a=normpdf(x,1,1); z=normpdf(x,3,2); plot(x,a,'b',x,z,'r') legend('normal signal','abnormal signal') ylabel('probability density function')

use <https://de.mathworks.com/help/matlab/ref/xline.html *|xline|*>: xline(1) for example.

Hello guys can u help me to add vertical line on my probability density function, this is my code x=[-5:0.1:5]; a=normpdf(x,1,1); z=normpdf(x,3,2); plot(x,a,'b',x,z,'r') legend('normal signal','abnormal signal') ylabel('probability density function')

use <https://de.mathworks.com/help/matlab/ref/xline.html *|xline|*>: xline(1) for example.

etwa 2 Monate ago | 0

Answered

Error: Error using load Unknown text on line number 1 of ASCII file cats.csv "Sex".

try <https://de.mathworks.com/help/matlab/ref/readtable.html |*readtable*|> instead.

Error: Error using load Unknown text on line number 1 of ASCII file cats.csv "Sex".

try <https://de.mathworks.com/help/matlab/ref/readtable.html |*readtable*|> instead.

etwa 2 Monate ago | 0

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Answered

Locate any decimal value inside a matrix?

Why use an ineffficient loop instead of vectorized inbuilt functions? Try: x=[1 2.5 4;5 3 3.2;4 9 2] idx = find(mod(x,1)~=...

Locate any decimal value inside a matrix?

Why use an ineffficient loop instead of vectorized inbuilt functions? Try: x=[1 2.5 4;5 3 3.2;4 9 2] idx = find(mod(x,1)~=...

etwa 2 Monate ago | 0

Answered

Extract column from matrix

Do this A2 = A(:,3) but note that you did not code the matrix as you wrote: >> A = [6 2 3; 9 3 5; 4 4 7] A = 6 ...

Extract column from matrix

Do this A2 = A(:,3) but note that you did not code the matrix as you wrote: >> A = [6 2 3; 9 3 5; 4 4 7] A = 6 ...

etwa 2 Monate ago | 0

Answered

what is the problem in this function ?

Use: result = fmin4(a,b,c) instead of pressing the RUN button

what is the problem in this function ?

Use: result = fmin4(a,b,c) instead of pressing the RUN button

etwa 2 Monate ago | 0

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Answered

problem in dealing Cell and array

% produce some data to play with r = 3; q = 4; k(1:5) = {rand(r,q)}; % size of k = 1 x 5 % This should do what you expect:...

problem in dealing Cell and array

% produce some data to play with r = 3; q = 4; k(1:5) = {rand(r,q)}; % size of k = 1 x 5 % This should do what you expect:...

etwa 2 Monate ago | 1

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Answered

I need help with this false position script

No idea what your problem is, code runs for me: format long fx=@(x)-12-(21*x)+(18*x^2)-(2.75*x^3) a =sprintf('%.8f', fp(f...

I need help with this false position script

No idea what your problem is, code runs for me: format long fx=@(x)-12-(21*x)+(18*x^2)-(2.75*x^3) a =sprintf('%.8f', fp(f...

etwa 2 Monate ago | 0

Answered

Run a script multiple times and save outputs

Write a function or a second script which calls your script in a for loop and save the results in a new line of a result matrix ...

Run a script multiple times and save outputs

Write a function or a second script which calls your script in a for loop and save the results in a new line of a result matrix ...

etwa 2 Monate ago | 0

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Answered

How can i reduce the powers of all plotted functions to 0

one approach using string arrays: number = exp(100) a = split(string(sprintf('%e',number)),"e+"); b = double("1e+" + stri...

How can i reduce the powers of all plotted functions to 0

one approach using string arrays: number = exp(100) a = split(string(sprintf('%e',number)),"e+"); b = double("1e+" + stri...

etwa 2 Monate ago | 0

Answered

energy harvesting with game theory

The was you ask it: No. In general there are no tailored codes for very specific things like you want. You can browse <htt...

energy harvesting with game theory

The was you ask it: No. In general there are no tailored codes for very specific things like you want. You can browse <htt...

etwa 2 Monate ago | 0

Answered

Creating a sinusoidal graph

Note the frequency of your signals. Are 100 values really enough to display this frequency correctly? Hint: Think about somethi...

Creating a sinusoidal graph

Note the frequency of your signals. Are 100 values really enough to display this frequency correctly? Hint: Think about somethi...

etwa 2 Monate ago | 0

Answered

Create a table in MatLab with specific data in different spreadsheets in one Excel File.

Use the <https://de.mathworks.com/help/matlab/ref/readtable.html?s_tid=doc_ta#d117e1215216 *|sheet|*> option from the *|readtabl...

Create a table in MatLab with specific data in different spreadsheets in one Excel File.

Use the <https://de.mathworks.com/help/matlab/ref/readtable.html?s_tid=doc_ta#d117e1215216 *|sheet|*> option from the *|readtabl...

etwa 2 Monate ago | 1

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Answered

R2018a contained wlan example code, but none of it is in R2019b. What happened to all the wlan example code?

There is a bunch of examples here: <https://de.mathworks.com/help/wlan/examples.html>

R2018a contained wlan example code, but none of it is in R2019b. What happened to all the wlan example code?

There is a bunch of examples here: <https://de.mathworks.com/help/wlan/examples.html>

etwa 2 Monate ago | 0

Answered

I don't know why ODE45 function does not count time. Runs forever.

Your code repeats calculations on constants that should be done only once for performance - but more important ist that your ode...

I don't know why ODE45 function does not count time. Runs forever.

Your code repeats calculations on constants that should be done only once for performance - but more important ist that your ode...

etwa 2 Monate ago | 3

Answered

How to find the arc length of a trajectory?

Maybe it helps if you know the center coordinates and the radius of your circle -after that you can calculate the angles and use...

How to find the arc length of a trajectory?

Maybe it helps if you know the center coordinates and the radius of your circle -after that you can calculate the angles and use...

etwa 2 Monate ago | 0

Answered

Conversion of 2000x3 decimal matrix .txt file into binary 2000x3 .txt file

This should work: A = readmatrix('test_input_xyz.txt'); [sz1, sz2] = size(A); A = reshape(A,[],1); B = sdec2bin(A,12); B = ...

Conversion of 2000x3 decimal matrix .txt file into binary 2000x3 .txt file

This should work: A = readmatrix('test_input_xyz.txt'); [sz1, sz2] = size(A); A = reshape(A,[],1); B = sdec2bin(A,12); B = ...

etwa 2 Monate ago | 1

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