Sadiq Akbar
I am Sadiq Akbar, a keen learner in Matlab
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Pregunta
How can we reduce the execution time of this whole code?
I want to minimize the "execution time" of the code given in the attachment. You can run the m file "main".
alrededor de 6 horas hace | 0 respuestas | 0
0
respuestasPregunta
Why legend is not displayed?
How can I display the legend at my desired side outside the figure? I run the following code but it doesn't work: clear all; cl...
3 días hace | 1 respuesta | 0
1
respuestaPregunta
How to display a message as flashing and in my desired color and font size?
I want to display the following message in flashing and in my desired color and font size: " Yes, the error is the same " I ...
7 días hace | 2 respuestas | 0
2
respuestasPregunta
How to remove all for-loops with vectorization?
I have the following piece of code. I have posted similar codes earlier also and therefore 1st I tried myself to vectorize it bu...
21 días hace | 1 respuesta | 0
1
respuestaPregunta
How to replace all row vectors except 1st according to the difference?
I have a matrix named as 'two' of size 100 x 4. I have also a singe row vector u=[-55 55 65 -65]; Let we find the error ...
23 días hace | 1 respuesta | 0
1
respuestaPregunta
How to replace the array data in workspace data?
I have three Mat files namely '2sn0dB.mat', '3sn0dB.mat' and '4sn0dB.mat'. All of them have array 0f size 100 x 1 and having sam...
23 días hace | 1 respuesta | 0
1
respuestaPregunta
How to replace the values of a vector from desired location to its end?
I have three vectors a, b and c given below. I want to replace all the values of 'a' from my desired location say for example fr...
24 días hace | 2 respuestas | 0
2
respuestasPregunta
How to arrange a matrix in descending order w.r.t rows?
If we have a large matrix and we want to arrange it in descending order i.e., the largest row shoud come on top, then 2nd larges...
26 días hace | 2 respuestas | 0
2
respuestasPregunta
How to find the vector b if we know the RMSE?
If we have two vectors given by: a=[3,6,8,20,35,45]; b=[3.0343, 6.2725, 8.5846, 18.3781, 34.2025, 44.9699]; Then its Mean Squ...
27 días hace | 2 respuestas | 0
2
respuestasPregunta
How to replace all for-loops ?
I had posted a function here for vectorization. Now this is the same function and even I tried myself to replace all for-loops l...
29 días hace | 1 respuesta | 0
1
respuestaPregunta
How to recover Mat data?
I had saved my worksapce data with the name 'abc'. This had many variables some of which were scalars and some of which were vec...
alrededor de 1 mes hace | 1 respuesta | 0
1
respuestaPregunta
I don't understand why does it give error?
I downloaded the following code from Mathworks site whose URL is : URL: https://www.mathworks.com/matlabcentral/fileexchange/52...
alrededor de 1 mes hace | 1 respuesta | 0
1
respuestaPregunta
How to vectorize this piece of code by replacing all the for-loops?
I want to vectorize the following piece of code so that it becomes fast. But M and N can be only coprime numbers and N < M alway...
alrededor de 1 mes hace | 2 respuestas | 0
2
respuestasPregunta
How to reduce its execution time and why the value of e is a column vector?
I have the following piece of code. clc;clear all; c = 340; f = 3400; d = c/f/2; T = 1; ...
alrededor de 1 mes hace | 2 respuestas | 0
2
respuestasPregunta
how to reduce its computing time?
u=[30 40 50 70]; b=u; [~,C]=size(b); P=C/2; M=10; xo=zeros(1,M); yo=zeros(1,M); zo=zeros(1,M); for k=1:M for i=1:...
alrededor de 1 mes hace | 1 respuesta | 0
1
respuestaPregunta
Why does it give wrong answer?
I took a code from the Mathworks site given below: URL: https://www.mathworks.com/help/phased/ref/rootmusicdoa.html N = 10; d...
alrededor de 1 mes hace | 0 respuestas | 0
0
respuestasPregunta
Why this code gives error on line 47?
I downloaded the code attached from the following URL of Mathworks site: URL: https://www.mathworks.com/matlabcentral/fileexcha...
alrededor de 1 mes hace | 1 respuesta | 0
1
respuestaPregunta
How to reduce its execution time?
I have the following piece of code. It works but takes time. How can we reduce its time to a very minimum value? u=[1 3 5 7 20 ...
alrededor de 1 mes hace | 2 respuestas | 0
2
respuestasPregunta
Same code but different results-very strange?
I asked a question on December 10, 2022 on this forum. The URL of the question is: https://www.mathworks.com/matlabcentral/answ...
alrededor de 2 meses hace | 0 respuestas | 0
0
respuestasPregunta
How to invoke and use GA tool in Matlab R2022b?
I typed optimtool in Matlab R2022b to invoke the GA Tool but its' not there. Can anybody guide me how to invoke and use GA tool ...
alrededor de 2 meses hace | 1 respuesta | 0
1
respuestaPregunta
How to copy data of one or more variables from one Mat file to another Math file?
I have two Mat files namely 2sn20 and 2sn20Vectorized. They have data of different variables. Some of them are scalars and some ...
alrededor de 2 meses hace | 2 respuestas | 0
2
respuestasPregunta
How to vectorize this piece of code and why doesn't e come out to be zero though it must come out to be zero because u and b are equal?
u=[30 50 75 -30 -50 -75]; b=u; Noise=5; M = 6;%Constant1 N = 6;%Constant2 d = 0.5;%Constant3 K = length(u)/2; %Cons...
2 meses hace | 2 respuestas | 0
2
respuestasPregunta
Why this gives error?
I downloaded the attached codes " hPSO1.m", and "hPSOoptions.m" and tried to run it with my fitness function"myfitness.m" (also...
3 meses hace | 1 respuesta | 0
1
respuestaPregunta
Vector form of for loop?
I have a piece of code that works fine. But it has a for loop as below: M=5; N=10; abc=0.0; for m1=1:M*N abc=abc+(abs(yo(...
3 meses hace | 1 respuesta | 0
1
respuestaPregunta
All is correct but this code gives error?
I downloaded a file from the Mathworks file exchange and tried to run it, but it was giving error. Then I commented the function...
3 meses hace | 1 respuesta | 0
1
respuestaPregunta
Why does histogram gives issues? I rephrased my question
I have the following set of data: fitness1=rand(100,1)*1e-7; fitness2=rand(100,1)*1e-5; fitness3=rand(100,1)*1e-3; Each set ...
3 meses hace | 2 respuestas | 0
2
respuestasPregunta
How to reduce the size of legend in a fig file?
I have a MATLAB figure "abc.fig". The size of the legend is very large and has covered the graphs. I want to reduce its size and...
4 meses hace | 1 respuesta | 0
1
respuestaPregunta
Can we convert a jpg or png image into a fig file via Matlab?
If we have a *.jpg or *.png image and we want to convert it to *.fig image using MATLAB code, how will we do it?
4 meses hace | 1 respuesta | 0
1
respuestaPregunta
How to draw CRLB (Cramer Rao Lower Bound) for RMSE vs Noise?
I have the following estimation of RMSE for Noise varying from 10 to 40. How to draw its CRLB graph? RMSE=[0.1252 0.0914 ...
4 meses hace | 0 respuestas | 0
0
respuestasPregunta
Why this piece of code gives error?
The following piece of code gives error: Positions=rand(30,3); fobj=@fun4sn0; for i=1:size(Positions,1) Fit(i) = fobj(Po...
4 meses hace | 1 respuesta | 0
1
respuesta
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