photo

Aisha Mohamed


Last seen: ongeveer een jaar ago |  Active since 2021

Followers: 0   Following: 0

Statistics

  • Thankful Level 3

View badges

Feeds

View by

Question


How these figures changed?
I plotted these functions in the extended complex plane and some experts in this community helped me to analyze these figures an...

ongeveer een jaar ago | 0 answers | 0

0

answers

Question


why I have this discontinuity when I plot the following function by using the MATLAB?
I used Matlab to plot the phase of this function $f_k(z)= (-0.1540 + 0.2600i)+ ( 0.4347 + 0.0914i)z+( 0.7756 - 0.4566i)z^2.$, b...

ongeveer een jaar ago | 0 answers | 0

0

answers

Question


How to find the information about position x and momentum p from this MATLAB figure?
I plotted the following Wigner function W(x,p) where (x) is the position and (p )is the momentum, begin{equation} f(x)=exp(-x^...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


How can I change the symbol z to w in this figure?
In the following figure, how can I change the symbol z to w in this figure because I do not want to be confused with other z i...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


Can anyone plot these function by using Matlab (R2023a version) or (R2023b version) and show me if there is any differenc between my figures and the Matlab (R2023a version)
I ploted these two functions in the extended complexplain $\mathbb{C} \cup \{ \infty \}$ \begin{align*} f_k(z)=(0.10+0.3i) + ...

meer dan een jaar ago | 2 answers | 0

2

answers

Question


Could anyone give me more information about this vergin of Matlab?
I I used this issuance of Matlab to plot my functions, and I want some information about its accuracy and how many issuances c...

meer dan een jaar ago | 3 answers | 0

3

answers

Answered
How can I plot Several figures with one caption in a two-column Latex document?
I solved this issue by using this package \documentclass[twocolumn,12pt]{article} \usepackage{graphicx} \usepackage{subcapt...

meer dan een jaar ago | 0

| accepted

Question


How can I plot Several figures with one caption in a two-column Latex document?
Hi Dear I am tring to insert Several figures with one caption in a two-column Latex document as the figure given below but it ...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


Why some points do not satisfy the condition?
The following the projected curves (thanks to all experts) which represent discontinuty of the phase of this function p = (-0...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


How can I change the variable (z) by any other variable such as (w) in the figures?
When I plot this figure and I want to show some points on it, I have got the varibles for example (x=-0.645, y=0.585 and z= -0...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


how to solve the following equation by using Matlab
Hi all When we solved this equation \begin{align} f(z)=(0.10-0.3i) z^{-1} + (0.2121 - 0.0008i) z^{-2} +(0.9+0.001i)z^{-3}=0...

bijna 2 jaar ago | 2 answers | 0

2

answers

Question


How can I plot this function?
Hi all I have this function , $W(x,p)=\sqrt{\frac{\pi}{2}}exp(\frac{(-p^2)-4p\lambda_I-4\lambda_{I}^2-16x^2+16\lambda_Rx+16d...

ongeveer 2 jaar ago | 2 answers | 0

2

answers

Question


what the difference between the phase and arctan?
Hi all When z=x+iy. I know (if I am correct ) that tan^-1(y/x) = arctan(y/x) =atan(y/x) = atan2(y,x) we use these expressi...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


How to apply Taylor in this equation?
Hi all I am really sorry because I have just now found (Bruno Luong answered your question what does the positive and negative ...

ongeveer 2 jaar ago | 0 answers | 0

0

answers

Question


why this overlap happen here?
Hi all I am working on this function f_b(1/z) = (0.10 − 0.3i)z −1 + (0.2121 − 0.0008i)z −2 + (0.9 + 0.001i)z −3 and I wrote it...

ongeveer 2 jaar ago | 0 answers | 0

0

answers

Question


what does the positive and negative values concave mean?.
I am studying the behavoure of this function p=[(0.9000 - 0.0010i) (0.4243 + 0.0017i) (0.1000 + 0.3000i)]; and when I plotted ...

ongeveer 2 jaar ago | 1 answer | 1

1

answer

Answered
where the jump of the phase function happen?
Thanks Bruno I know my a little information do not compare with expers like you and other experts in this group, but really I w...

ongeveer 2 jaar ago | 0

| accepted

Question


where the jump of the phase function happen?
I know that (if Iam correct), phase(f(z)) =arctan(f(z)) ,(where f(z) is complex number ) is multivalued function, that means fo...

ongeveer 2 jaar ago | 2 answers | 0

2

answers

Question


Where is the wrong in this code??
Because I trust the answers of all the Matlab experts in this group, and I thank all of them. The genius expert Torsten saw that...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


why the figure of cos function does not symmetric around y axis?
I am tring to describe the figurs of these function . fk(z) = (0.1000 + 0.3000i) + (0.4243 + 0.0017i)z + (0.9000- 0.0010i)z2 ...

ongeveer 2 jaar ago | 1 answer | 0

1

answer

Question


what dose z represent in this graph?
I am studying these graphs , and I really confused in some points here. 1- when we take arbitrary point in this figure for exam...

meer dan 2 jaar ago | 0 answers | 0

0

answers

Question


Why the figure of the phase discontinuous?
I ploted these function by MATLAB p=[ ( 0.9000 - 0.0010i) (0.4243 + 0.0017i) (0.1000 + 0.3000i) ]; %this function deno...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


What dose this mean?
I know the magnitude of complex number a+ib is the sqrt(a^2+b^2).and the magnitude of the complex function for examble (f(z)=ab...

meer dan 2 jaar ago | 2 answers | 0

2

answers

Question


is this expression right in MATLAB?
Hi I know when I want to write the polynomial f(z) = (0.0001) + (0.0174)z + (0.9999)z2 in MATLAB it will be in this ...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


Is it necessary to use the same period of zlim and caxis when we plot the second order function and its cosin?
I am tried to plot the second order function (thank you very much for all who helped me to do that ) . My question is Is it ...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


How to plot cosine of complex function of third degree?
I plot the phase of this function fb(z) = (0.1496 − 0.1692i)z^−1 + (0.2472 + 0.0916i)z^−2 + (−0.8196 − 0.3718i)z^−3 by using ...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


how can I plot the cosine of this function f(1/z) = (0.1000 -0.3000i)z^-1 + (0.2121-0.0008i)z^-2 + (-0.9000-0.0010i)z^-3
How can I plot the cosin of this complex function: f(1/z) = (0.1000 -0.3000i)z^-1 + (0.2121-0.0008i)z^-2 + (-0.9000-0.0010i)z^...

meer dan 2 jaar ago | 0 answers | 0

0

answers

Question


How can I plot this function such as all values of |f(1/z)| be more clear and how can I plot the cosine of the phase of this function ?
When I plot this function (thanks for every help). f(1/z) = (0.1000 -0.3000i)z^-1 + (0.2121-0.0008i)z^-2 + (-0.9000-0.0010i)z^...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


how to put many small text boxes that display information about individual data points in the same figure?.
I am trying to use data cursor in Matlab to identfy many point in the same figure, but the previous point disapper when I identi...

meer dan 2 jaar ago | 1 answer | 0

1

answer

Question


I used different codes to plot the phase of this function f(z) = (0.10 + 0.3i) + (0.4243 + 0.0017i)z + (0.9 − 0.001i)z^2 why I always find discontinuity at Z_R =0
I used the folloing 2 codes from Davidgoodman and Torsten (Thank you very much for all of them) respectivally to plot this fu...

meer dan 2 jaar ago | 0 answers | 0

0

answers

Load more