# Aisha Mohamed

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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...

7 maanden ago | 0 answers | 0

### 0

answersQuestion

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...

7 maanden ago | 0 answers | 0

### 0

answersQuestion

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^...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

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...

10 maanden ago | 1 answer | 0

### 1

answerQuestion

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) + ...

10 maanden ago | 2 answers | 0

### 2

answersQuestion

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...

10 maanden ago | 3 answers | 0

### 3

answersHow 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...

12 maanden 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 ...

12 maanden ago | 1 answer | 0

### 1

answerQuestion

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...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

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...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

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...

ongeveer een jaar ago | 2 answers | 0

### 2

answersQuestion

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...

meer dan een jaar ago | 2 answers | 0

### 2

answersQuestion

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...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

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 ...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

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...

meer dan een jaar ago | 0 answers | 0

### 0

answersQuestion

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 ...

meer dan een jaar ago | 1 answer | 1

### 1

answerwhere 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...

meer dan een 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...

meer dan een jaar ago | 2 answers | 0

### 2

answersQuestion

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...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

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 ...

meer dan een jaar ago | 1 answer | 0

### 1

answerQuestion

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 een jaar ago | 0 answers | 0

### 0

answersQuestion

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 een jaar ago | 1 answer | 0

### 1

answerQuestion

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 een jaar ago | 2 answers | 0

### 2

answersQuestion

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 een jaar ago | 1 answer | 0

### 1

answerQuestion

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 ...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

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 ...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

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^...

bijna 2 jaar ago | 0 answers | 0

### 0

answersQuestion

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^...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

bijna 2 jaar ago | 1 answer | 0

### 1

answerQuestion

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...

bijna 2 jaar ago | 0 answers | 0