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Shreen El-Sapa


Last seen: 2 maanden ago |  Active since 2020

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How can I calculate the integral of associate LegendreP(1,n,theta)*cos(theta)^2 ?
How can I calculate the integral of associate Legendre function P(1,n,theta)*cos(theta)^2 ?

7 maanden ago | 1 answer | 0

1

answer

Question


How can I calculate the integral of Legendre function P(n,theta) ?
How can I calculate the integral of Legendre function P(n,theta) ? say: int(cos(theta)*P(n,theta),theta=0..pi) ;

7 maanden ago | 2 answers | 0

2

answers

Question


How can I appear the streamline around the spheres?
clc A=[ -0.2 0.1 -0.4 1.0 -2.1 3.9 -6.9 11.6 -18.7 29.2 -44.0 64...

7 maanden ago | 1 answer | 0

1

answer

Question


How can I plot the complete two circles vertical not horizontal ?
clc A =[ -1. 0. 0. 0. 0. 0. 0. 0. 0. -1. 1. -1. 1. ...

7 maanden ago | 1 answer | 0

1

answer

Question


How can I replace data on the axis to become u horizontal and y vertical?
y = 0:0.01:5; t1=0.1; t2=3;t3=5;t4=10; nu = 5; u0=1; figure(1) hold on u1 = u0.*erfc(y./2.*sqrt(nu*t1)); u2 = u0.*erfc(y....

8 maanden ago | 2 answers | 0

2

answers

Answered
How can I plot the streamlines in all region around the inside sphere ?
@Star Strider Dear Star,can I plot half circles only?

11 maanden ago | 0

Question


How can I plot the streamlines in all region around the inside sphere ?

11 maanden ago | 2 answers | 0

2

answers

Question


HOW can I export table in latex outside to desktop?
How can I get a table from matlab to desktop?

11 maanden ago | 1 answer | 0

1

answer

Question


How can I fill the inside circle with any color?
too long code

11 maanden ago | 1 answer | 0

1

answer

Question


How can I show the contour lines between the following two concentric spheres?
a =1 ; %RADIUS b1=0.1;b2=0.1;s=1;sb=0.2;s1=sb./s;j=0.1;EZ=1;zeta0=-1;beta=1;i=(-1).^(1./2); sigma=0.4; ur=1; alpha=.628;k=1...

11 maanden ago | 1 answer | 0

1

answer

Question


How can I plot the following function?
alpha=0.001:0.1:5; s=1;sb=.1;s1=sb./s;j=0.1;EZ=1;zeta0=-1;beta=1;i=(-1).^(1./2); sigma=0.1; ur=1;k=5;b1=0.1;b2=0.1;c=0.1; %%%...

12 maanden ago | 0 answers | 0

0

answers

Question


How can evaluate the integral (r*bessilei(1,k*r)) dr, k is a constant?
How can I evaluate the integral? fun = @(r) r.*besseli(1,5.*r);

12 maanden ago | 1 answer | 0

1

answer

Question


How can I write "StruveL function" in matlab?
How can I write "StruveL function" in matlab?

12 maanden ago | 1 answer | 0

1

answer

Question


How can i get table with data of u1,u2,u3,u4?

12 maanden ago | 1 answer | 0

1

answer

Question


I try to calculate the following integral
syms r sigma assume(sigma>0) assume(k>0 & k<1) L=int(r*besseli(0,a*r)*besselk(0,a*r)),r,sigma,1)

12 maanden ago | 2 answers | 0

2

answers

Question


how can I plot fluid through the cylinders
%t = 0:pi/18:2*pi; y=0:.01:3;x=0:.01:3; t = 0:pi/20:2*pi; y=0:.01:5;x=0:.01:5; %[X,Y,Z] = cylinder(.8*(1+.06*sin(5*t))); [X...

ongeveer een jaar ago | 0 answers | 0

0

answers

Question


Why the contours does not appear in the empty region?
A =[ 0.506207 -1.175631 3.791971 -8.367277 15.218631 -24.775942 37.354122 -53.596046 ...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


how can I plot the contours inside not outside?
clc A =[ 0.506207 -1.175631 3.791971 -8.367277 15.218631 -24.775942 37.354122 -53.59604...

meer dan een jaar ago | 1 answer | 0

1

answer

Question


How can I plot the contour lines between two spheres ?
I want to plot contours between the spheres

meer dan een jaar ago | 0 answers | 0

0

answers

Question


How can I wide the space between curves in the figure and between the numbers on the curves?

meer dan een jaar ago | 1 answer | 0

1

answer

Question


How can I get values in table?
k=0.0001:1:10; U=1;a=1;Zeta=0.1; alpha1=real(sqrt(Zeta.^2./2+Zeta.*sqrt(Zeta.^2-4.*k.^2)./2)); alpha2=real(sqrt(Zeta.^2./2-Ze...

bijna 3 jaar ago | 1 answer | 0

1

answer

Question


I can not make the figure landscape in the subplot
I can not make the figure landscape in the subplot

bijna 3 jaar ago | 1 answer | 0

1

answer

Answered
How can I display all parts of the contour?
I want to dispaly axes without values. Can you help me?

bijna 3 jaar ago | 0

Question


How can I display all parts of the contour?
How can I display all parts of the contour?

bijna 3 jaar ago | 1 answer | 0

1

answer

Question


I want to plot the half only in the attached figure. How can I do that?
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% %subplot(1,2,1) A =[ -16. 0. 0. 0. ...

bijna 3 jaar ago | 1 answer | 0

1

answer

Question


I want to plot two spheres. It appear as ellipses. Can anyone help me?
a=1; L=0.1; dd=5; c =-a/L; b =a/L; m =a*60; % [x,y]=meshgrid((c+dd:(b-c)/m:b),(c:(b-c)/m:b)'); [I, J]=find(sqrt(x.^2+y.^2...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


I want to obtain the values of streamlines and put it into legend.
see attached file

ongeveer 3 jaar ago | 1 answer | 0

1

answer

Question


Are Level in this box on the figure means constant psi ?
Are Level in this box on the figure means constant psi ?

ongeveer 3 jaar ago | 0 answers | 0

0

answers

Question


How can the velocity lines appear around the two spheres?
A =[ -4.7107 0.0012 -0.0056 0.0132 -0.0253 0.0435 -0.0689 0.1031 -0.1...

ongeveer 3 jaar ago | 0 answers | 0

0

answers

Question


plot stream over two spheres
A =[ -4.7107 0.0012 -0.0056 0.0132 -0.0253 0.0435 -0.0689 0.1031 -0.1473 0.2...

ongeveer 3 jaar ago | 1 answer | 0

1

answer

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