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Question

Euler method: ODE with different initial conditions

I want to solve an ODE by Euler method with different initial conditions. I have used for y(1)=0.5:0.05:1.5; as the different ...

7 dagen ago | 1 answer | 0

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answerQuestion

How to color the region between the cyan, black and blue curves

How to color the region between the cyan, black and blue curves clear all format long set(0,'DefaultAxesFontSize',20); figu...

ongeveer een maand ago | 1 answer | 0

### 1

answerQuestion

How to load matcont data file and plot

I want to plot the data file of a two parameter bifurcation diagram. clear all format long set(0,'DefaultAxesFontSize',20)...

ongeveer een maand ago | 1 answer | 0

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answerQuestion

How to separately color regions R1, R2, R3, R4 in the 1st quadrant of (delta,theta) plane

How to separately color regions R1, R2, R3, R4 R_1={(δ,θ)│DD>0, δ>0.3414, θ<1.8758} R_2={(δ,θ)│DD=0, δ>0.3414} R_3={(δ,θ) | ...

ongeveer een maand ago | 1 answer | 0

### 1

answerQuestion

How to write x-ticks in latex.

How to write x-ticks in latex. I tried with xticklabels({'x_m','x_2'},'interpreter','latex') But failed. Please suggest or ...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

I want to put arrows on each of the lines parallel to x-axis using LOOP

I want to put arrows on each of the lines parallel to x-axis using LOOP Here I am able to put one arrow. Using q = 0.2:.2:1; ...

3 maanden ago | 1 answer | 0

### 1

answerQuestion

How to plot vectorfield in the phase portrait ..... How to modify the code....

clear figure hold on epsilon=0.01;omega=0.112;theta=0.14;gamma=2.54; sys = @(t,x) [-x(1)*(x(1)-theta)*(x(1)-1)-x(2)+omega;ep...

4 maanden ago | 0 answers | 0

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answersQuestion

How to plot planes parallel to the coordinate axes given by

How to plot planes parallel to the coordinate axes given by y = linspace(0,5) ; x = linspace(0,5) ; [Y,X] = meshgrid(y,...

7 maanden ago | 1 answer | 0

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answerQuestion

How to plot the surface of the parabolic cylinder $y^2=8x$ in the first octant bounded by the planes $y=4$ and $z=6$?

How to plot the surface of the parabolic cylinder in the first octant bounded by the planes y=4 and z=6? Y = linspace(0,4,10...

7 maanden ago | 1 answer | 0

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answerQuestion

How to move the axes so that they start from the center of the sphere (0,0,0)

()1 How to move the axes so that they start from the center of the sphere (0,0,0) (2) If I only want to keep the boundary curv...

8 maanden ago | 2 answers | 0

### 2

answersQuestion

I want to highlight the curve of intersection of the sphare and the plane x+y+z=0 by a thick blue curve. How to do that?

I want to highlight the curve of intersection of the sphare and the plane by a thick blue curve. How to do that? I have tried t...

8 maanden ago | 1 answer | 0

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answerQuestion

How to plot the following surface

How to plot the following surface: Which type of parametrization is required to plot it... please give me a code

8 maanden ago | 3 answers | 0

### 3

answersQuestion

How to plot such a complete figure by matlab. The hemisphere is $x^2+y62+z^2=4$ and the cylinder is $x^2+y^2=1$ with bases $z=0$ and $z=\sqrt{3}$

How to plot such a complete figure by matlab. The hemisphere is $x^2+y62+z^2=4$ and the cylinder is $x^2+y^2=1$ with bases $z=...

8 maanden ago | 1 answer | 0

### 1

answerQuestion

In pplane8, how to increase the number of parameter boxes from 6 to 8

In pplane8, there can be maximum 6 parameter boxes as shown in the attached fig......how to increase the number of parameter box...

ongeveer een jaar ago | 1 answer | 0

### 1

answerQuestion

How to get such types of multiple arrows using annotation('textarrow',[0.786 0.775],[0.763 0.763]); or else

How to get such type of double arrows at the right of each line using a loop? p = 0.3:.5:3.5; plot([0; 10.5],[p; p], 'col...

ongeveer een jaar ago | 0 answers | 0

### 0

answersQuestion

How to get a solid circle encircled by another circle and solid circle encircled by a square

I am using plot(X,Y,'o','MarkerFaceColor', 'k') to get solid circle. But I want to get a solid circle encircled by another ci...

meer dan 2 jaar ago | 1 answer | 0

### 1

answerQuestion

How to plot the phase potrait of piecewise smooth model

I want to plot the phase portrait of the following system How to do this? Please help.

meer dan 2 jaar ago | 0 answers | 0

### 0

answersQuestion

How to insert arrows at the middle of each of the parallel lines

In the follwoing I want to insert arrows at the middle of each of the parallel lines p = 0.01:.05:1; figure(1) plot([0; 1...

meer dan 2 jaar ago | 2 answers | 0

### 2

answersQuestion

How to plot this implicit function

I need a beta vs eps plot of the curve t^2-d. The expression of t and d depends on x, y where x, y depend on beta. Please help. ...

meer dan 3 jaar ago | 1 answer | 0

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answerQuestion

How to plot $40b^2x-9b^2-60bx+72b-144=0$

How to get a (b,x)-plot of the curve where b varies from 0 to 10 and x varies from 0 to 1 I have tried the following ezpl...

meer dan 3 jaar ago | 1 answer | 0

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answerQuestion

Plotting only the maximum and minimum amplitude of the coexistence periodic orbit vs d

I am using matcont. I want to get the one parameter bifurcation diagram d vs x x'=s*x*(1-x)*(x-b)-(1+a*y)*x*y/(1+h*(1+a*y)*x) ...

meer dan 3 jaar ago | 0 answers | 0

### 0

answersQuestion

How to get different colours for different regions for this problem

How to get different colours for different regions for this problem? Here are 10 regions and I want to colour the regions? How t...

meer dan 3 jaar ago | 1 answer | 0

### 1

answerQuestion

Need the backward trajectories of ode plot

I have a system of differential equations which I can solve by Euler's method. The following code gives a plot of a trajectory t...

meer dan 9 jaar ago | 1 answer | 0

### 1

answerQuestion

How to solve odes without using ode package rather using RK4 method.

How to solve system of ODES without using Ode package rather using RK4 method and plot(t,y1,t, y2,t, y3). dy1/dx = 3*y1+y2; ...

meer dan 9 jaar ago | 0 answers | 0

### 0

answersQuestion

How to plot a BAR chart

How to plot a BAR chart with the following data X: 28-30 22-27 13-21 8-12 4-7 Y: 3 16 70 8 3

meer dan 9 jaar ago | 1 answer | 0

### 1

answerQuestion

solve an expression and plot

Suppose, for each alpha, I have to find a delta which is the highest positive root of the equation A^2-4*B*beta=0. The expressi...

meer dan 9 jaar ago | 2 answers | 0

### 2

answersQuestion

Implicit function plot of function having discontinuity at origin.

I have a implicit function to be plotted which is (1-x)-a*x.*y./(x.^2+b*y.^2) where a =.1; b=.001;. Note that there is a discont...

meer dan 9 jaar ago | 2 answers | 0

### 2

answersQuestion

How to change color of x and y axis by red and blue

I want to change the color of each axis by red & blue? x=0:.1:1 axis([0 1 0 1]); y=x.*(1-x); plot(x,y,'g'); ...

meer dan 9 jaar ago | 1 answer | 0

### 1

answerQuestion

How to color RED to the lower portion of the curve

How to color RED to the lower portion of the curve y=x^2 x = 1 : 0.1 : 10; y = x.^2; plot(x,y) axis([1 10 0 100])

bijna 10 jaar ago | 1 answer | 0

### 1

answerQuestion

How to get the positive root of the cubic a*x^3+3*b*x^2+3*c*x+d=0

How to get the positive root of the cubic a*x^3+3*b*x^2+3*c*x+d=0 where a=1,c=b+2, d=-3 and b=.1:.1:2. If rr is the root, fi...

bijna 10 jaar ago | 3 answers | 0