Carlos Guerrero García
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sketch the graph of the function: f(x,y)= 1+2x^2+2y^2
The usage of polar coordinates must be useful: [rho,theta]=meshgrid(0:0.1:2,0:pi/60:2*pi); x=rho.*cos(theta); y=rho.*sin(thet...
plus de 3 ans il y a | 0
How do I plot the following function? (I don't have syms function either)
I recommend the usage of the commando called "plot3" r= ... % range for r ux =0.*r % ux must be a vector uy = -0.125.*r+1.125...
plus de 3 ans il y a | 0
how can I use partfrac command?
I suggest the following code: syms s; laplace(ilaplace((8*s^2+37*s+32)/((s+1)*(s+2)*(s+4))))
plus de 3 ans il y a | 0
Draw 3D object.write code in 2016a version. Help me,thanks!
Is the same question that https://es.mathworks.com/matlabcentral/answers/430986-draw-3d-object-code-this-in-2016a-version-help?...
plus de 3 ans il y a | 0
Draw 3D object. code this in 2016a version.help!
Is this the same question that https://es.mathworks.com/matlabcentral/answers/430684-draw-3d-object-write-code-in-2016a-version...
plus de 3 ans il y a | 0
How to draw D in 3D ?
There is a wrong sign in the KSVV isolation of z in the first equality, and so, the D1 definition must be D1=(4-X^2-Y^2).^0.5 ...
plus de 3 ans il y a | 0
Problem in x and y trajectory.
After the first (x,y,z)=(1,0,1) assignment, the lines before velocity states (X,Y,Z)=(-10,-280; 280-8/3)=(-10,-280,832/3), and s...
plus de 3 ans il y a | 0
How can I graph the following parametric functions on a 3d graph?
And...what about an animation? [THETA,PHI]=meshgrid(0:2*pi/60:2*pi,0:pi/60:pi); for R=0.1:0.01:2; mesh(R.*cos(THETA).*sin...
plus de 3 ans il y a | 0
scatter3 plot to a mesh plot or surface plot
I don't know what kind of surface do you want to add...perhaps something like this??? x = [0 -9 9 0 -9 9 0 -9 9 0 -9 9 0 -9 9];...
plus de 3 ans il y a | 0
how do you graph z=sqrt(9-r^2cos^2(theta))?
I think that Carter Pennington was talking about the parametrized surface x=r*cos(theta) y=r*sin(theta) z=sqrt(9-r^2*(cos(the...
plus de 3 ans il y a | 0
How do I plot x^2+z^2=9 above the xy plane and between y=-1 and y=2?
The z definition z=sqrt(9-x^2) is not for the below part of the surface. I prefer not using symbolic variables for the represent...
plus de 3 ans il y a | 0
Integral for the outer surface area of the part of hyperboloid formed by a hyperbola
Here I post the graph of the two-sheet hyperboloid, using the following lines. I hope it will be useful for another surface of r...
plus de 3 ans il y a | 0
Problems with truncated top of the graph
In the line axis([0 6000 0 6000 0 2500]) delete the limits in the z-axis, i.e. use the following line instead: axis([0 6000 0...
plus de 3 ans il y a | 0
| A accepté
integral2 error, bu the function works
A sketch of the function: [x,y]=meshgrid(0:0.01:1); % The region in the statement surf(x,y,1-exp(-0.01*abs(x-y))); % Plotting ...
plus de 3 ans il y a | 0
Integral2 Error message
syms x y; int(int(x/y+y/x,1,2),1,4) vpa(ans)
plus de 3 ans il y a | 0
How to fix errors within double integral.
For plotting the region, I suggest the following code: x=-3:0.05:3; % Setting up the range of X y=sqrt(9-x.^2); % Calculating ...
plus de 3 ans il y a | 0
Having problems with this triple integral
The exercise ask for the evaluation using cylindrical coordinates and you're not using cylindrical coordinates in your code. Als...
plus de 3 ans il y a | 0
calculating Double integral over a region
When you define "fun", the variable "aa" is undefined yet. Also, because the variables "x" and "y" doesn't appear in the "fun" d...
plus de 3 ans il y a | 0
Error in the script
If you put the title and then plot without "hold on" you never see the title (swap title and plot instructions), but your error ...
plus de 3 ans il y a | 0
sin(x)^2
Perhaps the following lines will be useful: syms x; % Establishing 'x' as a symbolic variable combine(sin(x)^2,'sincos') % For...
plus de 3 ans il y a | 0
how can I find the surface area and the volume through this code?
The surface which area (and volume) is found, can be visualized using the following code: v =[2;0;1;9;0;1;3;0;1]; % Line in the...
plus de 3 ans il y a | 1
How to plot sin(xy)=sin(x)+sin(y)?
"contour" command provides another way to plot an implicit function defined by an expression like F(x,y)=0. For the implicit fun...
plus de 3 ans il y a | 2
please help me plot this two odefunction yy'+36x=0 and xy'=y^2+y
Your goal is not clear for me, but I try to help. Because we can separate the varaibles in both odes, the general solution of th...
plus de 3 ans il y a | 0
| A accepté
Find the value of a
Hi Trenton...!!! You can find my suggestion for an animation plot in https://es.mathworks.com/matlabcentral/answers/593245-fin...
plus de 3 ans il y a | 0
Plotting a section of a hemisphere using parametric equations
Another way for changing the theta and/or phi values is theta=[0:pi/36:2*pi]; phi=[0:pi/36:pi/4]; Anyway, I suggest not to cr...
plus de 3 ans il y a | 0
how to fix my code and how to find the area of the regon
The area can be found as follows (the explanation can be found in any Calculus text. I think that here is not the right place fo...
plus de 3 ans il y a | 0
How to compute the area of cardioid r=2(1+cosx)
I think that you only need a graph (to be included in the statement of an exercise, example,...) I hope the following code will...
plus de 3 ans il y a | 0
AREA OF POLAR CURVE
I think you're talking about the area of a region bounded by a polar curve (the area of a region bouuded by a curve, not the are...
plus de 3 ans il y a | 0
HELP! Double integration set up!
Just use the "vpa" instruction (variable precision arithmetic) after your script: syms x y int(int(exp(1)^x,x,1,log(y)),1,exp(...
plus de 3 ans il y a | 0
