# How do you find the coordinates of a cylinder?

## How do you find the coordinates of a cylinder?

Finding the values in cylindrical coordinates is equally straightforward: r=ρsinφ=8sinπ6=4θ=θz=ρcosφ=8cosπ6=4√3. Thus, cylindrical coordinates for the point are (4,π3,4√3). Plot the point with spherical coordinates (2,−5π6,π6) and describe its location in both rectangular and cylindrical coordinates.

## How do you plot cylindrical coordinates in Matlab?

Cylindrical Coordinates in Matlab

1. z = x 2 + y 2 .
2. A standard drawing technique involves drawing traces of the function in the coordinate planes.
3. In similar fashion, set x = 0 in z = x 2 + y 2 to obtain the trace in the y z -plane having equation z = y 2 .

How do you convert Cartesian coordinates to polar coordinates in Matlab?

[THETA,RHO] = cart2pol(X,Y) transforms two-dimensional Cartesian coordinates stored in corresponding elements of arrays X and Y into polar coordinates.

How do you plot a circle in Matlab?

1. function h = circle(x,y,r)
2. hold on.
3. th = 0:pi/50:2*pi;
4. xunit = r * cos(th) + x;
5. yunit = r * sin(th) + y;
6. h = plot(xunit, yunit);
7. hold off.

### How do you convert Cartesian to cylindrical coordinates in MATLAB?

[ theta , rho , z ] = cart2pol( x , y , z ) transforms three-dimensional Cartesian coordinate arrays x , y , and z into cylindrical coordinates theta , rho , and z .

How do you graph a circle equation?

Graphing Circle Functions : Example Question #10 The equation of a circle is \displaystyle (x – h)^2 + (y – k)^2 = r^2, in which (h, k) is the center of the circle and r is its radius. Because the graph of the circle is centered at (0, 0), h and k are both 0.

How many coordinates does X and Y have in Wolfram?

Instead of having two coordinates { x, y } we have three: { x, y, z }. In the Wolfram Language, x by default goes across the screen, y goes “ into ” the screen, and z goes up the screen.

#### Is vector analysis available in the Wolfram Language?

As of Version 9.0, vector analysis functionality is built into the Wolfram Language . Cylindrical. represents the cylindrical coordinate system with default variables Rr, Ttheta, and Zz. Cylindrical[r,θ,z] represents the cylindrical coordinate system with variables r, θ, and z.

#### What are the default variables for the cylindrical coordinate system?

Cylindrical represents the cylindrical coordinate system with default variables Rr, Ttheta, and Zz. Cylindrical [ r, θ, z] represents the cylindrical coordinate system with variables r, θ, and z.

How do I use cylindrical coordinates in a vector analysis?

To use Cylindrical, you first need to load the Vector Analysis Package using Needs [ “VectorAnalysis`”]. Copy to clipboard. Copy to clipboard. All evaluations now use cylindrical coordinates as the default: