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Questions tagged [angle]

A shape, formed by two lines or rays diverging from a common point (the vertex).

Angle is also used to designate the measure of an angle or of a rotation. This measure is the ratio of the length of a circular arc by its radius. In the case of an angle (figure), the arc is centered at the vertex and delimited by the sides. In the case of a rotation, the arc is centered at the center of the rotation and delimited by any point and its image by the rotation.

Source: mathopenref wikipedia

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Get angle between two lines of a time series in Matlab

How can I calculate angle in degrees between lines AB and BC in Matlab? Time-series
Adrian Boko
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Python : Trying to convert resultant and angle to original i and j values.

Im trying to get python to take a resultant value and angle value to return the original i and j values of a vector. I can get it to go from i and j values to resultant and angle but it is tricky the other way around. #vector conversion (x,y)…
Jacob Smith
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Determine if an arc represents an reflex or acute angle

I have this seemingly simple but very confusing problem. Given I have a set of vertices (x1,y1), (x2,y2), (x3,y3)...... representing an arc. The points can either be clockwise or counter clockwise, but are all similarly ordered. And I know the…
Abel Tan
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Angle between two lines in Maple

I am trying to find the angle between two lines in Maple, but I keep getting this error. `restart: with(Student[MultivariateCalculus]): a:=Line([0,0],[0,2]); a := << Line 1 >> b:=Line([0,0],[2,0]); b := << Line…
Jerry
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Angles between two lines in maple

It is probably really simple, but I have checked everywhere and it still doesn't work for me. How do you fine the angle between two lines. Lets say we have two line: with(LinearAlgebra): x:=Line([0,0],[2,0]): y:=Line([2,0],[2,2]): How do I find the…
Jerry
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angle between vectors - only length-1 arrays can be converted to Python scalars

I have two 2D vectors v0L and v1L. def magnitude(v1): return(np.sqrt(v1[0]**2 +v1[1]**2)) def angle(v1, v2): return acos(np.dot(v1, v2) / (magnitude(v1) * magnitude(v2))) angle(v0L,v1L) Why is this giving me a " only length-1 arrays can…
Brandon P
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Bypass/Avoiding obstacle when the angle between the vector velocity and detected point is 90

I have the detected point by the sensor, I have velocity vector, the sensor position, drone position, the distance between the sensor and the detected point. I'm trying a couple of days without solution. How can i bypass the obstacle in 90 degrees?…
user4810410
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How to know if a dihedral angle is + or -?

In several posts post1 and post2 have been shared how to obtain a dihedral angle with four points or their two planes. But ... How can one know if that dihedral angle is positive or negative? What I have in mind to clasify them is the following…
Another.Chemist
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About vector and angle (Dot product?)

Hello I have a question about this It's from http://www.vitutor.com/geometry/vec/angle_vectors.html To find AB->, from what i saw it uses this: AB = -A + B = (-6,0)+(3,5)=(-3,5) My Question is, is it possible to find coordinate from more vertices…
Muhamad Ridho Maulana Mustaqim
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In Adobe Photoshop drop shadow angle shadow

I have problem with drop shadow for specific layer with angle shadow if I changed for one layer it's change for all layersenter image description here!! why??
Khalid Al-araj
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Triangle Geometry Query

I'm hoping someone can help me out. My trigonometry is a bit rusty! See link below. I know all three coordinates and all three distances. What I want to calculate are the coordinates of the red dot! I'm hoping it might be an easy answer…
Bmil
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Core Graphics angle gradient for gauge

I'm trying to apply an angle gradient to the dashes created with the code I've written inside a custom UIView class, as below. Although it needs tweaking, I'm happy with the results it produces so far. Given the input parameters in the view…
Max
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Center the Top Down Camera on 65 Degrees

I am devoloping a TopDown-Shooter with Unity. The camera to follow the player got its transform position: 0,20,0 rotation: 65,0,0 The camera is using this simple follow command: private void Update() { transform.position = new…
Garzec
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Ruler Tool in C#

I need to make a tool that allows to, Measure screen distances by using a ruler. I currently have no code for either of these tools, any code for measuring distances and angles would be much appreicated. Thanks in Advance
Chris Bacon
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Finding Angle in SSS Triangle JAVA

I need help calculating the angle between the 5 and the 3. I have absolutely no idea how to even model the question, let alone convert it to java. This is entirely specific, does not need to be abstracted. int a=3; int b=4; int c=5; is honestly as…
plshelpTriangles
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