Questions tagged [vecmath]

13 questions
9
votes
6 answers

Import javax.vecmath

I would like to use javax.vecmath in my Java program but unfortunately it says: The import javax.vecmath cannot be resolved Should I add the jar by myself in the project? Where can I find that jar file? I'm on Ubuntu/Eclipse Galileo.
user319869
  • 165
  • 1
  • 1
  • 5
4
votes
1 answer

Vector Error Correction Model in r

I have to estimate the relationship between prices in New York(N) and London(L) using a vector error correction model adapted from Joel Hasbrouck. After much research online, I still have not made much headway so I thought that I would ask you…
samooch
  • 81
  • 1
  • 1
  • 5
1
vote
1 answer

Access restriction on JARs (what is the proper way to get VecMath?)

I need Vecmath, so I went to Oracle to get the latest version of Java 3D. I didn't see a place to download a JAR, but it had an installer. I downloaded and ran it. I assume that the installer added the JAR as a JDK extension I restarted Eclipse, and…
Nick Heiner
  • 119,074
  • 188
  • 476
  • 699
1
vote
1 answer

javadoc for javax.vecmath.* in Eclipse

Anyone know where i can download javadocs for javax.vecmath.* so I can integrate it with library in Eclipse? Hoping this is built somewhere already
bobbyrne01
  • 6,295
  • 19
  • 80
  • 150
0
votes
0 answers

Dummy variables in VECM, i.e normality diagnostics and dummy modeling of residuals (

I am trying to model exogenous events with (according to Juselius (2007 pg. 106)) dummy variables. From quoted literature we can see that there are three type of dummy variables. Mean-shift dummy variables (. . . ,0,0,0,1,1,1,. . . ), permanent blip…
Soel
  • 1
  • 1
0
votes
1 answer

Any Java library for 2D vectors (geometry)? Stable/maintained/perspective?

I'm working on an SVG project, and I need to do some geometrical calculations that work with the 2d vectors. I wonder whether there is some stable, widely used, maintained library for that. I've found javax.vecmath and its class Vector2d, but the…
Jouffan
  • 73
  • 7
0
votes
2 answers

Where should vecmath.jar go in MacOS(11.5.1)

Preamble: So this all started with just trying to use javax.vecmath.Vector2d. I didn't have javax.vecmath so I spent a bit of time trying to get it, found that I needed to download Java3D. After a long time of trying to download Java3D for Java…
grepgrok
  • 130
  • 10
0
votes
1 answer

Java cannot find javax/vecmath/Vector3d.class, even with jar in classpath

My platform has ubuntu 18.04.3 and openjdk version "1.8.0_242". I'm running someone's executable jar file which references javax.vecmath.Vector3d, but the the openjdk vm generates NoClassDefFoundError for that class, as displayed below. The javax…
Tomasso
  • 693
  • 2
  • 9
  • 17
0
votes
1 answer

“Group” vecmath Point objects based on the distance between them

I have a load of vecmath Point objects (Point3d FWIM) which I would like to “group” based on the distance between them. I can probably write the code for this from scratch (I’ve done similar tasks in excel), but I like the idea of using existing…
pateksan
  • 160
  • 1
  • 12
0
votes
1 answer

LWJGL3 Move entity based on its own rotation

I want to move an object based on its own direction. The object has a translation vector and a rotation vector(degrees). I can call a method move and give it a direction and the units the object should be moved(speed if you so wish). If I give this…
RalleYTN
  • 138
  • 10
0
votes
1 answer

Rotations from javax.vectmath.matrix3d

After a long time, I try to use JAVA again. I'm using the vectmath package, with which I'd like to rotate a 3d vector with a rotation matrix. So I wrote that: double x=2, y=0.12; Matrix3d rotMat = new Matrix3d(1,0,0, 0,1,0, 0,0,1); //identity…
Rigel
  • 3
  • 1
0
votes
2 answers

Run time java jar file with jython exceptions

I have a big application that worked perfect inside eclipse, I create an executable jar file for my application, My application use jython to define some resources. Also I create `the following .bat file to run the file: @ echo off java -Xms64m…
Jar
  • 11
  • 2
0
votes
0 answers

Converting quaternion to matrix and vice versa should have the same transformation

Am I wrong on assuming that by arbitrary converting from Quaternion to Matrix of Vecmath classes should remain the same transformation to a vector/point? Here is my test script. It just loops around printing the rotated vector, testing the result…
Jay
  • 21
  • 4