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1   package org.djunits.demo.website;
2   
3   import org.djunits.value.ValueRuntimeException;
4   import org.djunits.value.storage.StorageType;
5   import org.djunits.value.vdouble.vector.base.DoubleVector;
6   
7   /**
8    * <p>
9    * Copyright (c) 2013-2022 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. All rights reserved. <br>
10   * BSD-style license. See <a href="https://djunits.org/docs/license.html">DJUNITS License</a>.
11   * </p>
12   * @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
13   * @author <a href="https://www.tudelft.nl/staff/p.knoppers/">Peter Knoppers</a>
14   */
15  public final class JerkDemo
16  {
17      /** */
18      private JerkDemo()
19      {
20          // utility class
21      }
22  
23      /**
24       * @param args String[]; args
25       * @throws ValueRuntimeException on error
26       */
27      public static void main(final String[] args) throws ValueRuntimeException
28      {
29          JerkJerk.html#Jerk">Jerk jerk1 = new Jerk(1.2, JerkUnit.SI);
30          System.out.println("jerk1 = Jerk(1.2, JerkUnit.SI)       : " + jerk1);
31          Jerk jerk2 = jerk1.times(2.0);
32          System.out.println("jerk2 = jerk1.multiplyBy(2.0)        : " + jerk2);
33          JerkJerk.html#Jerk">Jerk jerk3 = new Jerk(4.0, JerkUnit.IN_PER_S3);
34          System.out.println("jerk3 = Jerk(4.0, JerkUnit.IN_PER_S3 : " + jerk3);
35          System.out.println("jerk3 expressed in JerkUnit.SI       : " + jerk3.toString(JerkUnit.SI));
36          System.out.println("jerk3 expressed in JerkUnit.FT_PER_S3: " + jerk3.toString(JerkUnit.FT_PER_S3));
37  
38          System.out.println();
39  
40          double[] sv = new double[] {1, 2, 3, 4, 5};
41          JerkVector jerkVector = DoubleVector.instantiate(sv, JerkUnit.SI, StorageType.DENSE, JerkVector.class);
42          System.out.println("jerkVector: " + jerkVector);
43          // FIXME why can't we multiply a JerkVector by a scalar Duration and get an AccelerationVector
44  
45          double[][] data = new double[1000][1000];
46          for (int i = 0; i < 1000; i++)
47          {
48              for (int j = 0; j < 1000; j++)
49              {
50                  data[i][j] = 9 * i + 2 * j * 0.364;
51              }
52          }
53          // XXX Is this supposed to fill a JerkMatrix???
54      }
55  
56  }