Vector class lab assignment - Revision history

Admin at 16:43, 22 October 2018

2018-10-22T16:43:25Z

2017-10-25T17:57:31Z

2017-10-24T14:27:49Z

‎Testing Vector class

2017-10-24T14:23:01Z

2017-10-23T20:13:36Z

2015-10-21T14:33:49Z

2015-10-19T17:46:07Z

‎Vector class

2015-10-19T12:02:36Z

2015-10-15T14:28:25Z

2015-10-15T14:28:10Z

@@ Line 24: / Line 24: @@
 * double getY()
 ** returns the Cartesian y-coordinate of the Vector (look at Resources to convert Polar->Cartesian)
-* String toString() - returns a String representation of the Vector
+* String toString() - returns a String representation of the Vector in the format (magnitude, direction)
 * Vector add(Vector v)
 ** returns a new Vector after calculating the Vector addition of itself and Vector v

@@ Line 51: / Line 51: @@
 System.out.println("Vector sub: v - v2");
-Vector v4 = v.add(v2);
+Vector v4 = v.sub(v2);
 System.out.println(v4);  // magnitude=5, direction=-0.927 or 5.356 radians
 </syntaxhighlight>

@@ Line 48: / Line 48: @@
 System.out.println("Vector add: v + v2");
 Vector v3 = v.add(v2);
-System.out.println(v3);  // magnitude=5, direction=0.927
+System.out.println(v3);  // magnitude=5, direction=0.927 radians
 System.out.println("Vector sub: v - v2");
 Vector v4 = v.add(v2);
-System.out.println(v4);  // magnitude=5, direction=5.356
+System.out.println(v4);  // magnitude=5, direction=-0.927 or 5.356 radians
 </syntaxhighlight>

@@ Line 46: / Line 46: @@
 System.out.println(v2);
 Vector v3 = v.add(v2);
-System.out.println(v3);
+System.out.println("Vector sub: v - v2");
+Vector v4 = v.add(v2);
 </syntaxhighlight>

@@ Line 27: / Line 27: @@
 * Vector add(Vector v)
 ** returns a new Vector after calculating the Vector addition of itself and Vector v
 * Vector sub(Vector v)
 ** returns a new Vector after calculating the Vector subtraction of itself and Vector v
 == Testing Vector class ==

@@ Line 30: / Line 30: @@
 ** returns a new Vector after calculating the Vector subtraction of itself and Vector v
-'''Testing your Vector class
+== Testing Vector class ==
 * Write your own main method to test out all the methods in the Vector class

@@ Line 10: / Line 10: @@
 '''Attributes (private):'''
 * double magnitude (default: 0)
-* double direction (default: 0)
+* double direction (default: 0) - in radians
 '''Methods (public)'''

@@ Line 15: / Line 15: @@
 * Vector() - default constructor
 * Vector(double r, double theta) - specific constructor
-* void setMag(double newMag)
+* void setMagnitude(double newMag) - sets the magnitude
-* void setDir(double newDir)
+* void setDirection(double newDir) - sets the direction (in radians)
-* double getMag()
+* double getMagnitude() - returns the magnitude
-* double getDir()
+* double getDirection() - returns the direction (in radians)
 * double getX()
 ** returns the Cartesian x-coordinate of the Vector (look at Resources to convert Polar->Cartesian)

@@ Line 3: / Line 3: @@
 * [https://www.mathsisfun.com/polar-cartesian-coordinates.html Converting from Polar to Cartesian]
-== Vector class ===
+== Vector class ==
 * Create a Vector class using the following specifications (HINT: Use any of your notes or other classes as resources):

@@ Line 1: / Line 1: @@
-=== Resources ===
+== Resources ==
 * [https://www.mathsisfun.com/algebra/vectors.html MathIsFun - Vectors]
 * [https://www.mathsisfun.com/polar-cartesian-coordinates.html Converting from Polar to Cartesian]
-=== Vector class ===
+== Vector class ===
 * Create a Vector class using the following specifications (HINT: Use any of your notes or other classes as resources):