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Learning Math and Coding with Robots

Linkbot Image Mindstorm Image Cursor Image
0x2418126-6-12y2418126-6-12
Grid:
Tics Lines:
Width px
Hash Lines:
Width px
Labels:
Font px
Trace Lines:
Robot 1:
Width px
Robot 2:
Width px
Robot 3:
Width px
Robot 4:
Width px
Axes: x-axis y-axis Show Grid
Grid: 24x24 inches 36x36 inches 72x72 inches
96x96 inches 192x192 inches
Quad: 4 quadrants 1 quadrant Hardware
Units: US Customary Metric
Background: Background Image

Robot 1
Linkbot
Mindstorm
Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (0 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Robot 2
Linkbot
Mindstorm
Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (6 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Robot 3
Linkbot
Mindstorm
Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (12 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in

Robot 4
Linkbot
Mindstorm
Initial Position:
( in, in)
Initial Angle:
deg
Current Position: (18 in, 0 in)
Current Angle: 90 deg
Wheel Radius:
Track Width:
in
Graphing Cosine
Problem Statement:
You do not need to add any blocks. Run the program and enter values for the variables a, b, c, and d to change the shape of the graph. Try to obtain a graph that appears as a standard cosine curve.
/* Code generated by RoboBlockly v2.0 */
#include <linkbot.h>
double x;
double y;
double a;
double b;
double c;
double d;
CLinkbotI robot;
double radius = 1.75;
double trackwidth = 3.69;
int count;

x = 0;
y = 0;
robot.setSpeed(10, radius);
printf("The cosine function will be graphed in the form a*cos(b*x - c) + d");
printf("Enter a value for a:"+"\n");
scanf("%lf", &a);
printf("Enter a value for b:"+"\n");
scanf("%lf", &b);
printf("Enter a value for c:"+"\n");
scanf("%lf", &c);
printf("Enter a value for d:"+"\n");
scanf("%lf", &d);
robot.traceOff();
y = a;
robot.drivexyTo(x, y, radius, trackwidth);
robot.traceOn();
count = 0;
while(count < 25) {
  robot.traceColor("#333399", 4);
  robot.drivexyTo(x, y, radius, trackwidth);
  x = x + 1;
  y = a * cos(deg2rad(((b * x - c) + d)));
  count = count + 1;
}
Blocks Save Blocks Load Blocks Show Ch Save Ch Workspace
Problem Statement:
You do not need to add any blocks. Run the program and enter values for the variables a, b, c, and d to change the shape of the graph. Try to obtain a graph that appears as a standard cosine curve.
 

		

			

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