please help me Write an interactive program that allows the user to create and r

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please help me

Write an interactive program that allows the user to create and refine piecewise continuous cubic curves. Represent the curves internally as B-splines. Use Uniform Non-Rational Cubic B-splines. What is expected is that the user should be able to change the four control points, to vary the curve. Let t0=0, t1=1, t2=3, t3=4, t4=5 Using these values compute B0.4 and each of the functions used in its definition. Then plot these functions on the interval -3 t 8. These functions pertain to Non-Uniform Non-Rational Cubic B-Splines. Write a program to draw a cubic Bezier curve using DeCasteljau algorithm. The input to the program should be 2D (x,y) control points P0,P1,P2 and P4. Write a program that displays a non-uniform, non-rational B-spline, given as input a knot sequence and control points. Provide a user-controllable option to calculate the Bi, 4(t) using the recurrence relations given in handout. The user should be able to vary the knots and control points.

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