MATLAB® and Its Applications in Engineering: [Based on MATLAB 7.5 (R2007b)]

Problems

2.1	Express the following numbers in polar form: 1 + 2j −2 + j1 (1 + 2j)(−2 + j1) (1 + 2j)/(−2 + j1)
2.2	Evaluate the following assignment statements: (i) for c = 1, d = 2, and x = 4 (ii) , for x = 2, y = 4, z = 3 (iii) r = x4 + 4x3 + 3x2 + 6x + 6, for x = −3, (iv) s = (4p + 5)(3p + 4q − 10), for p = 3 and q = 4 (v) u = xe−10t, for x = 0.5 and t = 2 (vi) d = a^(b^c), for a = 1, b = 2 and c = 3 (vii) f = c^d^e, for c = 2, d = 3 and e = 4
2.3	What is the value of k calculated in the following arithmetic statements? (i) k = I*2/3 + J/4 − J^3/8 for I = 2 and J = 3