... in terms of i and j. For instance a_ij not equal to a_

**ik**if j not equal to k. That says you don't get the same ...1 Answers · Science & Mathematics · 23/01/2015

... (i,j) entry of PP^t is Sum{k = 1, n} P_

**ik**P_jk = Sum{k = 1, n} d_s(i)k d_s(j)k = d_s(i)s(j). Since...1 Answers · Science & Mathematics · 07/02/2014

math·e·mat·ics [math-uh-mat-

**ik**s ] noun 1. ( used with a singular verb ) the systematic treatment of magnitude, ...2 Answers · Science & Mathematics · 28/01/2014

...integrand has singularities at z^2 = i ==> z = [e^(πi/2 + 2π

**ik**)]^(1/2) = ±(1 + i)/√2. So, z^2 + i = (z - (1 + i)/√2)(z + (1 + i)/√2...1 Answers · Science & Mathematics · 18/11/2013

...and B = (b_ij). Then AB = (c_ij), where c_ij = ∑(k = 1, n) a_

**ik**b_kj. Hence |AB| = ∑(p ∈ Sn) sign(p) c_1p(1) ••• c...3 Answers · Science & Mathematics · 17/10/2013

...r(t)= cost i + t j + sint k First combine i and k terms r(t)_

**ik**= √(cos^2(t) + sin^2(t)) = 1 The combine the result with j term r...1 Answers · Science & Mathematics · 02/10/2013

... 5th roots of both sides, we have z + 1 = z * e^(2π

**ik**/5) with k = 0,1,2,3,4 [noting that e^(2πi/5) is a primitive ...2 Answers · Science & Mathematics · 27/09/2013

Area of a circle = pi r^2 ----> Area of a semi circle = (pi r^2)/2

1 Answers · Science & Mathematics · 25/07/2013

Too long to explain. Look up Cramer's Rule. It is also in your textbook.

5 Answers · Science & Mathematics · 14/02/2013

...j)-entry of f(k1u + k2v) is (A(k1u + k2v))_ij = ∑(k = 1 to n) a_

**ik**(k1u + k2v)_k (by definition of matrix multiplication) = ∑(k = 1 to n) a_jk (k1u_k + k2v...1 Answers · Science & Mathematics · 11/03/2013

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