3.7321
0.2679
1.0000
F = fft(A(:,1)) % FFT
F = 3x1 single column vector
7.0000 + 0.0000i
-2.0000 + 1.7321i
-2.0000 - 1.7321i
S = svd(A) % Singular value decomposition
S = 3x1 single column vector
12.3171
0.5149
0.1577
P = round(poly(A)) % The characteristic polynomial of a matrix
P = 1x4 single row vector
1
-5
5
-1
R = roots(P) % Roots of a polynomial
R = 3x1 single column vector
3.7321
1.0000
0.2679
Q = conv(P,P) % Convolve two vectors
Q = 1x7 single row vector
1
-10
35
-52
35
-10
1
R = conv(P,Q)
R = 1x10 single row vector
1
-15
90 -278
480 -480
278
-90
15
-1
stem(R); % Plot the result
4 Numeric Classes
4-28