Mercurial > matrix-functions
comparison matrixcomp/seqm.m @ 0:8f23314345f4 draft
Create local repository for matrix toolboxes. Step #0 done.
author | Antonio Pino Robles <data.script93@gmail.com> |
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date | Wed, 06 May 2015 14:56:53 +0200 |
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-1:000000000000 | 0:8f23314345f4 |
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1 function y = seqm(a, b, n) | |
2 %SEQM Multiplicative sequence. | |
3 % Y = SEQM(A, B, N) produces a row vector comprising N | |
4 % logarithmically equally spaced numbers, starting at A ~= 0 | |
5 % and finishing at B ~= 0. | |
6 % If A*B < 0 and N > 2 then complex results are produced. | |
7 % If N is omitted then 10 points are generated. | |
8 | |
9 if nargin == 2, n = 10; end | |
10 | |
11 if n <= 1 | |
12 y = a; | |
13 return | |
14 end | |
15 p = [0:n-2]/(n-1); | |
16 r = (b/a).^p; | |
17 y = [a*r, b]; |