search for: phi_set

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Did you mean: chipset
2011 Feb 16
1
speed up the code
...n = intersect(s_k, s_hat); if(length(common) != 0) { index = match(common, s_k); round(sum(x_k[index]) * length(common) / (s_hat_len * length(s_k)), 3); } else { 0; } } fun_x = function(a) { round(runif(length(a), 0, 1), 2); } symbol_len = 50; PHI_set = 1:symbol_len; S = matrix(replicate(M * M, sort(sample(PHI_set, sample(symbol_len, 1)))), M, M); X = matrix(mapply(fun_x, S), M, M); S_hat = c(28, 34, 35) S_hat_len = length(S_hat); S_hat_matrix = matrix(list(S_hat), M, M); system.time( for(I in 1:40000) { A = matrix(mapply(fun_activation, S...