關于matlab和python誰快的問題,python比matlab在乘法上快10倍,指數計算快4倍,加減運算持平,略慢于matlab。或許matlab只適合求解特征值。
import torch
import timen = 50000 # 矩陣規模
M = torch.rand(n, 31)start_time = time.time()
F_M = torch.exp(M) # 將矩陣 M 映射到其指數值
end_time = time.time()print(f"Time taken: {end_time - start_time:.4f} seconds")n = 50000; % 矩陣規模
M = rand(n, 31);tic;
F_M = exp(M); % 將矩陣 M 映射到其指數值
toc;n = 50000; % 矩陣規模
M = rand(n, 31);tic;
F_M = M * M; % 將矩陣 M 映射到其指數值
toc;import torch
import timen = 50000 # 矩陣規模
M = torch.rand(n, 31)start_time = time.time()
F_M = M * M # 將矩陣 M 映射到其指數值
end_time = time.time()print(f"Time taken: {end_time - start_time:.4f} seconds")