句柄函数单元中的四元

n 和 m 具体如下:

n = (1:2017)'; % column vector
m = 1:6; % row vector

syms x;
l = log(n*x); % column vector of logs
c = cos(m*x); % row vector of cos

product = l*c; % matrix product
i = int(product, x, 10, 20); % integral from 10 to 20
iDouble = double(i); % convert the result to double