请问下面这个公式怎么用matlab计算啊,问一下这个公式,我想计算当a=-3/2时怎么算啊,我用syms x y k;a=-3/2;s=0:1:k-1;c=prod(a-s);symsum(c*x^k/(factorial(k)),k,0,inf)来计算,但是一直提示如下错误:Error using ==> s
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![请问下面这个公式怎么用matlab计算啊,问一下这个公式,我想计算当a=-3/2时怎么算啊,我用syms x y k;a=-3/2;s=0:1:k-1;c=prod(a-s);symsum(c*x^k/(factorial(k)),k,0,inf)来计算,但是一直提示如下错误:Error using ==> s](/uploads/image/z/1582169-41-9.jpg?t=%E8%AF%B7%E9%97%AE%E4%B8%8B%E9%9D%A2%E8%BF%99%E4%B8%AA%E5%85%AC%E5%BC%8F%E6%80%8E%E4%B9%88%E7%94%A8matlab%E8%AE%A1%E7%AE%97%E5%95%8A%2C%E9%97%AE%E4%B8%80%E4%B8%8B%E8%BF%99%E4%B8%AA%E5%85%AC%E5%BC%8F%2C%E6%88%91%E6%83%B3%E8%AE%A1%E7%AE%97%E5%BD%93a%3D-3%2F2%E6%97%B6%E6%80%8E%E4%B9%88%E7%AE%97%E5%95%8A%2C%E6%88%91%E7%94%A8syms+x+y+k%3Ba%3D-3%2F2%3Bs%3D0%3A1%3Ak-1%3Bc%3Dprod%28a-s%29%3Bsymsum%28c%2Ax%5Ek%2F%28factorial%28k%29%29%2Ck%2C0%2Cinf%29%E6%9D%A5%E8%AE%A1%E7%AE%97%2C%E4%BD%86%E6%98%AF%E4%B8%80%E7%9B%B4%E6%8F%90%E7%A4%BA%E5%A6%82%E4%B8%8B%E9%94%99%E8%AF%AF%EF%BC%9AError+using+%3D%3D%3E+s)
请问下面这个公式怎么用matlab计算啊,问一下这个公式,我想计算当a=-3/2时怎么算啊,我用syms x y k;a=-3/2;s=0:1:k-1;c=prod(a-s);symsum(c*x^k/(factorial(k)),k,0,inf)来计算,但是一直提示如下错误:Error using ==> s
请问下面这个公式怎么用matlab计算啊,
问一下这个公式,我想计算当a=-3/2时怎么算啊,
我用
syms x y k;
a=-3/2;
s=0:1:k-1;
c=prod(a-s);
symsum(c*x^k/(factorial(k)),k,0,inf)
来计算,但是一直提示如下错误:
Error using ==> sym.double
DOUBLE cannot convert the input expression into a double array.
If the input expression contains a symbolic variable,use the VPA function instead.
Error in ==> sym.colon at 20
n = double((b-a)/d);
谁能帮忙给我看看啊,
请问下面这个公式怎么用matlab计算啊,问一下这个公式,我想计算当a=-3/2时怎么算啊,我用syms x y k;a=-3/2;s=0:1:k-1;c=prod(a-s);symsum(c*x^k/(factorial(k)),k,0,inf)来计算,但是一直提示如下错误:Error using ==> s
用 for循环吧
而且只能近似了 用前50项近似
r = 0
x = .88;
for k = 0:50
s = 0:k-1;
t = -3/2 -s;
r = r + prod(t)/factorial(k)*x^k
end