how to convert this code into gpuArray

2017 7 10
1 个回答
回答已采纳
更新时间：2017 7 11
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0 个投票

tic;
z=1:0.5:10;
a=1:0.5:5;
num=kron(z,ones(1,length(a)));
i=1:length(a);
deno=zeros(9,3);
deno(i,1)=1;
deno(i,2)=a(i);
den=repmat(deno,length(z),1);
n=numel(num);
for m=1:n
sys(m)=tf(num(m),den(m,:));
end
bode(sys(m))

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Joss Knight
Joss Knight 2017-7-11
编辑：Joss Knight 2017-7-11

0 个投票

A blanket change would be
z=gpuArray.colon(1,0.5,10);
a=gpuArray.colon(1,0.5,5);
num=kron(z,ones(1,length(a),'gpuArray'));
i=gpuArray.colon(1,length(a));
deno=zeros(9,3,'gpuArray');
deno(i,1)=1;
deno(i,2)=a(i);
den=repmat(deno,length(z),1);
n=numel(num);
for m=1:n
sys(m)=tf(num(m),den(m,:));
end
bode(sys(m))
I believe you can vectorize away the loop for tf using cell arrays, but you probably won't gain much from that. There's no benefit using gpuArray input to tf anyway.

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