matlab 赋不了值，将值为0的修改为inf，修改不了

Question

for i = 1:1:point
for j = 1:1:point
if( allcoefdist(i,j) == 0)
allcoefdist(i,j)=inf;
end
end
end
结果很多原值为0的没有被修改为无穷大

Answer 1

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allcoefdist(allcoefdist==0) = inf;    % ä¸€å¥å°±å¤Ÿäº†ï¼Œé™¤éžæ˜¯éƒ¨åˆ†ä¿®æ”¹