Mathcad 如何替换矩阵中的某个元素？

Question

就是将矩阵中某个元素更改为另一个元素？

Answer 1

%if you have a matrix A
idx=find(A==1.5); % find all 1.5
A(idx)=1; % set 1 to these indexes

%about NaN
idx=find(isnan(A)); % find all NaN value
A(idx)=1; % set 1 to these indexes本回答被提问者和网友采纳