matlab问题 自定义函数怎么从外部读入数据？

Question

外部已经有n=1

自定义函数如下
function sum = summation(x,y,z,n=n)
sum = x + y + z + n;
end

运行
summation(1,2,3,n=n)
有如下错误

summation(1,2,3,n=n)
|
Error: The expression to the left of the equals sign is not a valid target for an
assignment.

Answer 1

自定义函数如下
function sum = summation(x,y,z,n)
sum = x + y + z + n;
end

运行
n=1;
summation(1,2,3,n)本回答被提问者和网友采纳