Problem with the mean function

hiiii, I want to calculate the mean value for the frames which are extracted from a video .I use mean=mean(X) but there is some error has been occured.so can you please suggest me the answer for calculating the mean value of extracted frames.

Answer 1

[Walter Roberson]

When you did

mean = mean(X)

that will work the first time, calculating the mean and storing the result in the variable named "mean".

But the second time you ask to execute it, mean(X) does not refer to the function mean, it refers to the variable "mean" that you assigned the calculation to.

Solution: never use a variable name which is the same as the name of a function you might want to call, because as soon as you do the assignment, the name stops referring to the function and starts referring to the variable.

[shalat sunny n]

thank you so much for answering my question.