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A null derivative occurs when an increasing function does not have a derivative. This is most commonly seen in the question mark function.

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Q: What is null derivative?
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Related questions

Is NULL valid for pointers to functions?

Depends on the language, the value of NULL (actual implementation and its value), and the definition of valid.But in general, a pointer is an int, the value is a memory address of another data type (int, struct, or function, etc).Because a pointer is an int, the value must be one of the integers defined.if you have a derivative like:#define NULL 0then yes, NULL is a valid value for any pointer to functionsbut "valid" is not the same as a "valid value". One may say "valid" means a pointer is pointing to an actual function, hence a pointer pointing to NULL is "Invalid".


If null is compared with null what is the result-true or false or null or unknown?

You mean SQL? NULL = anything IS NULL NULL <> anything IS NULL ... NULL IS NULL = TRUE NULL IS NOT NULL = FALSE


Is it derivative of or derivative from?

"Derivative of"


How do you get to the null in supersecret?

There is no null, it is just what it says when you log out. There is a null.


What is the second derivative of a function's indefinite integral?

well, the second derivative is the derivative of the first derivative. so, the 2nd derivative of a function's indefinite integral is the derivative of the derivative of the function's indefinite integral. the derivative of a function's indefinite integral is the function, so the 2nd derivative of a function's indefinite integral is the derivative of the function.


How do you pronounce NULL?

"NULL" is usually pronounced as "null" (rhymes with "mull").


How is motion and position related?

Velocity is the derivative of position.Velocity is the derivative of position.Velocity is the derivative of position.Velocity is the derivative of position.


Does foreign key alllows null values and duplicate values?

A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.A foreign can have null values and it can have duplicate values.


What is is null?

main(){ char str[5]="hello"; if(str==NULL) printf("string null"); else printf("string not null"); }


What is the subset of null set?

The null set. Every set is a subset of itself and so the null set is a subset of the null set.


What is null string?

main(){ char str[5]="hello"; if(str==NULL) printf("string null"); else printf("string not null"); }


Prove that a constant vector always has a perpendicular derivative?

A dot A = A2 do a derivative of both sides derivative (A) dot A + A dot derivative(A) =0 2(derivative (A) dot A)=0 (derivative (A) dot A)=0 A * derivative (A) * cos (theta) =0 => theta =90 A and derivative (A) are perpendicular