# Tutor profile: Paloma B.

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Paloma B.

Tutor for 4 years, Tutor at UCLA

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## Questions

### Subject: MATLAB

TutorMe

Question:

Write a function which calculates the mean of a vector of numbers.

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Paloma B.

Answer:

function theMean = myMean(x) % myMean computes the arithmetic mean of a vector %INPUTS: % x - a vector of numbers %OUTPUT: %theMean - the mean of x theSum = sum(x); n = numel(x); theMean = theSum / n; end

### Subject: Calculus

TutorMe

Question:

If f(x) = g(u) and u = u(x) then what is the derivative of f(x)

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Paloma B.

Answer:

f '(x) = g '(u) . u '(x)

### Subject: C++ Programming

TutorMe

Question:

What are the values of k, n, and s at the end of the following loop? int n, k , s= 0; for(n=1; n<4; n++){ for(k=n; k>0; k--){ s=s +n*k;} }

Inactive

Paloma B.

Answer:

n=4, k=0, s=25

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