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Ordinary Annuity : Future Value
Theorem : Future Value of an Ordinary Annuity where; F : Future value A : Periodic payment r : Rate per period n : Numbe...

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Compound Interest : Compounding Periods
Theorem : Compound Interest where, F : Future value at the end of n periods P : Present value r : Annual nominal rate n :...

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Compound Interest: Interest Rate
Theorem : Compound Interest where, F : Future value at the end of n periods P : Present value r : Annual nominal rate n :...

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Compound Interest: Present Value
Theorem : Compound Interest where, F : Future value at the end of n periods P : Present value r : Annual nominal rate n :...

3 years ago

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Compound Interest : Future Value
Theorem : Compound Interest where, F : Future value at the end of n periods P : Present value r : Annual nominal rate n :...

3 years ago

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Simple Interest : Calculate time in years
Theorem : Simple Interest where; F : Future Value P : Present Value r : Annual simple interest rate (decimal) t : Time in...

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Simple Interest : Calculate annual simple interest rate
Theorem : Simple Interest where; F : Future Value P : Present Value r : Annual simple interest rate (decimal) t : Time in...

3 years ago

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Longest Sequence of NaNs
In an array return the length of longest sequence of nans for each column. x = [ 2 3 1 2 5 6; nan nan 5 n...

3 years ago

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Simple Interest : Calculate Present Value
Theorem : Simple Interest where; F : Future Value P : Present Value r : Annual simple interest rate (decimal) t : Time in...

3 years ago

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Simple Interest : Calculate Future Value
Theorem : Simple Interest where; F : Future Value P : Present Value r : Annual simple interest rate (decimal) t : Time in...

3 years ago

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Simpson's Paradox - Calculate correlation coefficients for groups of data
Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...

3 years ago

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Dog Statistics
The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...

3 years ago

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Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

3 years ago

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Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...

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Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...

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Determine if x is a combination of m and n
Given positive integers x, m, and n, determine if x can be written as x = am + bn for any (non-negative) integers a and b. Your ...

3 years ago

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Calculating Student Grades
The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...

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Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...

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Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

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Find the moving-average of the elements of a vector
Example Input vector: [1 2 3 4] output vector: 1st element=1/1, 2nd element=(1+2)/2, 3rd element=(1+2+3)/3, 4th element=(1+2...

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Sub-Diagonal Sum
Given a (m x n) matrix and a value r {1,-1}, change every element to the sum of the diagonal led by the element. r=1 > regular ...

3 years ago

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How can i do this on matlab?
roots([7 0 11 -2 5.98 10 15.9 1 5.347 11])

3 years ago | 0

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defining a list of class instances
classdef Node properties Title NodeType NodeList RelationType Impor...

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Store prime and non-prime numbers in two diferent vectors from a .txt
Attach Natural_numbers.txt is below does not work m=readmatrix('Natural_numbers.txt'); idx=isprime(m); nonprime_num=m(~idx); ...

3 years ago | 0

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Round to nearest ones place value ex ante
a=1400; b=2600; r=randi([a b]); abs(r-a)<abs(r-b);

3 years ago | 0

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How can I plot a string input?
figure ax=gca; t = text(0.5,0.5,'David'); s = t.FontSize; t.FontSize = 12; ax.Visible='off';

3 years ago | 1

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How to write a script to test central limit theory
n=10; r=sum(randi(6,1000,n),2); m=mean(r); s=std(r); histogram(r,15)

3 years ago | 0

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readcell function returns "failed to convert character code" error
Just use save command.

3 years ago | 1

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Error using horzcat Dimensions of arrays being concatenated are not consistent.
VD = depth; rho = Rho; ac = (1./Vp.*10^6).*0.000305; VES2 = (1/0.0313)*log(0.38./Phi); % Vertical effective stress by using At...

3 years ago | 0

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How can I plot a string input?
I assume you want to display. display('David') txt =input('What is your name','s'); display(txt)

3 years ago | 0