Question

euler function that you can reuse with different values?

function [t, y, yprime]=euler(f,t0,tN,y0,N) h=(tN-t0)/N; t=t0:N:tN; y=zeros(1,N+1); yprime=f(t,y); y(1)=y0; t(1)=t0; for ...

2 months ago | 1 answer | 0

Question

Approximation of integers and forming a table

function: function y=func(x) y=sqrt(4−x^2); end The midpoint rule: function y=Mid(a,b,N) dx=(b-a)/N; y=0; ...

2 months ago | 1 answer | 0

Question

approximation of pi with arctan

term = @(x,n) (-1).^(n+1).*((x.^(2*n-1))./(2*n-1)); a1 = 0; a2 = 0; for n = 1:10 a1 = a1 + term(1/5,n); a2 = a2 + term(...

2 months ago | 1 answer | 0

Question

approximation integrals using three rules

IN MATLAB ONLY Using these four functions, create a script to publish, writing a cell that uses N=10,20,40,80,160,320 to calcul...

2 months ago | 0 answers | 0

Question

Power series for arctan

Write a script that does the following: Approximate π using the formula from trigonometry (π = 4arctan1) and arctan values using...

2 months ago | 0 answers | 0

Question

converting string code into numbers?

Write a function m-file called stringcode that takes a string as input and produces an array containing a code for each letter i...

2 months ago | 0 answers | 0

Question

can't get all the other characters = 26

Write a function m-file called stringcode that takes a string as input and produces an array containing a code for each letter i...

2 months ago | 1 answer | 0

Question

You will be estimating the number of swaps required for a list that is X=100, 200, 300, ..., 900, and 1000 numbers long. In other words, you will calculate an average for each number from 100 to 1000 in steps of 100. Each average should be calculat

x=[]; numsteps=0; for N=[100] for i=1:N x=[x,floor(999*rand(1)+1)]; end for i=1:N-1 ...

3 months ago | 1 answer | 0

Question

3x3 matrix with while loop

Produce a random 3x3 matrix A that is invertible and display it. Hint: Use a while-loop until you get one with non-zero determi...

3 months ago | 1 answer | 0

Question

Create an .m file

Create an .m file that is a function that creates an array of N random integers in the range from -9999 to 9999. It should be i...

3 months ago | 1 answer | 0

Question

Determine the number of y-values less than the number 2.0

y = 2.5 + 1 * randn(100,1) sum=0; N=length(y); for i = 1 : N sum= sum + y(i); end average=sum/N; fprintf('the avera...

3 months ago | 2 answers | 0

Question

Calculate the result and absolute error for each partial sum: N = 10, 160, and 640. You should use for-loops and not commands like symsum. (b) Find the smallest value of N for which the absolute error is smaller than 10−4 (1e − 4). You should use a w

My question is: Calculate the result and absolute error for each partial sum: N = 10, 160, and 640. You should use for-loops an...

3 months ago | 0 answers | 0