Community Profile # Benjamin Trivers

##### Last seen: 6 months ago
13 total contributions since 2020

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Question

Different launch angles for a tennis ball
How far can you throw a tennis ball? Our goal is to find the launch angle θ, measured up from the ground, that will result in th...

6 months ago | 0 answers | 0

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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 ...

8 months ago | 1 answer | 0

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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; ...

9 months ago | 1 answer | 0

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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(...

9 months ago | 1 answer | 0

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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...

9 months ago | 0 answers | 0

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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...

9 months ago | 0 answers | 0

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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...

9 months ago | 0 answers | 0

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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...

9 months ago | 1 answer | 0

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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...

9 months ago | 1 answer | 0

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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...

9 months ago | 1 answer | 0

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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...

9 months ago | 2 answers | 0