adriana resendez
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Question
my xnew isno being displayed and how would i calculate coefficient of determination and the standard error of estimate?
v = 10:10:80; F = [25 70 380 550 610 830 1220 1450]; x = v(:); y = F(:); fssr = @(a) sum((y-a(1)*sinh(a(2)*x))); ...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
hwo would i find a root usiong fzero
>> f = @(x) 2-10*x*exp(-0.8*x); >> fplot(f,[0 10]) >> grid on function [xmin,fmin,ea,iter] = lab_19(f,xl...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
how would i type in my fraction in the polynomial to find my real and complex roots
fx = x^5-((x^4)/2)-2x^3-x^2-3 roots = fx
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
how would i find a postive root
func = @(x) tanh(2*x)/(2*x) = 0.7
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
how world i find the lowest root with bisection
function [xr ea iter] = bisect(func, x1, xu, es, maxit) % function [xr ea iter] = bisect(func, x1, xu, es, maxit) % bise...
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
how can we display our real roots or points
>> f = @(x) x^3-3*x-1; >> fplot(f, [-10 10]); grid on;
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
i know this is a false postion method code would the question mark be func(es) ?
function [xr ea iter] = falsepos(func, x1, xu, es, maxit) % function [xr ea iter] = falsepos(func, x1, xu, es, maxit) if...
environ 9 ans il y a | 1 réponse | 0
0
réponseQuestion
working on a bisection code and im pretty lost is it right so far?
function [xr ea iter] = bisect(func,x1, xu, es, maxit) if func(x1)*func(xu)>=0, error('no sign change'); end xold = x1; ...
environ 9 ans il y a | 1 réponse | 0
0
réponseQuestion
how would my didplay look if a valuse is betwwen 5 and 10
if x==[5 10] ??????
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
i dont quite understand the maclaurium series expansion coding
e(-x) @=.3
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
what is the center finite diffeance approximation and the backward finite
df_b(i)=(fx2-fx1)/h; df_b(i)=( ? )/h; %backward finite differance aprox df_b(i)=( ? )/(2*h); %cent...
environ 9 ans il y a | 1 réponse | 0
0
réponseQuestion
my professor says to modify but doesnt explain correctly what does he mean by that while coding somthing like this
e^-x =1-x+(x^2/2!)
environ 9 ans il y a | 1 réponse | 0
0
réponseQuestion
i need to plot this function and determine the exact valuse of the derrivative at x=1
F(x)= 2x^3-3x+4 for the interval [-2,2]
environ 9 ans il y a | 1 réponse | 0
1
réponseQuestion
how do i input this in built in funtions
multiply and count elements
environ 9 ans il y a | 2 réponses | 0
2
réponsesQuestion
howwould you in put this in to math lab with functions
add all elements of vector x=[37294]
environ 9 ans il y a | 2 réponses | 0