Write Without using loop

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Ls
Ls 2021-8-12
评论： Image Analyst 2021-8-15
calculation of equations without using loop
  2 个评论
Wan Ji
Wan Ji 2021-8-12
You need to give the equations and then people would help you
Image Analyst
Image Analyst 2021-8-15
@Ls. Below is a screenshot of your question I just took. Where exactly on that do you show the equation? Because we're not seeing it.
Do YOU see any formulas or equations above? Because I sure don't.

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回答（1 个）

Chunru
Chunru 2021-8-12
Not sure if you have given the correct equations:
% Specify n, t and x
n = 10;
t = (1:n)'; x = randn(n, 1); % generate some data
% Initialize vx and ax
vx = zeros(n, 1);
ax = zeros(n, 1);
% vx(1) and ax(1)
vx(1)=(x(1)-x(n-1))/(t(n)-t(n-1)); % check your equations
ax(1)=(vx(1)-vx(n-1))/(t(n)-t(n-1)); % check your equations
for i=2:n
vx(i)=(x(i)-x(i-1))/(t(i)-t(i-1));
ax(i)=(vx(i)-vx(i-1))/(t(i)-t(i-1));
end

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