How to implement a for loop for a equation and plot the values on a graph?

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Prayash Thapa
Prayash Thapa 2020-11-4
回答： David Hill 2020-11-4
How can I correct the array values of 'fncT' when t becomes bigger than 19, the answers become incorrect for some reason. What is wrong with this and how can I solve this? I want a repeating set of answers up to 100 values. Also how can I possible put this in a for loop and plot the values on the graph?
This is the code:
A = 7;
P = 100;
M = 15;
t = 1:1:P
fncT = (A.^t) - floor(A.^t/M)*M; % Alternative to mod() function
plot(t,fncT)

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采纳的回答

David Hill
David Hill 2020-11-4
Need to use symbolics because 7^100 is too big.
A = sym(7);
P = 100;
M = 15;
t = 1:1:P
fncT = double((A.^t) - floor(A.^t/M)*M);
plot(t,fncT)

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