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Questions about the use of built-in Mathematica functions, including pure functions.

7 votes
2 answers
2k views

How does one clear the memory of a recursive function

I want to implement the recursive function v[n_] := v[n] = v[n-1] + f[n-1] + Random[NormalDistribution[0,s]] to get vel = {v[0], v[1],..., v[N]}. I want to compute $M$ replicates of vel. How do …
Charles Hagwood's user avatar
3 votes
2 answers
165 views

How to make the command Text a function [closed]

I want to create a function as follows: g[x_]:=Graphics[Text["mean=" x, {a,b}]]. That is at some coordinate point (a,b) the text, mean = x is printed. I get 3mean= when I use this function, i.e. …
Charles Hagwood's user avatar