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Questions about the use of built-in Mathematica functions, including pure functions.
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Why is variable in function definition not local in Mathematica?
I was surprised to find out the names of arguments of a function definition are not "temporary name/formal name"
a=1;b={1,2};c="abc";
x;
f[lzy_]:=lzy+1
Names["Global`*"]
(* answer is {"a", "args", "b …
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how do you choose a receiver of expression between just-a-symbol and function?
for a formula eg y=a*x+b in book, we can use y=a*x+b and use y to quote the expression a*x+b for later using. but we also can define a function y[x_]:=a*x+b and use y[x] eg y[1] to quote the expressio …
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how to understand f[{1,2,3,4}]? [closed]
As far as my understanding of function in Mathematica, its core is pattern match, but why f[{a,b,c}] (when f is defined) can work correctly? in my understanding, f[{1,2,3,4}] correspond to f[{x_,y_,z_ …