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J. M.'s missing motivation ♦
J. M.'s missing motivation ♦
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rm -rf ♦
rm -rf ♦
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Difference What is the difference between y[x_]:=Set and y[x_]=SetDelayed?

I have a problem with defining a function and most of time I get confused by these twoSet or = and SetDelayed or :=. I read the help section but I didn't find out what is the difference is between defining a function as :

y[x_] :=

y[x_] := ... and y[x_] = ...

y[x_] =

Difference between y[x_]:= and y[x_]=

I have a problem with defining a function and most of time I get confused by these two. I read the help section but I didn't find out what is the difference between :

y[x_] :=

and

y[x_] =

What is the difference between Set and SetDelayed?

I have a problem with defining a function and most of time I get confused by Set or = and SetDelayed or :=. I read the help section but I didn't find out what the difference is between defining a function as y[x_] := ... and y[x_] = ...

added 2 characters in body; added 1 characters in body; edited tags; edited body
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Mr.Wizard
Mr.Wizard
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I have a problem with defining a function and most of time I get confused by these two. I read the help section but I didn't foundfind out what is the Differencedifference between :

y[x_] :=

and y[x_] =

y[x_] =

I have problem with defining a function and most of time I get confused by these two. I read the help section but I didn't found out what is the Difference between :

y[x_] :=

and y[x_] =

I have a problem with defining a function and most of time I get confused by these two. I read the help section but I didn't find out what is the difference between :

y[x_] :=

and

y[x_] =
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DSaad
DSaad
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