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Invalid syntax error with a simple code

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I am trying to write a simple MatLab code but continue to get an error that I can't find a fix for.
x = [-2 -1.5 -1 -0.5 0 0.5 1 1.5 2];
y = (x+x(sqrt(x+3)))*(1+2(x^(2)));
The error is at line 2, on the parenthesis that is bolded between the 2 and x. Any reason why?
Error: File: Assignment2.m Line: 2 Column: 26
Invalid expression. When calling a function or
indexing a variable, use parentheses. Otherwise,
check for mismatched delimiters.

Accepted Answer

Rafael Hernandez-Walls
Rafael Hernandez-Walls on 5 Nov 2020
tray this
x = [-2 -1.5 -1 -0.5 0 0.5 1 1.5 2];
y = (x+x.*(sqrt(x+3))).*(1+2*(x.^(2)));
  2 Comments
Ahmad Jundi
Ahmad Jundi on 5 Nov 2020
Ahh I see now I didn't know that! Thank you so much this helped a lot!
p.s. I am extremely knew to MatLab and want to learn how to use it.

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