invalid expression in the for loop

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OYH
OYH 2019-11-22
回答： Walter Roberson 2019-11-22
Screen Shot 2019-11-22 at 11.12.26.png
So, this is the project that I'm working on right now. And the problem is the for loop. It gets error message saying.Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.
I don't know what is the wrong part.
Also, one can give some suggestion for my code if it is really clumpsy.
Really appreciate if someone can help

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Walter Roberson
Walter Roberson 2019-11-22
You are missing a ) after the / in the line you indicate. Count the brackets
(1+(velocity(1,i)^2).^(3/2)
1 2 3 2 1 2 1
You need one more ) character.
I suspect you could instead use
(1+velocity(1,i)^2).^(3/2)

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