invalid expression. when calling a function or indexing a variable,use parentheses. otherwise,check for mismatched delimiters.

In this article see MATLAB : invalid expression. when calling a function or indexing a variable,use parentheses. otherwise,check for mismatched delimiters. We will organize our article as follows:

Reproduce invalid expression. when calling a function or indexing a variable,use parentheses. otherwise,check for mismatched

Just to produce the error I used the characters […] instead of (…) in the sin function for example:

sin[pi]
invalid expression. when calling a function or indexing a variable,use parentheses. otherwise,check for mismatched delimiters.
Error in MATLAB – invalid expression. when calling a function or indexing a variable,use parentheses. otherwise,check for mismatched delimiters.

and it will give you

Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatched delimiters.

Fix error in MATLAB

To correct the error it’s quite easy just follow the advice and review the brackets. Example :

sin(pi)

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Also, It’s based on the matrix representation of data and is available on multiple platforms.

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