syms x
f=@x x.^2
quad(f,0,2)
System give error that 'Invalid expression. Check for missing multiplication operator, missing or unbalanced delimiters, or other syntax error. To construct matrices, use brackets instead of parentheses.'
.....................................................................................................................................................................................................................................
PLEASE HELP ME

2 个评论

Note that syms does nothing here. Get rid of it.
Thank you so much Stephen for your answer.

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 采纳的回答

f = @(x) x.^2;
% ^ ^ you forgot these parentheses
q = quad(f,1,2)
q = 2.3333
How to define anonymous functions is explained here:

更多回答(1 个)

try it:
syms x
f=@(x) x.^2
f = function_handle with value:
@(x)x.^2
quad(f,0,2)
ans = 2.6667

2 个评论

Note that syms does nothing here.
thank youuu so much

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