Is there built in function such as iseven,isint and factorial in matlab?

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Anushka 2015-2-13

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https://ww2.mathworks.cn/matlabcentral/answers/178217-is-there-built-in-function-such-as-iseven-isint-and-factorial-in-matlab

编辑： Stephen23 2015-2-13

采纳的回答： Stephen23

Is there built in functions in matlab such as iseven,isint and factorial in matlab? Can any one please help?

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Answer 1

Stephen23 2015-2-13

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https://ww2.mathworks.cn/matlabcentral/answers/178217-is-there-built-in-function-such-as-iseven-isint-and-factorial-in-matlab#answer_167899

编辑：Stephen23 2015-2-13

在 MATLAB Online 中打开

Factorial exists:

factorial(N)

But for the others use some basic code:

mod(N,2)==0 % iseven
mod(N,2)==1 % isodd
fix(N)==N % isint

Tip: learn to navigate the MATLAB documentation using the Contents (on the left-hand side of the webpage). There you can browse and find many related functions and lots of useful information. Try it! Open the page for factorial , and you can see the contents also lists similar functions: gcd, factor, lcm, etc.