Matlab tip: to use 'xxx function', you must authorize, install and enable the following products: XXX toolbox

Catalog

reason ：

Solution one （ recommend ）：

Solution two ：

reason ：

In the first installation matlab In the process of , When choosing products , Some cleanliness addicts （ For example, I ） Just choose to install matlab. This can lead to the use of matlab When programming , There is a problem that some functions cannot be used , Because they exist in a fixed toolbox （toolbox） in .

such as , When I use today Get the timestamp （ From A.D 0 The number of days from the year to the present ）, There will be the following warnings ：

Solution one （ recommend ）：

Open the original matlab Erection sequence , Enter the installation process , Re select the corresponding product on the product selection page , Installation

• First , The installer will detect the product on your computer , At this time, products that are not installed will be checked by default

• Remove default check , Then choose the products we need .

• After selection , next step , next step , Continue with the installation .（ Pay attention to the tips , There may be situations where some toolkits rely on others ）
• After installation , Again using today, success ！

Solution two ：

Click the red prompt , Download and install online , This method requires you to log in to your account .

obviously , I failed in this way