yes basic matlab includes fminsearch
yes it includes saveas and print . However some of the specialized plot routines such as bode plot are Toolbox specific
Standard Student license (unbundled) is valid as long as you are enrolled in an appropriate degree granting program . It does not expire but after graduation you will not be eligible to use it unless you enroll again some day, in which case you could start using it again .
However although it does not expire , you would not be entitled to use new versions unless you pay software maintenance fees .
Yes you can add toolboxes later . The price is lower for toolboxes you purchase with your original order . Also , you can only add toolboxes for about 2 years , after which you would need to update to a newer version of matlab to buy toolboxes .
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