【求助】菜鸟提问：关于一些warning信息

[joyht]

请问各位达人，在使用matlab的时候出现下面的warning信息要怎么解决啊？我刚开始学matlab，很多地方都不懂，请各位达人指教了！

Warning: MILP solver CPLEX through Tomlab not usable: tomRun.m not in
Matlab path

Warning: QP solver CPLEX through Tomlab not usable: tomRun.m not in
Matlab path

Warning: Name is nonexistent or not a directory: d:\My
Documents\MATLAB\solvers.

Warning: Name is nonexistent or not a directory: d:\My
Documents\MATLAB\tools.

Warning: Name is nonexistent or not a directory: d:\My
Documents\MATLAB\sampling.