基于LM358的波形发生器仿真测试原理图，采用压控振荡控制频率变化-LM358-based waveform generator schematic simulation test, using a voltage-controlled oscillator frequency variation control

简单的函数测试的程序，包括interp测试 wkA变量代换的仿真 求偏导的测试，matlab入门可用-A simple functional test function, simulation tests including interp wkA variable substitution derivative test, matlab entry available