最小二乘法快速计算软件（带qt源码）最小二乘法（又称最小平方法）是一种数学优化技术。它通过最小化误差的平方和寻找数据的最佳函数匹配。-The least squares method least squares method for rapid calculation software (with qt source) (also known as the least squares method) is a mathematical optimization techniques. Minim