Theoretical formula of the principle of the sensor based on L-M nonlinear fitting has been given.

With the aid of the known 46 Mersenne primes and the application of non-linear fit,the approximate scope and possible values of the index p distribution of the 47th Mersenne prime is presented,that is,when the range of natural logarithm index p in Mp is [0.

Study on nonlinear fitting method of transducer based on artificial neural network;

Through nonlinear fitting on clastic coal core gas desorption laws in Jiedong mine,compared each desorption model of the loss to the loss of volume by calculation methods.

With computer and the software Origin,the nonlinear fitting method is employed to process kinetics experimental data.

The decay functions of two kinds of bitumen are established using the non-linear fitting method.

The optimum models were obtained by non-linear fitting to describe the kinetic processes of adsorption of Cd on four types of soils in Northeast China.

The paper proposes a nonlinear regression approach with sound level residual error least-squares for evaluating reverberation times,when reverberation decay curves are obtained by the backward integration of room impulse responses.

Through the nonlinear regression and optimization,the optimal parameters were obtained.

The research on nonlinear regression, weight methods, standard curve, three periods ANOVA, rank sum test, was accomplished.

The nonlinear fitting function in Mathematica and its application in physics