求翻译：　　根据所提供的数据用MATLAB函数p=polyfit（t,x,1）拟合一次多项式，然后用画图函数plot(t,x,’+’,t,x0*exp(rt),’-’),画出实际数据与计算结果之间的图形，看结果如何。是什么意思？

According to data provided by using matlab function p = polyfit (t, x, 1) fitting a polynomial, then use the drawing function plot (t, x, '+', t, x0 * exp (rt), '- '), to draw the graphics between the actual data with the calculated results, see the results.

Depending on the data provided by polyfit MATLAB function P = (T, X, 1) fit a polynomial, then the animation function plot (t, x, T, and ' + ' to 0 * exp(x), rt)' - ' to draw the actual data and the graph between results of the calculations, and see what the results will be.

According to the data which provides with the MATLAB function p=polyfit(t, x,1) fits one time the multinomial, then with painting function plot (t, x,' +', t, x0*exp(rt),' -'), draws between the actual data and the computed result graph, how looks at the result.

According to the data provided with the MATLAB function p=polyfit (t,x,1) fitting a polynomial, and then with the paint function plot (t,x, ' + ', t,x0*exp (RT), '-') and draw the graphics between actual data and calculation results, see results.