mathematica命令Data={{50,-53},{54.9,-65},{60,-77},{65,-89},{70,-100},{75,-112},{80,-123},{85,-134},{90,-146}}a =ListPlot[data,PlotStylev→PointSize[0.02]]b = Fit[data,{1, t}, t]c = Plot[ b,{t,45,95}]Show[ a, c, AxesLabel→{ " t /K" , "ΔV /mV" }]

mathematica命令Data={{50,-53},{54.9,-65},{60,-77},{65,-89},{70,-100},{75,-112},{80,-123},{85,-134},{90,-146}}a =ListPlot[data,PlotStylev→PointSize[0.02]]b = Fit[data,{1, t}, t]c = Plot[ b,{t,45,95}]Show[ a, c, AxesLabel→{ t /K , ΔV /mV }] mathematica里的Take[data[[4]], mathematica命令语句输入后怎样执行 如何用mathematica画双对数坐标图data = {{310.626,0.603},{311.663,0.616},{312.701,0.63},····}logloglistplot[data] 运行后没有图形出现 Mathematica能调用Stata命令吗?或者Stata能调用Mathematica命令吗? 方程为(d^2x)/(dt^2)+a*sin(x)=0的mathematica 和matlab求解命令 MFC中data=data mathematica中,如何求一个方阵(内含变量k)的特征值?我的命令f[k_]:=Eigenvalues[],为何有的方阵不可求?采用以上命令后,运行f[k]命令,错误提示如图所示!望不吝赐教! mathematica数据拟合如何用mathematica得到非线性回归方程?data={{14.80,310},{18.74,700},{22.86,1160},{26.26,1800},{29.50,2680},{31.15,3200}}y=9616.5256/(1+256.32477Exp[-0.15570869]) mathematica 这里哪里错了len = Length[data]; listseries = Table[i,{i,1,len}];index = Table[Ceiling[Log[10,data[[i]] + 1]],{i,1,len}];For[i = 1,i Mathematica中如何求解带有参数递推式的通项公式请问如何用Mathematica求解含有参数的数列递推式?命令是什么?比如a[n+1]=k*a[n],a[1]=2k,其中k是常数. 用Mathematica求常微分方程组的解 dx/dt +y=cost dy/dt+x=sint 求命令与结果T-T 求函数取插值节点,分解应用Mathematica系统函数命令Interpolation 、Matla系统函数命令spline本人不才,做不出. x=data(:, DATA Data data data