查看“Micro introduction into Maxima”的源代码

原文：http://www.math.harvard.edu/computing/maxima/

翻译：dbzhang800

在命令行中可以通过键入“maxima”来启动Maxima。键入“quit();”退出。

'''数论'''

 expand((x+y)^6);
 factor(x^6-1);
 factor(123412341231234);
 factor(2^(2^5)+1);
 100!; 
 bfloat(%pi);
 block([fpprec:1000],bfloat(%pi));
 cfdisrep([1,2,3,5,2]);
 bfloat(%);

'''编程'''

 for a:-3 thru 26 step 7 do ldisplay(a);
 
 s:0; for i:1 while i<=10 do s:s+i; done; s; 
 
 fib[0]:0; fib[1]:1; fib[n]:=fib[n-1]+fib[n-2];
 fib[20];

'''制图'''

 plot2d(sin(x)/x,[x,-5,5]);
 plot3d(sin(sqrt(x^2+y^2))/sqrt(x^2+y^2),[x,-12,12],[y,-12,12]);
 plot3d([cos(y)*(10.0+6*cos(x)),sin(y)*(10.0+6*cos(x)),-6*sin(x)], 
        [x,0,2*%pi],[y,0,2*%pi],['grid,40,40]);
 plot3d([5*cos(x)*(cos(x/2)*cos(y)+sin(x/2)*sin(2*y)+3.0)-10.0,
        -5*sin(x)*(cos(x/2)*cos(y)+sin(x/2)*sin(2*y)+3.0),
         5*(-sin(x/2)*cos(y)+cos(x/2)*sin(2*y))],
        [x,-%pi,%pi],[y,-%pi,%pi],['grid,40,40]);
 plot2d(sec(x),[x,-2,2],[y,-20,20],[nticks,200]);
 plot2d([parametric,cos(t),sin(t),[t,-%pi*2,%pi*2]]);
 plot2d([x^3+2,[parametric,cos(t),sin(t),[t,-5,5]]], [x,-3,3]);

'''微积分'''

 diff(sin(x^2));
 'integrate(%E**sqrt(a*y),y,0,4);
 integrate(%E**sqrt(a*y),y,0,4);
 integrate(sin(x),x);
 sum((1/2)^i,i,0,inf);
 laplace(delta(T-A)*sin(B*T),T,S);

'''极限'''

 limit( (5*x+1)/(3*x-1),x,inf); 

'''常微分方程'''

 depends(y,x);
 diff(y,x)=(4-2*x)/(3*y^2-5);
 ode2(%,y,x);
 latex(%);   

'''解线性方程'''

 linsolve( [3*x+4*y=7, 2*x+4*y=13], [x,y]);
 eq1: x^2 + 3*x*y + y^2 = 0;
 eq2: 3*x + y = 1;
 solve([eq1, eq2]);

'''矩阵操作'''

 a: matrix([1,2],[3,4]);
 b: matrix([2,2],[2,2]);
 a.b;
 h[i,j]:=1/(i+j);
 a: genmatrix(h,3,3);
 determinant(a);
 b: matrix([2,3],[5,6]);
 echelon(b);
 invert(b);
 eigenvectors(b); 

'''文件操作'''

 load(file); 

'''中止计算'''

 factor(2^(2^7)+1);
  c
 MAXIMA>>:q

'''退出 Maxima'''

 quit();

[[Category:Maxima]]