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The Maxima on-line user's manual

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Cosh

Function: cosh (<x>) - Hyperbolic Cosine.

x(u,v):=10*cos(u)*sinh(v);
y(u,v):=10*sin(u)*sinh(v);
z(u,v):=cosh(v);
plot3d([x(u,v),y(u,v),z(u,v)], [u,-8,8], [v,-8,8], [grid,50,20]);

There are also some inexact matches for cosh. Try ?? cosh to see them.

(%o1)                                true
(%i2) 

Related Examples

cosh-integrate

integrate((2/cosh(x))...

Calculate

cosh

cosh(15);

Calculate

cosh-riemann-sinh

riemann;

ds^2=(L^2)*( ((cosh(r...

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cosh-plot3d-sin-sinh
plot3d([r[1],r[2],r[3]], [Phi,0,%pi/2], [t,-1,1], [grid,65,80]);

x(u,v):=cosh(u)*cos(v);

z(u,v):=cosh(u)*sin(v);

y(u,v):=sinh(u);

Calculate

cosh-integrate-numer

integrate(1/(cosh(x))...

Calculate

cosh-plot2d
plot2d(A,[x,0,1],[y,0,1]);

k:1.5;

f:0.38;

Hy:0.8;

Calculate

cosh-plot3d-sin-sinh
plot3d([x(u,v),y(u,v),z(u,v)], [u,-0.5*%pi,0.5*%pi], [v,0*%pi,1.95*%pi], [grid,50,20],[palette,get_plot_option(palette,3)]);

x(u,v):=1/cosh(u)*cos...

y(u,v):=1/cosh(u)*sin...

z(u,v):=1/cosh(u)*sin...

Calculate

cosh-plot3d-sin-sinh
plot3d([x(u,v),y(u,v),z(u,v)], [u,-2*%pi,2*%pi], [v,0*%pi,1.95*%pi], [grid,200,20],[palette,get_plot_option(palette,3)]);

x(u,v):=1/cosh(u)*cos...

y(u,v):=1/cosh(u)*sin...

z(u,v):=1/cosh(u)*sin...

Calculate

cosh-plot2d
plot2d (Hy-Zk*(cosh(x*K)^2)/(cosh(K*f)^2),[x,0,1],[y,-10,10]);

K:1.8;

f:0.256;

Hy:1;

Calculate

cosh-plot3d-sin
plot3d([x(u,v),y(u,v),z(u,v)],[u,-3,3],[v,-3,3]);

x(u,v):=cosh(u);

y(u,v):=v*v;

z(u,v):=v^2+sin(u);

Calculate