[d_kelvin]

N取值0到51间隔1 k取值0到1间隔0.1 画出以k为横坐标E为纵坐标的图

函数如下

E(N,k)=2.6*sqrt(3+2cos(3.14*N*(6+8)/459.9216-(sqrt(3)/2)*(6/(2.46*sqrt(76)))*k*2.46)+2cos(3.14*N*(12+4)/459.9216+(sqrt(3)/2)*(4/(2.46*sqrt(76)))*k*2.46)+2cos(3.14*N*(2/459.9216)+(sqrt(3)/2)*(10/(2.46*sqrt(76)))*k*2.46))

求助 编程~~~~膜拜高人~~~