VB中Y=5 Z=2 For k=1 to 5 step z Y=y-1 Z=z+1 Next Y和k的值是多少?
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VB中Y=5 Z=2 For k=1 to 5 step z Y=y-1 Z=z+1 Next Y和k的值是多少?
VB中Y=5 Z=2 For k=1 to 5 step z Y=y-1 Z=z+1 Next Y和k的值是多少?
VB中Y=5 Z=2 For k=1 to 5 step z Y=y-1 Z=z+1 Next Y和k的值是多少?
循环中step值不会改变,会保持初始值,因此会循环3次.y=2,k=7
VB中Y=5 Z=2 For k=1 to 5 step z Y=y-1 Z=z+1 Next Y和k的值是多少?
'for k=1:length(z);',...'y(:,k)=step(1,[1 2*z(k) 1],t);',...'plot(t,y(:,k));',...
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VB题 a=5 For k=1 To 0 a=a+k Next k Print k;a
matlab中解方程组syms x y z t[x,y,z,t]=solve(2*x+3*y-z+t-2,5*x+y+z-t-13,x-y+2*z+2*t-3,3*x+2*y+2*z+9*t+3)结果:x =-2y =1z =2t =4结果是不对的.做了如下调整:syms x y z t[t,x,y,z]=solve(2*x+3*y-z+t-2,5*x+y+z-t-13,x-y+2*z+2*t-3,3*x+2*y+2
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x+y=3k y+x=5k z+x=4k x-2y+3z=-6 k的值是多少
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mathematica 作图,R = 0.008;r = 0.0125;Y = 47*2*3.14;z = 0.09;m = 0.08;k = 9;g = 10;f = 0.00018;e = 30;NDSolve[{0.5*m*R^4 *(y[t])^2 *(y'[t])^2/(R^2*Y^2 + z^2 - R^2*y[t])^2 + 0.2*m*r^2*(y'[t])^2 + 0.5*k*(R^2*Y^2 + z^2 - R^2*y[t]^2) + 0.5*k*z^2 - k*z*
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Private Sub command1_click() Dim m(10) For k = 1 To 10 m(k) = 11 - k Next k x = 5 Print m(2 + m(x))VB的一个程序