Find centralized, trusted content and collaborate around the technologies you use most.
Teams
Q&A for work
Connect and share knowledge within a single location that is structured and easy to search.
如果我有一个自定义函数y=2x+1,我想得到它的反函数X=(Y-1)/2,excel可以帮忙吗?或其他软件,如 sigmaplot 或 Matlab?
y=2x+1
X=(Y-1)/2
使用 MATLAB,如果您有Symbolic Math Toolbox,您可以使用:
syms x y; eqn = y == 2*x - 1 ; x = solve(eqn,x)