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I am trying to get the differential equation examples to work:

x = var('x') y = function('y',x) desolve(diff(y,x) + y - 1, y)

or

t = var('t') x = function('x',t) DE = diff(x, t) + x - 1 desolve(DE, [x,t])

Both return errors. What am I doing wrong?

I am trying to get the differential equation examples to work:

x = var('x') y = function('y',x) desolve(diff(y,x) + y - 1, y)

or

t = var('t') x = function('x',t) DE = diff(x, t) + x - 1 desolve(DE, [x,t])

Both return errors. What am I doing wrong?