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2022-10-15 13:29:47 +0100 received badge  Notable Question (source)
2020-03-29 07:54:13 +0100 answered a question passing function to a function

never mind.. I figure this out.

def test(f):
 show(plot(f))

test(x+1)
2020-03-29 07:40:17 +0100 received badge  Editor (source)
2020-03-29 07:38:23 +0100 asked a question passing function to a function

Would any body please help in making following work?

def test(f):
 plot(f)

test(x+1)
2019-07-17 10:03:39 +0100 received badge  Scholar (source)
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2019-07-16 02:50:04 +0100 received badge  Popular Question (source)
2019-07-16 02:49:00 +0100 asked a question make sage use \dfrac instead of \frac

For example:

Is it possible to make latex( (2*x+3) / (2*x) ) return \dfrac{2 \, x + 3}{2 \, x} instead of \frac{2 \, x + 3}{2 \, x} ?

2016-01-28 13:14:29 +0100 commented answer How to define finite difference approximation for first order derivative

$y_{k+1} $ and $y_k$ needs to remain unknown till the formation of equation, so that they can act as variables in the linear system. My interest is to automate the finite difference method in sage. Should I need to define some new data structure. Thanks for responding though!!!

2016-01-26 03:00:58 +0100 received badge  Student (source)
2016-01-26 02:59:11 +0100 asked a question How to define finite difference approximation for first order derivative

I need to define $$y1(k)=\frac{y_{k+1}-y_{k-1}}{2*h}$$

in sage so that sage can differ between symbolic $$y_{k+1}$$ and $$y_{k}$$.

Would somebody please help?