## 90 Reputation

11 years, 270 days

## which function equivalent to reduce q mo...

Maple

which function equivalent to reduce q modulo p?

## How to convert Exponential Integral Ei e...

Maple

a long equation has many Ei

how to convert into Gamma function using below identity

Ei(a, z) = z^(a-1)*GAMMA(1-a, z);

## why unknown options method = contour?...

Maple

int(cos(a*z)/(z^2-4*z+8), z, method=contour)

why run in maple 15, unknown options method = contour

is it default to use contour?

but the result is the same as done by hand, i mean the answer from the book,

int(cos(a*z)/(z^2-4*z+8), z) return contain some Si  and Ci

## Any Example can help see the difference ...

Maple

Any Example can help see the difference between contour and simple integration?

int(XXXX, x, method = contour);

int (XXX, x)

which example can help to see the difference?

## How to make maple to change ln(exp(x)) =...

Maple

How to make maple to change ln(exp(x)) = x?  for example exp(ln(x)) = x, or ln(exp(x+1)) = x+1

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