Dear all,

I woul line integrate e gradient moltiply to a vector. I will try to explain better.

I have define this function:

and I have a vector a

v=(0,1)

I would like to applu a dot product between the gradient of phi an the vector and integrate the results.

I have already try in many way but without succeed. Someone could please help me?

Thanks

the final result I want to get should be b*x

Thank you.

Hi,

I was wondering how I could assign small angel assumptions so that I could simplify an equation of motion to solve for theta double dot. Thank you for your help.

Download small_angle_assumption.mw

Equation Manipulation

-assumptions- small angel

Error, (in isolate) unable to isolate diff(diff(`ϑ`(t), t), t)

While substituting expressions for θ(t),θ'(t),θ''(t) with some rather simple polynoms (see attached demonstration), the result icludes terms such as "·^{2}" or "θ1·" (see terms multiplying ε^{8} and ε^{7}in result for C1). It seems MAPLE treates the "·" sign as a variable/constant instead of as an operator. What am I doing wrong?

I wish to use the 'Numeric Formatting' feature on some results in Maple, to show the correct significant figures in the results. But when I apply Numeric Formatting to any result, the decimal seperator changes from the usual dot (.) to a comma (,). How can I keep the dot as decimal seperator while applying the correct significant figures?

Thanks.

Hello,

I wish to enter in the math dot operator but I can't find the way to enter it in the document mod. I also searched the help and did not find a way.

all I want is to enter dot(varphi)

thanks

Rami

The "." notation for the dot product of Vectors is very convenient and intuitive. For example:> <1,2,3> . <1,1,1>;

6One sometimes annoying feature of it, however, is that by default Maple is using a dot product (suitable for Vectors with complex scalars) that is conjugate-linear in the first argument. But let's say you will only be working with real scalars. There's no problem if your Vectors have numeric entries, but...

A short remark. This would be a blog entry if those still existed.

I am comparing plot,options.

The style=point option has versatile options for symbols, their sizes, the number of points:

, 'style' = point , 'numpoints' = 50 , 'symbol' = solidcircle , 'symbolsize' = 8

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