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1answer
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Transforming one exponential expression to multiplication of exponential expressions [duplicate]

I have the following expression: Exp[a * x + b * y + c * z] I want to write this expression as: ...
0
votes
1answer
44 views

How to remove Wrong relations after LogicalExpand?

I have a complex relation which I need to expand and represnt it clear and nice. So I used LogicalExpand (LE). I know LE does only the simple expansion and nothing further. but it creates some wrong ...
1
vote
1answer
55 views

LogicalExpand does not work correct?

I have a boolean expression and need to distribute all it's part. I used LogicalExpand and it works fine somehow. but I see for some sub-parts it does not Simpify or solve it. I tried Simplify for ...
2
votes
1answer
135 views

How to expand a function as a linear combination of other functions?

I would like to be able to expand certain functions as linear combinations of other specified functions when I know that the original function can be represented in such a way e.g. we know that $\sin^{...
1
vote
2answers
71 views

how to get the result without conditional expressions

I am working with JAVA API and send a relation to kernel, then receive the returned solved result. Although I explicitly mentioned in my relation to have Integer Elements, the returned expressions ...
3
votes
1answer
114 views

Pick up certain terms in multiplication [closed]

Suppose I have the following expression: (2a + 3b)^2 when expanded, it gives 4a^2 + 9b^2 +6a*b I want to pick up only the terms involving a* b, that is the term 6a*b. Is there an automatic way to pick ...