3k views

### find the number of integral solutions a+b+c+d+e+f = 18 [duplicate]

Find the number of integral solutions of a + b + c + d + e + f = 18 where a, b, c, d, e, f are elements of the range ...
405 views

### Solving an equation for all possible integer solutions [duplicate]

Problem: A person spends 15 dollars at the store. Eggs cost 1 dollar. Milk costs 2 dollars and bread costs 3 dollars. I'm attempting to create a list of all possible integer solutions to the problem. ...
640 views

### Is there a way to use functions like Prime[n] within Solve[]?

I'm trying to see if a number can be written as the sum of two prime numbers. Ideally, I would like to use Solve[ Prime[n] + Prime[m] == 100, {n, m}] But that ...
1k views

### How do I make Reduce yield all solutions explicitly?

Say I want to do the following: Reduce[ x+y+z==1, {x,y,z}, Modulus -> 7 ] then I get a solution with parameters, C[1] : <...
590 views

### How to count the integer grid numbers defined by inequalities?

I have the following code to show a red area defined by inequalities: ...
645 views

### removing list containing zeros

I have a list of lists which looks something like this- {{12,1,23,.....,4},{0,0,0,.....,0},{34,67,5,.....,60},{0,0,0,.....,0}}. I want list to look something like - ...
1k views