Recent content by Arnoldjavs3

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    Why does this algorithm work for calculating ln(x)?

    Homework Statement I found this algorithm online for computing ln(x). I use the babylonians method for computing square root if it is relevant. fun naturalLog(desired: Double): Double { var naturalLog = desired // desired = x for(number in 0..9) { naturalLog =...
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    How do you compute an exponent with irrational values?

    This has been really informative, thank you! I think once I've implemented a properly working algorithm for this, I can move on to implementations of trigonometric functions. Do you have any suggestions on other methods to look at for approximations? For now, I'm not too concerned about...
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    How do you compute an exponent with irrational values?

    I uploaded the file here if you're interested: http://www.filedropper.com/spie19991 Not sure why your browser is flagging that site... Loaded for me fine. Proceed at own risk though, lol. Also, back to your original suggestion. I have a question about computing ##e^x## where ##0<x<1##. How do...
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    How do you compute an exponent with irrational values?

    This was very informative, thank you. I was well aware of how a pocket hand-held calculator performed operations but did not bother to actually consider implementing their logic(since I'm implementing this calculator as an android app) I will read into both the paper you linked and...
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    How do you compute an exponent with irrational values?

    I suppose I could use some tables. I figured if I had a table of ##e^x## I could interpolate up to a certain point. Not sure to what degree though.
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    How do you compute an exponent with irrational values?

    Never would have thought that programming would get me more excited to do math! Too cool. I am not too worried about optimization of algorithms for now rather than just getting a proper calculator working. Edit: Ok abck to my original problem. So using the summation I mentioned above I get...
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    How do you compute an exponent with irrational values?

    Homework Statement Let's say I want to compute ##2^{2.4134}##. We know that the base is a rational number and the power is an irrational number. Please keep in mind that I have not taken too many math classes yet and I am self-studying right now by making a calculator and respective algorithms...
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    Is This Matrix Both Onto and One-to-One?

    Let's assume that it was from R4 -> R3. What now? It should never be one-to-one in that case, but can it still be onto?
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    Is This Matrix Both Onto and One-to-One?

    Homework Statement Say I have a matrix: [3 -2 1] [1 -4 1] [1 1 0] Is this matrix onto? One to one? Homework EquationsThe Attempt at a Solution I know it's not one to one. In ker(T) there are non trivial solutions to the system. But since I've confirmed there is something in the ker(T), does...
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    Converting standard to polar form

    Oh... right. I didn't know how to add the degree symbol with latex. I feel stupid now. How about the degree for ##z=-8i##? Am I right to think that it is 270o?
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    Converting standard to polar form

    Homework Statement you are given the standard form z = 3 - 3i Homework EquationsThe Attempt at a Solution so to convert this to polar form, i know that ##r = 3√2## but how do i find theta here? There are so many mixed answers it seems online that I can't tell... i know that ##(3,-3)## is in...
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    Question about row/column/nullspace

    Yup! Makes sense now. Just find it interesting that I understand the nullspace and can compute it easily but I still abstract details like that.
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    Question about row/column/nullspace

    The subspace of linear combinations that make your system equal to 0? edit: Now that I think about it, when A is a 3x5 matrix, you need a 5x1 matrix vector X. Since X is 5x1, that means the nullspace is in r5 since X represents all vectors inside the nullspace?
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    Question about row/column/nullspace

    Why would it be in r5 though? Each vector in the nullspace will only have 3 components
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    Question about row/column/nullspace

    Homework Statement If we have a 3x5 matrix: The row space is in r5, the col space is in r3, and the nullspace is in r3 correct? Because you would need 5 components to be a member of r5 so the col space cannot be a member of r5 correct? Here is the question: http://prntscr.com/evo91g Homework...