In Delphi, I use a component called TMathparser to evaluate an 开发者_开发技巧expression to get an answer. I am trying to get it to work in Delphi Prism and it is not working out too well. In fact, th
When I use % operator on float values I get error sta开发者_Python百科ting that \"invalid operands to binary % (have ‘float’ and ‘double’)\".I want to enter the integers value only but the numbers
Let\'s say I have some bitmap data (in black) over which some lines have been hand drawn in vector format (in green). The lines roughly follow the shape of the bitmap data. In some places, the lines i
Hello I am new to android. I want to calculate amount in my application. If amount is 35.60 I want to display 36.00 .& if amount is 35.4 I want to display 35.00. How can i do th开发者_开发技巧is?
I have some understanding problem concerning quaternions. In order to have my world object rotate in the correct way, I need to invert their quaternion rotation while refreshing the object world matr
I have this DFA described as (Q, q1, A, N, F) where Q = {1,2,3,4}, q1 = 1, A = {a,b,c}, F = {2,4}, N = { (1,a) -> 2, (1,b) -> 3, (1,c) -> 4,
I am taking a course on the formal foundations of programming, one of things we have covered is proving certain properties of languages, i have done most of the work, but I am stuck on these two quest
How can I write this in math functi开发者_运维技巧on in Android, im stuck on how to multiply things and use atan2:
I have a Java program that I must do for homework, and here\'s the formula that I must use: picture of formula. Sorry, I am not a native English speaker, and I don\'t knowthe name of this formula.
I have two square matrices A and B. A is symmetric, B is symmetric positive definite. I would like to compute $trace(A.B^{-1})$. For now, I compute the Cholesky decomposition of B, solve for C in the