Recent questions tagged Math

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math - Converting a python numeric expression to LaTeX

I need to convert strings with valid python syntax such as: '1+2**(x+y)' and get the equivalent LaTeX: ... show them in a webpage with mathjax. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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math - Rotation Interpolation

NB: I'll present this question in degrees purely for simplicity, radians, degrees, different zero-bearing, the ... help would be appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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math - Fast implementation of trigonometric functions for c++

Short version: I'd like to know whether there are implementations of the standard trigonometric functions that ... solutions in some libraries? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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math - Is the time complexity of the empty algorithm O(0)?

So given the following program: Is the time complexity of this program O(0)? In other words, is 0 O(0)? I thought ... is, is 0 O(0) as well? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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949 views

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math - Efficient storage of prime numbers

For a library, I need to store the first primes numbers up to a limit L. This collection must have a ... easily programmable packed bit arrays) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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940 views

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math - Calculate rotations to look at a 3D point?

I need to calculate the 2 angles (yaw and pitch) for a 3D object to face an arbitrary 3D point. These rotations are ... Y is yaw and Z is roll See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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771 views

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math - What is the best algorithm to calculate the most scored item?

I have an music items that are scored by users between 1 to 5, and I need a formula to get the 5 ... in the function: votesAverage, votesCount. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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840 views

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math - "Average" of multiple quaternions?

I'm trying to make the switch from matrices to quaternions for skeletal animation in my OpenGL program, but I've ... by the number of matrices) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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925 views

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math - What is the most efficient way to calculate the least common multiple of two integers?

What is the most efficient way to calculate the least common multiple of two integers? I just came up with this, but it ... "lcm is " + m1 ); See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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867 views

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math - Does tensorflow use automatic or symbolic gradients?

I haven't been able to find a clear statement of whether tensorflow uses automatic or symbolic differentiation. I ... it has that capability. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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math - Inverse Bilinear Interpolation?

I have four 2d points, p0 = (x0,y0), p1 = (x1,y1), etc. that form a quadrilateral. In my case, ... implementation of Naaff's solution as a wiki. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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791 views

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math - What is the gradient orientation and gradient magnitude?

I am currently studying a module in computer vision called edge detection. I am trying to understand the ... orientation and gradient magnitude. See Question&Answers more detail:os...