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alecjacobson
Computer Graphics Assignment – Mass Spring Systems
We began in the read with this equation.  And we calculate the matrix expression for the second term of the equation.  However, when it comes to the final...
After switching to sparse matrices the pre-computation is significantly faster but the animation is still quite slow. If I created Q and b using multiplications and additions should they still...
Hi, I am just a little confused why the two-steps work on a calculus-level: First, is the output space of the expression convex? Otherwise, we might run into issues that...
after running ./masssprings ..... I press 'A' to toggle the animation, but the spring just disappears, and nothing left on the screen but background color. Anyone meet the same issue?
In single-spring-horizontal.json, my unpinned vertex slowly comes to rest at the bottom of the pendulum without swinging from side to side. What can be the problem? I see that f_ext...
Can I directly follow the provided equation as shown in the picture? (with matrices such as A, M already converted to sparse matrix) Or should I compute the value for...
The README tells us to "add these quadratic and linear coefficients to Q and b above correspondingly." Does this mean to add the penalty term to every element in the...
1. In the documentation we used `Sum( m_i * (a_i)^2 * (delta_t)^2 )` to represent the Kinetic Energy, but in real physics, we always use `1/2 * Sum( m_i *...
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Computer Graphics Assignment – Mass Spring Systems