Hungarian Polya masterpiece “How to Solve it” – adopted methodology in “Singapore Maths”. At 18:11 mins summarizes Polya’s Methodology Key takeaways: 方法= 2 手段 反向思维 (reductio absurdum) 特例eg. Functional equation problem f²(x) + 2f'(x) + 1 = 0Test case x=0…. Visual...
I'd like to solve a 1st order differential equation like this in 1d domain: du/dx =u x in [0,2] u(0) = 1000 while I was using the General Form PDE in stationary , there are two boundary point in x=0 and x=2. the default condition is zero flux ...