[Bug or Suggestion]About HP Prime G1 New Beta Firmware
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11-29-2019, 02:38 PM
Post: #4
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RE: [Bug or Suggestion]About HP Prime G1 New Beta Firmware
Related issues
Code: ∫(∫(e^(-(x^2+y^2)/2),y,-(sqrt(a^2-x^2)),sqrt(a^2-x^2)),x,-a,a) Code: integrate(sqrt(pi)*1/(sqrt(2))*erf(sqrt(a^2-x^2)*exp(ln(2)/2)/2)*exp(-x^2/2)-sqrt(pi)*1/(sqrt(2))*erf(-sqrt(a^2-x^2)*exp(ln(2)/2)/2)*exp(-x^2/2),x,-a,a) In fact, we can get the correct answer through polar transformation. Code: ∫(∫(e^(-r^2/2)*r,r,0,a),x,0,2π) Code: 2*pi*(-exp(-a^2/2)+1) study hard, improve every day |
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Messages In This Thread |
[Bug or Suggestion]About HP Prime G1 New Beta Firmware - yangyongkang - 11-22-2019, 08:37 AM
RE: [Bug or Suggestion]About HP Prime G1 New Beta Firmware - Albert Chan - 11-22-2019, 06:03 PM
RE: [Bug or Suggestion]About HP Prime G1 New Beta Firmware - yangyongkang - 11-23-2019, 02:18 AM
RE: [Bug or Suggestion]About HP Prime G1 New Beta Firmware - yangyongkang - 11-29-2019 02:38 PM
RE: [Bug or Suggestion]About HP Prime G1 New Beta Firmware - yangyongkang - 12-04-2019, 01:32 PM
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