Thanks for version 1.3.8. I've only did partial test (less than 50%) but regression report generated so far shows there are some integrals no longer evaluate in 1.3.8 but did in 1.3.7. This could be due to bug fix. But thought to let you know just in case.
example 1 ======== using 1.3.7 integrate((F^((-a*x+1)^(1/2)/(a*x+1)^(1/2)))^n/(-a^2*x^2+1),x); gives ((-1)*Ei((n*log(F)*((-1)*a*x+1)^(1/2)*(a*x+1)^(1/2))/(a*x+1)))/a But does not evaluate (returns the input) in 1.3.8 example 2 ======== using 1.3.7 integrate(F^(3*(-a*x+1)^(1/2)/(a*x+1)^(1/2))/(-a^2*x^2+1),x) gives ((-1)*Ei((3*log(F)*((-1)*a*x+1)^(1/2)*(a*x+1)^(1/2))/(a*x+1)))/a But does not evaluate (returns the input) in 1.3.8 example 3 ======== using 1.3.7 integrate(F^(2*(-a*x+1)^(1/2)/(a*x+1)^(1/2))/(-a^2*x^2+1),x) gives ((-1)*Ei((2*log(F)*((-1)*a*x+1)^(1/2)*(a*x+1)^(1/2))/(a*x+1)))/a But does not evaluate (returns the input) in 1.3.8 example 4 ======== using 1.3.7 integrate(F^(2*(-a*x+1)^(1/2)/(a*x+1)^(1/2))/(-a^2*x^2+1),x) gives ((-1)*Ei((2*log(F)*((-1)*a*x+1)^(1/2)*(a*x+1)^(1/2))/(a*x+1)))/a But does not evaluate (returns the input) in 1.3.8 example 5 ======== using 1.3.7 integrate(sec(d*x+c)*(a+b*sin(d*x+c))^(5/2),x) gives this long output [((3*b^2+(-6)*a*b+3*a^2)*((-1)*b+a)^(1/2)*log(((((-8)*b^3*cos(d*x+c)^2+(64*b ^3+(-224)*a*b^2+192*a^2*b))*sin(d*x+c)+((56*b^3+(-80)*a*b^2)*cos(d*x+c)^2+((- 64)*b^3+160*a*b^2+(-192)*a^2*b+128*a^3)))*((-1)*b+a)^(1/2)*(b*sin(d*x+c)+a)^( 1/2)+((((-28)*b^4+32*a*b^3)*cos(d*x+c)^2+(56*b^4+(-256)*a*b^3+448*a^2*b^2+(-2 56)*a^3*b))*sin(d*x+c)+((-1)*b^4*cos(d*x+c)^4+(72*b^4+(-224)*a*b^3+160*a^2*b^ 2)*cos(d*x+c)^2+((-72)*b^4+256*a*b^3+(-320)*a^2*b^2+256*a^3*b+(-128)*a^4))))/ ((4*cos(d*x+c)^2+(-8))*sin(d*x+c)+((-1)*cos(d*x+c)^4+8*cos(d*x+c)^2+(-8))))+( (3*b^2+6*a*b+3*a^2)*(b+a)^(1/2)*log(((((-8)*b^3*cos(d*x+c)^2+(64*b^3+224*a*b^ 2+192*a^2*b))*sin(d*x+c)+(((-56)*b^3+(-80)*a*b^2)*cos(d*x+c)^2+(64*b^3+160*a* b^2+192*a^2*b+128*a^3)))*(b+a)^(1/2)*(b*sin(d*x+c)+a)^(1/2)+((((-28)*b^4+(-32 )*a*b^3)*cos(d*x+c)^2+(56*b^4+256*a*b^3+448*a^2*b^2+256*a^3*b))*sin(d*x+c)+(b ^4*cos(d*x+c)^4+((-72)*b^4+(-224)*a*b^3+(-160)*a^2*b^2)*cos(d*x+c)^2+(72*b^4+ 256*a*b^3+320*a^2*b^2+256*a^3*b+128*a^4))))/((4*cos(d*x+c)^2+(-8))*sin(d*x+c) +(cos(d*x+c)^4+(-8)*cos(d*x+c)^2+8)))+((-16)*b^2*sin(d*x+c)+(-112)*a*b)*(b*si n(d*x+c)+a)^(1/2)))/(24*d),((3*b^2+(-6)*a*b+3*a^2)*((-1)*b+a)^(1/2)*log(((((- 8)*b^3*cos(d*x+c)^2+(64*b^3+(-224)*a*b^2+192*a^2*b))*sin(d*x+c)+((56*b^3+(-80 )*a*b^2)*cos(d*x+c)^2+((-64)*b^3+160*a*b^2+(-192)*a^2*b+128*a^3)))*((-1)*b+a) ^(1/2)*(b*sin(d*x+c)+a)^(1/2)+((((-28)*b^4+32*a*b^3)*cos(d*x+c)^2+(56*b^4+(-2 56)*a*b^3+448*a^2*b^2+(-256)*a^3*b))*sin(d*x+c)+((-1)*b^4*cos(d*x+c)^4+(72*b^ 4+(-224)*a*b^3+160*a^2*b^2)*cos(d*x+c)^2+((-72)*b^4+256*a*b^3+(-320)*a^2*b^2+ 256*a^3*b+(-128)*a^4))))/((4*cos(d*x+c)^2+(-8))*sin(d*x+c)+((-1)*cos(d*x+c)^4 +8*cos(d*x+c)^2+(-8))))+(((-6)*b^2+(-12)*a*b+(-6)*a^2)*((-1)*b+(-1)*a)^(1/2)* atan((((6*b^2+8*a*b)*sin(d*x+c)+((-1)*b^2*cos(d*x+c)^2+(2*b^2+8*a*b+8*a^2)))* ((-1)*b+(-1)*a)^(1/2)*(b*sin(d*x+c)+a)^(1/2))/((4*b^3+16*a*b^2+12*a^2*b)*sin( d*x+c)+(((-4)*b^3+(-4)*a*b^2)*cos(d*x+c)^2+(4*b^3+8*a*b^2+12*a^2*b+8*a^3))))+ ((-16)*b^2*sin(d*x+c)+(-112)*a*b)*(b*sin(d*x+c)+a)^(1/2)))/(24*d),((3*b^2+6*a *b+3*a^2)*(b+a)^(1/2)*log(((((-8)*b^3*cos(d*x+c)^2+(64*b^3+224*a*b^2+192*a^2* b))*sin(d*x+c)+(((-56)*b^3+(-80)*a*b^2)*cos(d*x+c)^2+(64*b^3+160*a*b^2+192*a^ 2*b+128*a^3)))*(b+a)^(1/2)*(b*sin(d*x+c)+a)^(1/2)+((((-28)*b^4+(-32)*a*b^3)*c os(d*x+c)^2+(56*b^4+256*a*b^3+448*a^2*b^2+256*a^3*b))*sin(d*x+c)+(b^4*cos(d*x +c)^4+((-72)*b^4+(-224)*a*b^3+(-160)*a^2*b^2)*cos(d*x+c)^2+(72*b^4+256*a*b^3+ 320*a^2*b^2+256*a^3*b+128*a^4))))/((4*cos(d*x+c)^2+(-8))*sin(d*x+c)+(cos(d*x+ c)^4+(-8)*cos(d*x+c)^2+8)))+(((-6)*b^2+12*a*b+(-6)*a^2)*(b+(-1)*a)^(1/2)*atan ((((6*b^2+(-8)*a*b)*sin(d*x+c)+(b^2*cos(d*x+c)^2+((-2)*b^2+8*a*b+(-8)*a^2)))* (b+(-1)*a)^(1/2)*(b*sin(d*x+c)+a)^(1/2))/((4*b^3+(-16)*a*b^2+12*a^2*b)*sin(d* x+c)+((4*b^3+(-4)*a*b^2)*cos(d*x+c)^2+((-4)*b^3+8*a*b^2+(-12)*a^2*b+8*a^3)))) +((-16)*b^2*sin(d*x+c)+(-112)*a*b)*(b*sin(d*x+c)+a)^(1/2)))/(24*d),(((-3)*b^2 +6*a*b+(-3)*a^2)*(b+(-1)*a)^(1/2)*atan((((6*b^2+(-8)*a*b)*sin(d*x+c)+(b^2*cos (d*x+c)^2+((-2)*b^2+8*a*b+(-8)*a^2)))*(b+(-1)*a)^(1/2)*(b*sin(d*x+c)+a)^(1/2) )/((4*b^3+(-16)*a*b^2+12*a^2*b)*sin(d*x+c)+((4*b^3+(-4)*a*b^2)*cos(d*x+c)^2+( (-4)*b^3+8*a*b^2+(-12)*a^2*b+8*a^3))))+(((-3)*b^2+(-6)*a*b+(-3)*a^2)*((-1)*b+ (-1)*a)^(1/2)*atan((((6*b^2+8*a*b)*sin(d*x+c)+((-1)*b^2*cos(d*x+c)^2+(2*b^2+8 *a*b+8*a^2)))*((-1)*b+(-1)*a)^(1/2)*(b*sin(d*x+c)+a)^(1/2))/((4*b^3+16*a*b^2+ 12*a^2*b)*sin(d*x+c)+(((-4)*b^3+(-4)*a*b^2)*cos(d*x+c)^2+(4*b^3+8*a*b^2+12*a^ 2*b+8*a^3))))+((-8)*b^2*sin(d*x+c)+(-56)*a*b)*(b*sin(d*x+c)+a)^(1/2)))/(12*d) ] But does not evaluate in 1.3.8 The following all timeout now when they did not on 1.3.7. I need to re-run these again to make sure the timeout is due to version number change and not anything else integrate((j*x^4+i*x^3+h*x^2+g*x+f)/(c*x^2+b*x+a)^(5/2),x,) integrate((j*x^4+i*x^3+h*x^2+g*x+f)/(-c*x^2+b*x+a)^(5/2),x) integrate(x*(e*x^3+d)/(c*x^6+b*x^3+a),x) integrate((e*x^3+d)/(c*x^6+b*x^3+a),x) integrate(x^2*(e*x^4+d)/(c*x^8+b*x^4+a),x) integrate((e*x^4+d)/(c*x^8+b*x^4+a),x) integrate((e*x)^m*(a+b*log(c*log(d*x)^p)),x) I will have a full regression report done when all CAS integration tests completed. --Nasser -- You received this message because you are subscribed to the Google Groups "FriCAS - computer algebra system" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/fricas-devel/e102547b-cc7a-47dc-a862-0bc07235409cn%40googlegroups.com.
