matlab求积分,上下限为字母syms i I af2=i./2*log(2*I-i.*(1-cos(a)));s2=int(f2,i,0,I)运算处总是出错piecewise([cos(a) 1 and abs(arg(cos(a) - 1)) < pi and I = 1/2,log(cos(a)/2 + 1/2)/16 - (log(cos(a)/2 + 1/2)/4 - cos(a)/8 + 1/8)/(cos(a) -
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![matlab求积分,上下限为字母syms i I af2=i./2*log(2*I-i.*(1-cos(a)));s2=int(f2,i,0,I)运算处总是出错piecewise([cos(a) 1 and abs(arg(cos(a) - 1)) < pi and I = 1/2,log(cos(a)/2 + 1/2)/16 - (log(cos(a)/2 + 1/2)/4 - cos(a)/8 + 1/8)/(cos(a) -](/uploads/image/z/5905486-46-6.jpg?t=matlab%E6%B1%82%E7%A7%AF%E5%88%86%2C%E4%B8%8A%E4%B8%8B%E9%99%90%E4%B8%BA%E5%AD%97%E6%AF%8Dsyms+i+I+af2%3Di.%2F2%2Alog%282%2AI-i.%2A%281-cos%28a%29%29%29%3Bs2%3Dint%28f2%2Ci%2C0%2CI%29%E8%BF%90%E7%AE%97%E5%A4%84%E6%80%BB%E6%98%AF%E5%87%BA%E9%94%99piecewise%28%5Bcos%28a%29+1+and+abs%28arg%28cos%28a%29+-+1%29%29+%3C+pi+and+I+%3D+1%2F2%2Clog%28cos%28a%29%2F2+%2B+1%2F2%29%2F16+-+%28log%28cos%28a%29%2F2+%2B+1%2F2%29%2F4+-+cos%28a%29%2F8+%2B+1%2F8%29%2F%28cos%28a%29+-)
matlab求积分,上下限为字母syms i I af2=i./2*log(2*I-i.*(1-cos(a)));s2=int(f2,i,0,I)运算处总是出错piecewise([cos(a) 1 and abs(arg(cos(a) - 1)) < pi and I = 1/2,log(cos(a)/2 + 1/2)/16 - (log(cos(a)/2 + 1/2)/4 - cos(a)/8 + 1/8)/(cos(a) -
matlab求积分,上下限为字母
syms i I a
f2=i./2*log(2*I-i.*(1-cos(a)));
s2=int(f2,i,0,I)
运算处总是出错
piecewise([cos(a) 1 and abs(arg(cos(a) - 1)) < pi and I = 1/2,log(cos(a)/2 + 1/2)/16 - (log(cos(a)/2 + 1/2)/4 - cos(a)/8 + 1/8)/(cos(a) - 1)^2 - 1/32],[cos(a) 1 and abs(arg(cos(a) - 1)) < pi and I = 1/2,log(1 - sin(a/2)^2)/16 - (log(1 - sin(a/2)^2)/8 + sin(a/2)^2/8)/(2*sin(a/2)^4) - 1/32],[cos(a) = 1 or pi
matlab求积分,上下限为字母syms i I af2=i./2*log(2*I-i.*(1-cos(a)));s2=int(f2,i,0,I)运算处总是出错piecewise([cos(a) 1 and abs(arg(cos(a) - 1)) < pi and I = 1/2,log(cos(a)/2 + 1/2)/16 - (log(cos(a)/2 + 1/2)/4 - cos(a)/8 + 1/8)/(cos(a) -
syms i I a
f2=i/2*log(2*I-i*(1-cos(a)));
s2=int(f2,i,0,I)
s2 =
1/8*I^2*(6*cos(a)-5-6*log(I+cos(a)*I)-cos(a)^2-4*log(I+cos(a)*I)*cos(a)+2*log(I+cos(a)*I)*cos(a)^2+8*log(2)+8*log(I))/(1-2*cos(a)+cos(a)^2)
我运行下来好像没什么问题