若[tex=5.0x1.429]U93ae75fuTDIyESpUsh0Zn84zzoLTuOERki93/f7fyM=[/tex],则有[tex=9.929x2.429]jy0nnXAQDu6xNUrOPW8NEFcnXWVl9qFHfJdS+nUl55q94RIV9bKBbs+En0DTWcHvlUXFHi2zZuFsMH3RBnY56g==[/tex].
若[tex=5.0x1.429]U93ae75fuTDIyESpUsh0Zn84zzoLTuOERki93/f7fyM=[/tex],则有[tex=9.929x2.429]jy0nnXAQDu6xNUrOPW8NEFcnXWVl9qFHfJdS+nUl55q94RIV9bKBbs+En0DTWcHvlUXFHi2zZuFsMH3RBnY56g==[/tex].
判断下列级数是绝对收敛,条件收敛还是发散的?[tex=9.929x2.429]7iv3aRVYYxHRxDZ6pt1o1cOulGCxMlsbW9UiyLb/zm+pLKFdcMMPEG+8AP2S4izqL0aWEa59JkTjHuSVYNzylw==[/tex].
判断下列级数是绝对收敛,条件收敛还是发散的?[tex=9.929x2.429]7iv3aRVYYxHRxDZ6pt1o1cOulGCxMlsbW9UiyLb/zm+pLKFdcMMPEG+8AP2S4izqL0aWEa59JkTjHuSVYNzylw==[/tex].
已知网络函数为[tex=9.929x2.429]j1DW43bUEpF2eIqH1t+SSroxT3R4++HoyO7wXrZ7w6gC9JTkDIMfiqvtbIY0ccQh[/tex][br][/br]试定性作出单位冲激响应的波形。
已知网络函数为[tex=9.929x2.429]j1DW43bUEpF2eIqH1t+SSroxT3R4++HoyO7wXrZ7w6gC9JTkDIMfiqvtbIY0ccQh[/tex][br][/br]试定性作出单位冲激响应的波形。
已知两个序列[tex=11.214x1.571]nLEvGvQJd6t+lMnzbL3ogcnzK6qBMRmQfFyWIUnES2N6NB8YtxJm8mHYjEVMitoq[/tex][tex=9.929x2.429]I8NPldFY7ka7GlJUW9CTBKpEPI9NX+BEacyO0XzQ/JkYup5EKpYhE2q3eg0DWmWUwCAsPb8WHfCY/1j02Z7HhvQtpnQ3cCoSWrNIgE9wBB0=[/tex]用基-2 FFT算法完成(2)的计算。
已知两个序列[tex=11.214x1.571]nLEvGvQJd6t+lMnzbL3ogcnzK6qBMRmQfFyWIUnES2N6NB8YtxJm8mHYjEVMitoq[/tex][tex=9.929x2.429]I8NPldFY7ka7GlJUW9CTBKpEPI9NX+BEacyO0XzQ/JkYup5EKpYhE2q3eg0DWmWUwCAsPb8WHfCY/1j02Z7HhvQtpnQ3cCoSWrNIgE9wBB0=[/tex]用基-2 FFT算法完成(2)的计算。
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
下列函数中,在定义域内连续的是[u] [/u]. 未知类型:{'options': ['[tex=9.571x2.429]b0AejGK8cZqfdbG3Tux+uQTGJ7KqnpWI88JYx3BW0mlJ24imOVqd1N2YfD/t1u7OvnO4uXsYUad2fQ7DtHMuijKOSG88hdnB9zQKQXG1cUs=[/tex]', '[tex=9.429x4.0]cmTep0AEWBonXh7mu+m1TbPW7KVRtM2BMmUKRgt+1DMaEIbLVzl989jJ9KCa1O1540HGERm5hz9swAm1JxmHd4/I5mas6HWbJ6PZLshPkq3dRBzCYIcP44Q+2INS+FQD[/tex]', '[tex=9.929x2.429]TI42JSNRppc7Hp/2HcGWnYouwrRpQEVhaifL78tSwGHhlAWQ9tq8wzqhTf16re5UrFnZ5wyUWfcWSEyauDfirQ==[/tex]', '[tex=12.071x2.5]rPv0VD0uSHilk9kRx82SkF82srnEHLB17+e86nMSLroI1tu1FdVNvbPO7AQgIe9gy9CaHZ7R9vOTgAgy3NoH8IHmNNOgPvoO2JeMky1Gc/4=[/tex]'], 'type': 102}
设[tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex]和[tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex]是两个相互独立的随机变量,其概率密度分别为[tex=10.5x2.429]AKDO75xe4ZCM39Kq5uiB5/K80svWt0OrDA9cG2CVB//fRyACSuiUqM9PC8DJZVuJmjLnpcS53DC01RJ29op7axE70cwhR0l5zyohWm5WjBM=[/tex][tex=9.929x2.429]eWKPPdSbgqScmjpK5NLU6OmDyessmcNbwbDVoWAQ6sGvcPRPz3NEgKoaaOzjxujSc30KIWjGv5N0poNhNmbpog==[/tex]求随机变量[tex=3.857x1.143]tQg3DFF0Or2Ho+1l3OqGpQ==[/tex]的分布密度.
设[tex=0.857x1.0]KGogyvwDAIJf/iL0H/9wjg==[/tex]和[tex=0.643x1.0]jDVSpgNhHe+VJmgvx3gg1Q==[/tex]是两个相互独立的随机变量,其概率密度分别为[tex=10.5x2.429]AKDO75xe4ZCM39Kq5uiB5/K80svWt0OrDA9cG2CVB//fRyACSuiUqM9PC8DJZVuJmjLnpcS53DC01RJ29op7axE70cwhR0l5zyohWm5WjBM=[/tex][tex=9.929x2.429]eWKPPdSbgqScmjpK5NLU6OmDyessmcNbwbDVoWAQ6sGvcPRPz3NEgKoaaOzjxujSc30KIWjGv5N0poNhNmbpog==[/tex]求随机变量[tex=3.857x1.143]tQg3DFF0Or2Ho+1l3OqGpQ==[/tex]的分布密度.
下列变量组()是一个闭回路。 A: {x,x,x,x,x,x} B: {x,x,x,x,x} C: {x,x,x,x,x,x} D: {x,x,x,x,x,x}
下列变量组()是一个闭回路。 A: {x,x,x,x,x,x} B: {x,x,x,x,x} C: {x,x,x,x,x,x} D: {x,x,x,x,x,x}