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学科：应用高等数学（下）
时间：2025-07-01 06:59:07
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题目1单选题
下列变量命名正确的是:( )A. gf.12B. 2yy_12C. dff(15)D. jh_25
题目2单选题
<img src="https://tihai-oss-cloud.itihey.com/img/ae43539653593066afde89974d379ea2.png">A. syms x y z [x y z]=solve(x+y+z=10, 3*x+2*y+z=14, 2x+3*y-z=1)B. syms x y z [x y z]=solve(x+y+z=10, 3*x+2*y+z=14, 2*x+3*y-z=1)C. syms x y z [x y z]=solve(x+y+z==10, 3*x+2*y+z==14, 2*x+3*y-z==1)D. syms x y z [x y z]=solve(x+y+z==10, 3*x+2*y+z==14, 2x+3y-z==1)
题目3单选题
<img src="https://tihai-oss-cloud.itihey.com/img/2a3c80bac4f36f269475711c711a1d68.png">在matlab命令中输入正确的是:( )A. pow2(1/3)B. pow2(3)C. sqrt(1/3)D. 3^(1/2)
题目4单选题
绘制双曲线<img src="https://tihai-oss-cloud.itihey.com/img/6e75bcfeb44a60eac8d1a3507b03a8cf.webp">的图像时,输入下面哪个命令( )A. syms x y zeplot(x^2-y^2==2)B. syms x y fplot(x^2-y^2==2)C. syms x y ezplot(x^2-y^2==2)D. syms x y fplot(x^2-y^2=2)
题目5单选题
求不定积分<img src="https://tihai-oss-cloud.itihey.com/img/535a4ce0b26c549d25e9ca692d8489d9.webp">,程序如下: >>clear,clc >>syms x >> %求定积分A. inf( tan(x), x, -2, 1 )B. int( tan(x), x, -2, 1 )C. int( tan*x, x, 1, -2 )D. int( tan(x), x, 1, -2 )
题目6单选题
<img src="https://tihai-oss-cloud.itihey.com/img/8828d0e6ce78639ead7091862537e7b4.png">A. sym x yB. syms x yC. syms x,yD. sym x,y
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/0c64158dcc0b9ea058e247a9c327203e.png">A. 5B. 6C. 4D. 1
题目8单选题
下面的矩阵A,很有可能是由哪个函数生成的( ). <img src="https://tihai-oss-cloud.itihey.com/img/1c6e8a810a423428ab3d4866eca9ba5a.png">A. zeros(2,4)B. rand(2,4)C. eye(2,4)D. ones(2,4)
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/bafa0413ce3de56f5ad68523f0d20468.webp">在 matlab 中进行计算,其格式输入正确的是:( )A. (3-sin(pi/3))+log10(6)-sprt(7)B. abs(3-sin(pi/3))+log10(6)-sqrt(7)C. abs(3-sin(pi/3))+log(6)-sqrt(7)D. (3-sin(pi/3))+log(6)-sprt(7)
题目10单选题
<img src="https://tihai-oss-cloud.itihey.com/img/e050e562f57bb2848931ce4dfa0d10df.png">A. log3(5)B. log(5)/log(3)C. log(3)/log(5)D. log5(3)
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