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Online Technical Assessment_nVent IND

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30 questions
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  • Q1
    What function in MATLAB is used to create a matrix with evenly spaced values?
    linspace
    rand
    ones
    zeros
    30s
  • Q2
    Which command is used in MATLAB to measure the execution time of a function or script?
    timeit
    tic and toc
    clock
    runtime
    30s
  • Q3
    In MATLAB, which function would you use to find the maximum value in an array?
    largest
    top
    max
    minimum
    30s
  • Q4
    What is the primary purpose of the MATLAB function 'fprintf'?
    To print formatted text to the screen or a file
    To read data from a file
    To perform file I/O operations including read/write
    To create a figure window
    30s
  • Q5
    Which function in MATLAB is used to compute the Fast Fourier Transform of a signal?
    fft
    ifft
    spectrum
    dft
    30s
  • Q6
    In MATLAB, which function is used to solve a system of linear equations?
    eqsolve
    solve
    linsolve
    roots
    30s
  • Q7
    Which MATLAB function is used to find the eigenvalues of a matrix?
    eig
    val
    values
    eigen
    30s
  • Q8
    What function is used in MATLAB to solve a system of linear equations Ax = B?
    mldivide
    inv
    eig
    linsolve
    30s
  • Q9
    Which MATLAB function is used to obtain the size of an array or matrix?
    shape
    dim
    size
    length
    30s
  • Q10
    What is the purpose of the 'clear' command in MATLAB?
    To reset the plotting area
    To display help information
    To remove variables from the workspace
    To save the current workspace
    30s
  • Q11
    Which function in MATLAB is used to read data from a text file?
    fopen
    textscan
    readtable
    fprintf
    30s
  • Q12
    Which command in MATLAB is used to create a 2D plot of y versus x?
    graph
    scatter
    plot
    line
    30s
  • Q13
    What data structure in MATLAB is primarily used to store collections of data of different types and sizes?
    numeric array
    structure array
    table
    cell array
    30s
  • Q14
    What is the purpose of the 'subplot' function in MATLAB?
    To create multiple plots in a single figure window
    To enhance plot visibility
    To modify the color of plots
    To save figures to files
    30s
  • Q15
    What command in MATLAB is used to display the contents of a variable in the command window?
    show
    print
    disp
    echo
    30s

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