Que.Which is the invalid variable name in MATLAB?
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| a. x6 |
| b. last |
| c. 6x |
| d. z |
Que.What is the difference between syms ‘x’ and sym ‘x’?
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| a. there is no difference, they are the same functions |
| b. they are equivalent |
| c. syms ‘x’ makes the declaration long lasting while sym ‘x’ makes the declaration short lasting |
| d. syms ‘x’ makes the symbol short lasting while sym ‘x’ makes the declaration long lasting |
syms ‘x’ makes the declaration long lasting while sym ‘x’ makes the declaration short lasting
Que.What is the nature of the arrangement of the coefficients to store the following expression in MATLAB?y= 3xQue.How would you simplify log(x²Que.What happens if we don’t assign a variable to an expression which evaluates a numerical value?
| | a. MATLAB shows error | | b. Nothing happens | | c. The evaluated values are assigned to a variable ans automatically | | d. Depends on the numerical value |
The evaluated values are assigned to a variable ans automatically Que.MATLAB sees a ________ ordered variable as a vector of dimension n*1.
| a. nQue.Name the functions used, for multiplication and division of two polynomials in MATLAB.
| | a. conv() and deconv() | | b. mult() and div() | | c. conv() and div() | | d. mult and div |
Que.How can the formulation of polynomial be done from its roots?
| | a. poly(r), r is a row vector, containing the roots of the polynomial | | b. poly([roots as a coloumn vector]) | | c. poly([roots as a row vector]) | | d. poly([roots in descending order as a coloumn vector]) |
poly([roots as a coloumn vector]) Que.The function to evaluate the value of a polynomial,l for a constant value of the independent variable(say a) in the polynomial is ______
| | a. poly(p,a), p is a row vector | | b. polyder(p) | | c. polyint(p) | | d. polyval(c,a), c is a row vector |
polyval(c,a), c is a row vector Que.What will be the output when the following code is written in MATLAB?u=sin(10);v=pi;whos
| | a. u and v are double with 8 bytes | | b. u and v are symbolic objects | | c. error | | d. u and v are double arrays |
u and v are double with 8 bytes Que.What is the disadvantage of the whos function in MATLAB?
| | a. It does not show the values of the variable | | b. It does not show the size of the variable | | c. It does not show the class of the variable | | d. It does not show the name of the variable |
It does not show the values of the variable Que.What will be the output of the following code?A=100; if(A>99) clear A; end
| | a. A never gets stored in MATLAB | | b. A is first stored and then removed from workspace | | c. Error | | d. A is retained in the workspace |
A is first stored and then removed from workspace Que.What is the replacement for the whos function?
| | a. Workspace window | | b. Command window | | c. Current folder window | | d. Remembering all the variables used |
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