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EAS230 Week 1
The first week of MATLAB information
Question | Answer |
---|---|
What is the assignment operator? | = |
exponentiation operation | a^b |
multiplication operation | a*b |
right division operation | a/b |
left division operation | a\b |
addition operation | a+b |
subtraction operation | a-b |
Whats the command to clear the Command Window? | clc |
What is the comment character? | % |
What is the square root function? | sqrt(x) |
What is the sin function (in radians)? | sin(x) |
What is the sin function (in degrees)? | sind(x) |
What is the cos function (in radians)? | cos(x) |
What is the cos function (in degrees)? | cosd(x) |
What is the tan function (in radians)? | tan(x) |
What is the tan function (in degrees)? | tand(x) |
What is the cot function (in radians)? | cot(x) |
What is the cot function (in degrees)? | cotd(x) |
What is the inverse trig function of sin (radians and degrees)? | asin(x) and asind(x) |
What is the inverse trig function of cos (radians and degrees)? | acos(x) and acosd(x) |
What is the inverse trig function of tan (radians and degrees)? | atan(x) and atand(x) |
What is the inverse trig function of cot (radians and degrees)? | acot(x) and acotd(x) |
What is the function to "round to the nearest integer?" | round(x) |
What is the function to "round toward zero?" | fix(x) |
What is the function to "round toward infinity?" | ceil(x) |
What is the function to "round toward minus infinity?" | floor(x) |
What is the function that "returns the remainder after x is divided by y" | rem(x,y) |
What is the signum function, "returns 1 if x >0 , -1 if x < 0, and 0 if x = 0?" | sign(x) |
What must a MATLAB variable name begin with? | a letter |
What is the purpose of the semicolon (;)? | It does not display the variable with its assigned value |
How to put multiple assignment commands on one line? | a comma |