Podcast
Questions and Answers
What is a vector in MATLAB?
What is a vector in MATLAB?
- A collection of strings
- A two-dimensional array of numbers
- An array with only non-zero elements
- A one-dimensional array of numbers (correct)
How can a column vector be created in MATLAB?
How can a column vector be created in MATLAB?
- By defining the vector as a function of another vector
- By enclosing numbers in rectangular brackets and separating them by commas
- By using the transpose operator on a row vector
- By enclosing a set of semicolon delimited numbers in square brackets (correct)
What does scalar multiplication of a vector entail?
What does scalar multiplication of a vector entail?
- Subtracting a scalar from each component of the vector
- Multiplying each component of the vector by a scalar value (correct)
- Adding a vector to itself a number of times
- Creating a new vector with fewer components
Which of the following correctly creates a row vector in MATLAB?
Which of the following correctly creates a row vector in MATLAB?
What is the outcome of transposing a column vector?
What is the outcome of transposing a column vector?
Which MATLAB command would yield 'b' as defined in the content?
Which MATLAB command would yield 'b' as defined in the content?
What does the MATLAB transpose operator look like?
What does the MATLAB transpose operator look like?
What is the primary reason MATLAB is useful for linear algebra?
What is the primary reason MATLAB is useful for linear algebra?
What MATLAB command would you use to convert Fahrenheit temperatures stored in an array called temps to Celsius?
What MATLAB command would you use to convert Fahrenheit temperatures stored in an array called temps to Celsius?
Which of the following is a correct way to end a MATLAB session?
Which of the following is a correct way to end a MATLAB session?
If the variable y has not been assigned a value, which of the following operations will MATLAB allow?
If the variable y has not been assigned a value, which of the following operations will MATLAB allow?
What will MATLAB return when you define the temperatures in the temps array as temps = [32, 50, 65, 70, 85] and then enter 'TemperatureData' in the command window?
What will MATLAB return when you define the temperatures in the temps array as temps = [32, 50, 65, 70, 85] and then enter 'TemperatureData' in the command window?
How is the volume of a cylinder calculated in MATLAB if the height is h and the radius is r?
How is the volume of a cylinder calculated in MATLAB if the height is h and the radius is r?
What result will MATLAB return when you compute the sine of $\frac{\pi}{3}$?
What result will MATLAB return when you compute the sine of $\frac{\pi}{3}$?
What is the correct way to store and access an array of data in MATLAB?
What is the correct way to store and access an array of data in MATLAB?
When you create an M-file called TemperatureData.m, how should you access the data within it in MATLAB?
When you create an M-file called TemperatureData.m, how should you access the data within it in MATLAB?
What is the determinant of the coefficient matrix A in the given system of equations?
What is the determinant of the coefficient matrix A in the given system of equations?
If a system of equations has more unknowns than equations, how is the system classified?
If a system of equations has more unknowns than equations, how is the system classified?
What happens to the number of solutions when the determinant of the coefficient matrix A equals 0?
What happens to the number of solutions when the determinant of the coefficient matrix A equals 0?
In the example system, if y can assume any value, how can x and z be expressed in terms of y?
In the example system, if y can assume any value, how can x and z be expressed in terms of y?
Which of the following statements about a square coefficient matrix is true for finding an inverse?
Which of the following statements about a square coefficient matrix is true for finding an inverse?
What is the role of the pseudoinverse in systems of equations?
What is the role of the pseudoinverse in systems of equations?
After finding x = inv(A) * b, what are the resulting values of x?
After finding x = inv(A) * b, what are the resulting values of x?
What does an underdetermined system imply regarding variable determination?
What does an underdetermined system imply regarding variable determination?
What does the syntax x = [xi : q : xe] accomplish in MATLAB?
What does the syntax x = [xi : q : xe] accomplish in MATLAB?
What will be the output of the command x = [0:0.1:1]?
What will be the output of the command x = [0:0.1:1]?
What command is used in MATLAB to add a grid to a plot?
What command is used in MATLAB to add a grid to a plot?
Which command would result in a matrix error in MATLAB?
Which command would result in a matrix error in MATLAB?
What does the 'axis square' command do in MATLAB?
What does the 'axis square' command do in MATLAB?
How do you create a decrementing vector from 100 to 80 with an increment of -5?
How do you create a decrementing vector from 100 to 80 with an increment of -5?
If you want the axis limits in MATLAB to be set automatically, which command should you use?
If you want the axis limits in MATLAB to be set automatically, which command should you use?
What does the command linspace(a,b) do?
What does the command linspace(a,b) do?
What is the purpose of the 'axis equal' command in MATLAB?
What is the purpose of the 'axis equal' command in MATLAB?
If you want to create a vector containing values between 0 and 10 with a spacing of 2, which command is correct?
If you want to create a vector containing values between 0 and 10 with a spacing of 2, which command is correct?
When plotting using 'plot(x, y), grid on, axis equal', what aspect of the plot will be notably different from using only 'plot(x, y), grid on'?
When plotting using 'plot(x, y), grid on, axis equal', what aspect of the plot will be notably different from using only 'plot(x, y), grid on'?
What is the result of y = x^2 when x is a vector?
What is the result of y = x^2 when x is a vector?
Which of the following functions was used to create the y-values in the example given?
Which of the following functions was used to create the y-values in the example given?
How do you create a row vector of n regularly spaced elements between a and b in MATLAB?
How do you create a row vector of n regularly spaced elements between a and b in MATLAB?
What does the command 'plot(x,y)' accomplish in MATLAB?
What does the command 'plot(x,y)' accomplish in MATLAB?
Which command can be used to explore different styles of plots in MATLAB?
Which command can be used to explore different styles of plots in MATLAB?
What is the primary purpose of using the fplot function in MATLAB?
What is the primary purpose of using the fplot function in MATLAB?
What error occurs when using 'exp(-t)*sin(t)' in MATLAB?
What error occurs when using 'exp(-t)*sin(t)' in MATLAB?
Which command adds titles and labels to a plot generated by fplot?
Which command adds titles and labels to a plot generated by fplot?
When defining a function to avoid errors in MATLAB, what character is necessary before the multiplication symbol?
When defining a function to avoid errors in MATLAB, what character is necessary before the multiplication symbol?
What should the correct syntax be to define the function f for plotting using the exponential and sine functions?
What should the correct syntax be to define the function f for plotting using the exponential and sine functions?
How is the plot function called to visualize the function f between 0 and 4?
How is the plot function called to visualize the function f between 0 and 4?
What does the argument 'function string' in the fplot function specify?
What does the argument 'function string' in the fplot function specify?
If we wanted to plot the function f(t) = e^{-2t}sin(t), which of the following would be the correct fplot command to use?
If we wanted to plot the function f(t) = e^{-2t}sin(t), which of the following would be the correct fplot command to use?
Flashcards
MATLAB Output
MATLAB Output
MATLAB displays results in the command window. It can show numbers, vectors, or the result of calculations.
M-files
M-files
Text files in MATLAB used to store commands that can be run later.
MATLAB variables
MATLAB variables
Named locations in MATLAB memory to hold values. Examples include temps and CelsiusTemps.
Ending a MATLAB session
Ending a MATLAB session
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MATLAB calculation
MATLAB calculation
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Storing data in MATLAB
Storing data in MATLAB
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MATLAB function
MATLAB function
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Cylinder Volume
Cylinder Volume
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Column Vector
Column Vector
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Row Vector
Row Vector
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Scalar Multiplication
Scalar Multiplication
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Transpose of a vector
Transpose of a vector
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MATLAB
MATLAB
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Vector Element
Vector Element
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Vector Creation
Vector Creation
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Scalar Variable
Scalar Variable
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Creating vectors with uniform spacing
Creating vectors with uniform spacing
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Vector increment
Vector increment
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[start_value: increment : end_value]
[start_value: increment : end_value]
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linspace command
linspace command
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Row vector generation
Row vector generation
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Negative increment
Negative increment
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Uniformly spaced elements
Uniformly spaced elements
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Creating x values for plotting
Creating x values for plotting
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Inverse Matrix
Inverse Matrix
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Determinant
Determinant
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System of Equations
System of Equations
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Underdetermined System
Underdetermined System
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Pseudoinverse
Pseudoinverse
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Coefficient Matrix
Coefficient Matrix
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Linear System
Linear System
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Infinite Solutions
Infinite Solutions
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MATLAB Plotting Error
MATLAB Plotting Error
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fplot function
fplot function
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Function String
Function String
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fplot Command Syntax
fplot Command Syntax
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. Multiplication Symbol
. Multiplication Symbol
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Vector Element-wise Multiplication
Vector Element-wise Multiplication
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Matrix Dimensions
Matrix Dimensions
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MATLAB Plotting
MATLAB Plotting
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Plot with grid
Plot with grid
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Axis square
Axis square
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Axis equal
Axis equal
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Axis auto
Axis auto
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Creating x values
Creating x values
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Plot commands
Plot commands
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Matrix multiplication
Matrix multiplication
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Uniformly spaced vector
Uniformly spaced vector
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