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Return area of square
Side of square=input=a Area=output=b

5 years 前

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Maximum value in a matrix
Find the maximum value in the given matrix. For example, if A = [1 2 3; 4 7 8; 0 9 1]; then the answer is 9.

5 years 前

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5 years 前

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Add two numbers
Given a and b, return the sum a+b in c.

5 years 前

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Rescale Scores
Each column (except last) of matrix |X| contains students' scores in a course assignment or a test. The last column has a weight...

5 years 前

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Calculate Inner Product
Given two input matrices, |x| and |y|, check if their inner dimensions match. * If they match, create an output variable |z|...

5 years 前

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5 years 前

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5 years 前

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Crop an Image
A grayscale image is represented as a matrix in MATLAB. Each matrix element represents a pixel in the image. An element value re...

5 years 前

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Calculate BMI
Given a matrix |hw| (height and weight) with two columns, calculate BMI using these formulas: * 1 kilogram = 2.2 pounds * 1 ...

5 years 前

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Plot Damped Sinusoid
Given two vectors |t| and |y|, make a plot containing a blue ( |b| ) dashed ( |--| ) line of |y| versus |t|. Mark the minimum...

5 years 前

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Calculate a Damped Sinusoid
The equation of a damped sinusoid can be written as |y = A.ⅇ^(-λt)*cos(2πft)| where |A|, |λ|, and |f| ...

5 years 前

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Solve a System of Linear Equations
*Example*: If a system of linear equations in _x&#8321_ and _x&#8322_ is: 2 _x₁_ + _x₂_ = 2 _x₁...

5 years 前

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Verify Law of Large Numbers
If a large number of fair N-sided dice are rolled, the average of the simulated rolls is likely to be close to the mean of 1,2,....

5 years 前

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Find the Oldest Person in a Room
Given two input vectors: * |name| - user last names * |age| - corresponding age of the person Return the name of the ol...

5 years 前

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Convert from Fahrenheit to Celsius
Given an input vector |F| containing temperature values in Fahrenheit, return an output vector |C| that contains the values in C...

5 years 前

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Calculate Amount of Cake Frosting
Given two input variables |r| and |h|, which stand for the radius and height of a cake, calculate the surface area of the cake y...

5 years 前

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Times 2 - START HERE
Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

5 years 前

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how to connect table with checkbox? dynamic? GUI
Hi, One thing you could do is, in the CellEditCallback based on the checkbox state, change the hObject.Data(selectedInd) to e...

7 years 前 | 0

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Compiled application can't dock figures
Hi Michael, Unfortunately, MATLAB does not provide a functionality to dock figures in compiled applications. The recommended ...

7 years 前 | 0

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Handling external variables when redefining the text displayed by the data cursor
hi Isabelle, You may pass additional arguments like this: val = 10; set(dcm_obj,'UpdateFcn', {@myupdatefcn, val}); ...

7 years 前 | 0

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Axis 'boxstyle' 'full' only works if 'xaxislocation' is 'origin'!!
Hi Luc, The box is actually there but the surface is being rendered on top of it (because the axis is tight). You can render ...

7 years 前 | 0

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Add filename to data point label in a figure
Hi, You may refer to the below MATLAB Answers post to learn how to display Custom text for the Data Cursor: https://www.ma...

7 years 前 | 0

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A static text does not update after set() until the callback has finished
Hi, It looks like the call to change the status text is taking time to update the graphics. You may want to use the function ...

7 years 前 | 0

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Finding the x interval for when a function is less than another
Hello, To find the intervals of x where 'phi' is less than or equal to 'RHS', you may use "find" function. For example: >...

7 years 前 | 0