已解决


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

4 years 前

已解决


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.

4 years 前

已解决


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 ...

4 years 前

已解决


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

4 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...

4 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|...

4 years 前

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Find MPG of Lightest Cars
The file |cars.mat| contains a table named |cars| with variables |Model|, |MPG|, |Horsepower|, |Weight|, and |Acceleration| for ...

4 years 前

已解决


Find the Best Hotels
Given three input variables: * |hotels| - a list of hotel names * |ratings| - their ratings in a city * |cutoff| - the rat...

4 years 前

已解决


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...

4 years 前

已解决


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

4 years 前

已解决


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...

4 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| ...

4 years 前

已解决


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...

4 years 前

已解决


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,....

4 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...

4 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...

4 years 前

已解决


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...

4 years 前

已解决


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:...

4 years 前

已回答
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...

6 years 前 | 0

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

6 years 前 | 0

已回答
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}); ...

6 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 ...

6 years 前 | 0

已回答
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...

6 years 前 | 0

已回答
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 ...

6 years 前 | 0

已回答
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: >...

6 years 前 | 0