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Luis Garcia


Last seen: 4 years 前 |  自 2016 起处于活动状态

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How can I load a mat file faster
I have a very large mat file that is about 8 GB,it contains a couple of structure with data. And to load it it takes about 10 mi...

6 years 前 | 1 个回答 | 0

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提问


How to create an structure fields from an cell array?
I have the following code: data1 = xlsread('data1.xlsx'); namesoftags = {'timeaxis','cputime','flux','volts'}; for i =1:4 ...

6 years 前 | 2 个回答 | 0

2

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提问


How to plot 4 rectangles, having their center, and knowing their half width and heigh?
I'm trying to plot 4 rectangles, I have their center points in a 4X2 Matrix,(A) and I have in a 1X2(B) Matrix the half of width ...

6 years 前 | 1 个回答 | 0

1

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提问


How to add an existing tool to my GUI?
I'm trying to add an existing tool, (the imcontrast tool) to show in my GUI. But currently it shows in a different figure(or win...

6 years 前 | 1 个回答 | 0

1

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提问


How to shift and re plot 4 rectangles ?
I have a rectangle xrect = [x1 x2 x3 x4 x1]; yrect = [y1 y2 y3 y4 y1]; I have plotted the rectangle, but I need to shif...

6 years 前 | 1 个回答 | 0

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提问


Jacobi method: Error with index in the while loop.
N = 6; I = eye(N); A = toeplitz([2 -1 zeros(1, N-2)]); b = [0 2 3 -1 2 1]'; x = [0 0 0 0 0 0]'; %initial guess ...

6 years 前 | 1 个回答 | 0

1

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trying to iterate through a vector changing the value of 1/5 in each iteration ?
Im trying to do calculations with x with different b, so for example the first calculation is with b = 1/5 0 0 0 0 0 0 0 .... ...

6 years 前 | 1 个回答 | 0

1

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提问


why is my error plot not showing?
x = linspace(-10,10,100); h = logspace(-1,-16,100); error = (300); figure(1); hold on; for i = 1:100 err...

7 years 前 | 3 个回答 | 0

3

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提问


why is my plot not showing?
Im trying to plot iteration on the x-axis vs error_delta on the y-axis, but nothing shows, they are inside the while loop. ...

7 years 前 | 2 个回答 | 0

2

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已解决


Construct an array
* Construct an row array named observedValues with elements sensorReading1, sensorReading2, and sensorReading3.

8 years 前

已解决


Lightning strike distance: Writing a function
Write a function named LightningDistance that outputs "distance" given input "seconds". Seconds is the time from seeing lightnin...

8 years 前

已解决


Simple equation: Annual salary
Given an hourly wage, compute an annual salary by multiplying the wage times 40 and times 50, because salary = wage x 40 hours/w...

8 years 前

已解决


Is my wife right?
Regardless of input, output the string 'yes'.

8 years 前

已解决


Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

8 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:...

8 years 前

已解决


Circle area using pi
Given a circle's radius, compute the circle's area. Use the built-in mathematical constant pi.

8 years 前

已解决


Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

8 years 前