Questions tagged as 'matlab'

Tagged questions
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How to generate sound in matlab from a wave?

If I create a sine wave: x=0:0.1:6*pi; is the wave range y=sin(x); is the wave with amplitude 1 f=440; is the desired frequency How to generate a sound from this data? I've tried sound(y, f) , but it d...
asked by 21.09.2016 / 13:42
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Pattern recognition [closed]

I have hundreds of digital images of dogs and cats, I need to make an algorithm to recognize when it is the dog and when it is the cat. What steps should I take?     
asked by 08.07.2016 / 15:38
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Newton Fractal, roots of equation z ^ 4 = 1

I'm wanting to plot a graphic of an image, called Newton Fractal: Followtemplate:Theproblemistoplottherootsofthez^4=1equation,whereithas4rootsbeing(-1,1,iand-i),wheretofindtherootsIuseNewton'smethodtoapproximate.Thedifferentcolors(red,green,...
asked by 03.12.2015 / 01:15
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if and logical connectives

I need to find the least number and the second smallest number of five numbers entered. But this strange fact is happening: #Subtrair o menor numero encontrado do numero digitado dif1 = n1 - menor dif2 = n2 - menor dif3 = n3 - menor dif...
asked by 23.05.2018 / 12:09
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How to predict values of a variable?

Live. I do not realize much or even nothing about predicting values. My problem is knowing how to predict future values of a certain variable based on a set of values previously noted ... Do you know where I can find tutorials that explain...
asked by 27.10.2014 / 21:12
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How do I save arrays to the hard drive?

How do I save matrices created in MATLAB to hard disk?     
asked by 30.10.2014 / 14:06
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How to change time, read and graph in MATLAB?

I am a student of meteorology and analyze data from micrometeorological towers. In each line of my file, .csv has tower code, year, julian day, and minute time. 110.2015,005.2359 1st I would like to know how to set my schedule from 2359 to...
asked by 17.02.2016 / 19:07
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How to open a .txt file in matlab that has many elements?

When the array has only a few elements, the dlmread command works but in the case of a non-high-order array. I would like to have access to the array columns.     
asked by 10.12.2015 / 15:48
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Does Matlab allow you to export data in an interactive (real time) way?

Good afternoon, I'm using matlab to receive real-time HTML data to generate graphs that are constantly updated, but I have not found anywhere how I could export these graphs to other real-time applications (and it's that there is such a possibil...
asked by 29.10.2018 / 21:43
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How to assign values to a vector?

I want to create a vector in matlab that gets 5 values, from the variable 'tot'. In my program I have a 'tot' variable that gets 1/2 tot=1/2; I want the vector named 'xi' in the first position to get the value of 'tot' In the second p...
asked by 05.11.2017 / 01:01