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Macy


Last seen: 1 year 前 |  自 2023 起处于活动状态

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How can I organize data into monthly means/averages across all years? And then plot it in a bar graph?
Hello, I would like to make a barplot of average monthly number of students, in other words the mean of the total students acros...

1 year 前 | 1 个回答 | 0

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Simple question, how to read in a color band file?
Hi, I am very new to image manipulations and MatLab. How do I properly read in a color band into MatLab. For example, I have thr...

1 year 前 | 2 个回答 | 0

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How to sharpen an image? Sharpening filter kernel.
Hello, the following is an example of a smoothing filter kernel. How can I make a sharpening filter kernel? smoothingfilter=[1/...

1 year 前 | 1 个回答 | 0

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Linear contrast stretch to image?
Hi, I am very new to image manipulation and MatLab. I am asked to perform a linear contrast stretching on an image using the de...

1 year 前 | 1 个回答 | 0

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How to get subset of data from given thresholds?
Please help, here is a snippet of code. There are three different thresholds that I have to make subsets of data for: 1)NZE > ...

1 year 前 | 1 个回答 | 0

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How to apply the same style/color and axes labels to all subplots?
Hello, here is a snippet of code. The LineStyle, Color, Xlabel and Ylabel are the same for all four subplots. Is there a way to ...

1 year 前 | 2 个回答 | 0

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How to condense this code for plotting cdfs? How to use a for loop to plot lines.
Hello, I am new to MatLab and have a lot of code that I would like to condese/make easier to plot. The following code makes one ...

1 year 前 | 1 个回答 | 0

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How do I make an image of numbers using imagesc? Change values in the matrix?
Hello, I am new to MatLab and manipulating matrices. I have been instructed to make a 2-D matrix 700x400 of any non-zero numbe...

1 year 前 | 2 个回答 | 0

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How to calculate R^2 using 1 - (SSR/SST)? For normal fit distribution.
Hello, I have used the fitlm function to find R^2 (see below), to see how good of a fit the normal distribution is to the actual...

2 years 前 | 1 个回答 | 0

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CDF values are on a scale of 0 to 1, how to scale?
Hello, I made a normal fit distribution for some data called "actual_values". The plot came out fine. Now how do I display th...

2 years 前 | 1 个回答 | 0

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How can I scale CDF normal distribution values to match actual data? Calculating R^2?
Hi everyone, How can I calculate R^2 for the actual data and the normal fit distribution? The problem I am having is my normal f...

2 years 前 | 1 个回答 | 0

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How to plot empirical cdf and fitted distributions cdfs?
Hi, want to make one plot with the empirical CDF and three additional distributions CDFs (normal, lognormal, and weibull) to vis...

2 years 前 | 1 个回答 | 0

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Ranking numbers in a table and manipulating by division.
I am trying to manually calculate non-exceedance probabilities of each value x. How can I rank the values in this table from sma...

2 years 前 | 1 个回答 | 0

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Is there a function to determine the non-exceedance probability of each value in the table?
Table = readtable("practice3.xlsx"); x = Table.values

2 years 前 | 2 个回答 | 0

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已回答
How to make a simple plot with two lines?
@Paul thank you, this saved me a lot of time as I was trying to do it using a for loop.

2 years 前 | 0

提问


How do I make a simple table in MatLab? Skew function?
Hello. How can I make a table that displays the mean and median of "students" and "courses"? Also, is there a way to calculate ...

2 years 前 | 1 个回答 | 0

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How to make a simple plot with two lines?
Hi. I am new to MatLab. I want to make a plot with two lines for 2001 and 2003 group of schoolyear vs students. (Please note, no...

2 years 前 | 3 个回答 | 0

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How to make a line-plot? Time series
Hi there, simple question. This is a subset of a larger dataset. How do I make a lineplot of the schoolyear 2000 and 2002 "stude...

2 years 前 | 2 个回答 | 0

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How do I sum the values of sections of a table?
Hi there. I have this data, for which I created a new vector called schoolyear. How do I sum the total number of students for ea...

2 years 前 | 2 个回答 | 0

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How to use if/then to create a vector using values from a table.
Hi, I am new to MatLab and coding in general. Here, I wish to assign a "schoolyear" to each data point. If the table_a.month fal...

2 years 前 | 2 个回答 | 0

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How to use if/then to assign a year to a set of dates?
I would like to add a new vector called "school_year" that assigns a year to each point. In this case, a school year will be con...

2 years 前 | 2 个回答 | 0

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How do I input a table column of values into a formula?
Hello, I am new to MatLab. Here is some simple code I would greatly appreciate some help on. I am given an excel spreadsheet o...

2 years 前 | 1 个回答 | 0

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How do I change a date in a cell into three cells in MatLab xlsx file?
I have an excel file that has a column of dates in an examples such as follows: 01-Oct-2022 How do I change it into three colum...

2 years 前 | 1 个回答 | 0

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How do you save for loop plots to the correct directory?
%Hello, this is very simple code but I am completey new to MatLab. Help! points = [1:3] color = ["r", "g", "b", "m", "b"];...

2 years 前 | 1 个回答 | 0

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How do I save for loop plots to a figure directory?
I am completely new to MatLab. I was intructed to create a string variable that contains the name of a directory I made (a folde...

2 years 前 | 1 个回答 | 0

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