Reading, Interpolating, and Plotting ERA5 Data in MATLAB

Reading, Interpolating, and Plotting ERA5 Data in MATLAB

Click the blue text Follow us 1 Reading nc files in MATLAB After downloading the ERA5 data (for download instructions, refer to the ERA5 data CDS API download (Windows system)), the data format is .nc files. Therefore, it is necessary to read, understand the nc files, and plot the distribution of relevant variables. View nc … Read more

From Spending Spree to Savings: How I Built a “Spending Brake” with Python and Saved Over 50,000 in Six Months

From Spending Spree to Savings: How I Built a "Spending Brake" with Python and Saved Over 50,000 in Six Months

My Closet: A “Consumerism Graveyard” Last Saturday, while organizing my closet, I sighed at the sight of my overflowing wardrobe—12 jackets with tags still on, 20 pairs of shoes worn only once, 3 dusty bags, and a mountain of “impulse buys” (hair clips for 9.9 yuan, aromatherapy for 19.9 yuan, decorative paintings for 39.9 yuan). … Read more

Ready-to-Use Academic-Level Plotting 4: Bar Chart (MATLAB Implementation, Foolproof Data Replacement)

Ready-to-Use Academic-Level Plotting 4: Bar Chart (MATLAB Implementation, Foolproof Data Replacement)

4. Bar Chart 4.1 Effect Display 4.2 Detailed Explanation The bar chart uses the height of rectangles to represent data values and is a common tool for comparing discrete categorical data. Key interpretation points are as follows: Value Comparison:The height of the bars is proportional to the data values; within the same group (e.g., the … Read more

Ready-to-Use Academic-Level Plotting 3: Line Graph (MATLAB Implementation, Foolproof Data Replacement)

Ready-to-Use Academic-Level Plotting 3: Line Graph (MATLAB Implementation, Foolproof Data Replacement)

3. Line Graph 3.1 Effect Display 3.2 Detailed Explanation The line graph connects data points with line segments, primarily used to display the trend of data changes with ordered variables (such as sample numbers), suitable for comparing multiple sets of data. Key interpretation points are as follows: Trend Judgment:The slope of the line segment reflects … Read more

MATLAB | Reproducing Plots (Part 23) | Radar Chart Similar to Nature

MATLAB | Reproducing Plots (Part 23) | Radar Chart Similar to Nature

Please respect the original work.Reprint must indicate the link to this article.And the author: slandarer Hello, it’s been a long time! In this issue, we will create a radar chart similar to the one from Nature. The original image is shown below:This image is from: Pan, X., Li, X., Dong, L. et al. Tumour vasculature … Read more

MATLAB Visualization of Summer Sea Surface Flow Field

MATLAB Visualization of Summer Sea Surface Flow Field

MATLAB Visualization of Summer Sea Surface Flow Field Author: The Eighth Galaxy – Xiang Xianjun Email: [email protected] close all;clear;clc; % Data import and assign NaN values load("D:\matlab2022\toolbox\uvssh.mat"); ssh(ssh<-99999)=NaN; % Set base map to Miller projection, determine longitude and latitude range m_proj('miller', 'lon',[105140], 'lat',[025]); % Draw coastline map, fill with RGB gray, remove land contours m_coast('patch', … Read more

Understanding Software: FX Math Tools MultiDocs

Understanding Software: FX Math Tools MultiDocs

FX Math Tools MultiDocs is a powerful financial mathematics software tool designed specifically for forex traders, quantitative analysts, and financial engineers. It aims to enhance users’ trading decision-making and analytical capabilities through efficient and precise mathematical calculations and data processing. The tool’s standout feature is its robust multi-document processing capability, allowing users to handle multiple … Read more

Matlab Exercise Problem 4.6.2 | Plotting Date-Time Axis Graphs

Matlab Exercise Problem 4.6.2 | Plotting Date-Time Axis Graphs

Previous Answers: 4.6.1 Annotating Zero Coordinates on the Graph MATLAB Quick Exercise 4.6.1: Annotating the Graph with Comments: Zero Coordinates | One Line of Code to Solve [Reference Video31.22] Program: x=-10:10; y=(x+4).*(x-6); plot(x,y) grid on hold on plot(-4,0,’ro’) text(-3,0,’Zero Point(-4,0)’,’fontsize’,15,’color’,’r’); Running Result: ——————— Simple Divider ————————— 4.6.2 Date-Time Axis Graph The data in the table … Read more

MATLAB Image Processing | Understanding Color Images (Complete Code Included)

MATLAB Image Processing | Understanding Color Images (Complete Code Included)

Color images (RGB), also known as true color images, are typically represented by three color components: red (R), green (G), and blue (B), with values ranging from [0,255]. Taking the reading, assignment, and display of a 24-bit true color image as an example, including matrix representation, matrix assignment, value retrieval, and single (color) channel display. … Read more

MATLAB | Reproducing Plots (Part 23) | Radar Chart Similar to Nature

MATLAB | Reproducing Plots (Part 23) | Radar Chart Similar to Nature

Please respect the original work.Please indicate the link to this article when reproducing.Author: slandarer Hello, it’s been a long time! In this issue, we will create a radar chart similar to the one from Nature. The original image is shown below: This image is from: Pan, X., Li, X., Dong, L. et al. Tumour vasculature … Read more