Undetermined Coefficients: Solving non-homogeneous ODEs

2024/05/0722:20:06 science 332285

Undetermined Coefficients: Solving non-homogeneous ODEs - DayDayNews

Undetermined Coefficients: Solving non-homogeneous ODEs - DayDayNews

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my country's first artificially bred rabbit cat turns one year old. On July 7, the Internet celebrity "Elder Snake" in Xining Wildlife Park is one year and two months old. "She" is my country's first artificially bred rabbit cat. "She" "It not only fills the gap in the successful - DayDayNews

my country's first artificially bred rabbit cat turns one year old. On July 7, the Internet celebrity "Elder Snake" in Xining Wildlife Park is one year and two months old. "She" is my country's first artificially bred rabbit cat. "She" "It not only fills the gap in the successful

Xining is awesome! For the first time, China achieved

06/09 1073

We’ve seen blue skies on sunny days, black skies on rainy days, gray skies on cloudy days…but what about green skies? It seems that it is only possible in science fiction movies, or on some alien planet beyond the earth. Will there be green skies on the earth we live on? The worl - DayDayNews

We’ve seen blue skies on sunny days, black skies on rainy days, gray skies on cloudy days…but what about green skies? It seems that it is only possible in science fiction movies, or on some alien planet beyond the earth. Will there be green skies on the earth we live on? The worl

Is the green sky suddenly appearing in the United States an ominous sign?

06/09 1472

Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1). - DayDayNews

Researchers including Daohua Jiang from the Institute of Physics, Chinese Academy of Sciences, and William Catterall and Ning Zheng from the University of Washington analyzed the structure of the open-state cardiac sodium channel (NaV1.5) and analyzed its working principle (1).

Cell | Open state myocardial sodium channel structure

06/09 1285

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca. - DayDayNews

On July 6, the team of Professor Luan Sheng from the University of California, Berkeley, published a paper in Nature entitled. A receptor-channel trio conducts Ca.

Nature | Luan Sheng's team has made important breakthroughs in the fields of plant sexual reproduction and signal transduction

06/10 1171

Recently, a scientific research team from Tokyo Metropolitan University in Japan discovered a new type of compound that can capture carbon dioxide directly from the environment and achieve the highest carbon capture efficiency so far of 99%, which is twice the efficiency of other - DayDayNews

Recently, a scientific research team from Tokyo Metropolitan University in Japan discovered a new type of compound that can capture carbon dioxide directly from the environment and achieve the highest carbon capture efficiency so far of 99%, which is twice the efficiency of other

Japanese scientists develop new carbon capture system that can quickly and directly capture low-concentration carbon dioxide

06/09 1986

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing. - DayDayNews

Human beings cannot prevent aging, but they can use chips to store brain information, give up their physical bodies, and resurrect with the help of robot bodies. This is the future immortality of mankind, which is the immortality we have been pursuing.

From the machine age of unmanned factories to humans giving up their physical bodies and returning to eternal life

06/10 1909

This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: Lily Introduction: Fat cells can be divided into "white" and "brown" - white fat cells are responsible for storing fat, and their weight accounts for about 15%-20% - DayDayNews

This article is original to the Translational Medicine Network. Please indicate the source when reprinting. Author: Lily Introduction: Fat cells can be divided into "white" and "brown" - white fat cells are responsible for storing fat, and their weight accounts for about 15%-20%

"Nature" rekindles brown fat cells and eliminates excess fat

06/09 1715

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr - DayDayNews

The spring itself is elastic. After being compressed, the spring will have the tendency to return to its initial state, and therefore has elastic potential energy. We can think of it as the energy stored in the overall system of the spring. So the question is Question: If a compr

Put a compressed spring into strong acid. After the spring dissolves, where does the energy of the spring go?

06/09 1513

Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t - DayDayNews

Wang Jianping: One article per day: "Theory of Perception." Part 9" (105) Why is a problem a problem? Why is there a problem? Existence has existed for hundreds of millions of years. Is there something wrong with existence? Logically speaking, there is definitely no problem. If t

A major turning point for mankind will occur: all problems will no longer be a problem

06/09 1687

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field. - DayDayNews

Recently, researchers such as Broad Institute of MIT and Harvard David Liu published a review in Cell to introduce the research progress in this field.

Cell | David Liu and others review the research progress of gene editing vectors

06/09 1876

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l - DayDayNews

Pictured above is Physarum polycephalum, a protist, specifically a slime mold. The term "slime mold" does not refer to a specific single group, but is a broad term referring to several types of eukaryotes that behave similarly. Regardless, they possess intelligence, although it l

Intelligent slime mold

06/11 1668

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio - DayDayNews

01. Nostalgia is a spaceship heading to Mars. ——Douyou 02. Since childhood, I have been taking care of the stars of all generations alone. ——Bai Helin's "Loneliness" 03. The stars should laugh, the universe is a remote place anyway. ——Pasternak 04. All my desires and contemplatio

Golden sentence#星星——All my desires and contemplations are the slowly exhaled air currents of this universe.

06/11 1169

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S. - DayDayNews

Today, an insight into the vision of a once young cosmic artist shows the dust continuum and molecular lines of carbon monoxide and water seen in the pair of SPT0311-58 galaxies. (Image source: ALMA (ESO/NAOJ/NRAO)/S.

Water was discovered in ancient galaxies, which surprised astronomers. What happened?

06/11 1154

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th - DayDayNews

Text/Picture Yangcheng Evening News all-media reporter Wen Cong has completed about 700 experimental projects, filling many gaps in my country's scientific research field... Next month, the China Spallation Neutron Source (CSNS) will have been in operation for four years. With th

Filling in many scientific research gaps! The China Spallation Neutron Source will be in operation for four years丨The party flag is flying high at the grassroots level

06/11 1511

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality. - DayDayNews

In fact, we are not unfamiliar with the term mycotoxins. They generally exist in grains. The detection of mycotoxins can be carried out on-site. When choosing instruments for testing, we must choose brands with good quality.

Introduction to applicable industries of mycotoxin detectors

06/11 1040

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can - DayDayNews

How should we choose testing instruments? When choosing together, we should focus on the quality of the product. Speaking of instruments, online residual chlorine analyzers have a wide range of uses. They are not only very accurate in detecting residual chlorine content, but can

Instructions for using online residual chlorine analyzer

06/11 1125

The official WeChat of the Tibet Military Region on March 3 released a video of the Type 09 18.4mm shotgun melee training. Today we are going to talk about the shotgun, this melee weapon. - DayDayNews

The official WeChat of the Tibet Military Region on March 3 released a video of the Type 09 18.4mm shotgun melee training. Today we are going to talk about the shotgun, this melee weapon.

The People's Liberation Army has installed the world's lightest shotgun, with explosive firepower and a range twice as high as similar foreign weapons.

06/11 1939

The first part of the word scalpel is to teach you a few words related to the knife. Speaking of knives, many friends may think of the word knife. In Chinese, there are many kinds of knives. For example, Guan Yun wields the Qinglong Yanyue Sword, and most Liangshan heroes carry a - DayDayNews

The first part of the word scalpel is to teach you a few words related to the knife. Speaking of knives, many friends may think of the word knife. In Chinese, there are many kinds of knives. For example, Guan Yun wields the Qinglong Yanyue Sword, and most Liangshan heroes carry a

The word scalpel – starting with a word about a knife

06/11 1899

There is almost a week left until the September update of the "PlayerUnknown's Battlegrounds" game. Several foreign chicken-eating anchors have quietly revealed their skin. And as the update is approaching, this chicken-eating boss is not idle and has teased out several new props - DayDayNews

There is almost a week left until the September update of the "PlayerUnknown's Battlegrounds" game. Several foreign chicken-eating anchors have quietly revealed their skin. And as the update is approaching, this chicken-eating boss is not idle and has teased out several new props

"PlayerUnknown's Battlegrounds" new props will be launched next week: controllable circle direction, small medical kit and new weapons

06/11 1415

Striker shotgun: The Striker shotgun is a riot control and combat shotgun developed by South African firearms designer Hilton Walker in the 1980s and produced by Sentinel Arms Limited. It fires 12-gauge shotguns. - DayDayNews

Striker shotgun: The Striker shotgun is a riot control and combat shotgun developed by South African firearms designer Hilton Walker in the 1980s and produced by Sentinel Arms Limited. It fires 12-gauge shotguns.

The strange-looking South African "Strike" shotgun

06/11 1710

In order to hunt fast-moving birds and small animals, Americans developed a large-caliber long gun called a "shotgun," which is the most popular type of gun among American folk. - DayDayNews

In order to hunt fast-moving birds and small animals, Americans developed a large-caliber long gun called a "shotgun," which is the most popular type of gun among American folk.

Winchester M1897 shotgun: the weapon used by the US military to kill enemies in World War I, the German government called it inhumane

06/11 1562

This is the "Fighter" MKI fighter aircraft introduced from the United Kingdom by the Nationalist Government in the early days of the Anti-Japanese War. This was also the last bi-wing destroyer aircraft used by the United Kingdom in World War II. - DayDayNews

This is the "Fighter" MKI fighter aircraft introduced from the United Kingdom by the Nationalist Government in the early days of the Anti-Japanese War. This was also the last bi-wing destroyer aircraft used by the United Kingdom in World War II.

"Fighting to break the sky and shake the enemy's courage" the defender of China's skies: the British-made Fighter MKⅠ fighter jet

06/11 1783