%%{init:{'gitGraph':{'mainBranchName':'电池'},'themeVariables':{'commitLabelBackground': 'None','commitLabelFontSize':'20px'}}}%%
gitGraph
commit id:"数学"
commit id:"物理"
commit id:"电化学"
branch "汽车电池"
commit id:"锂电池"
branch "MATLAB电车(宝马i3)卸载电池再利用电气模型分析"
branch "MATLAB和Python电车电池制造性能度量分析"
commit id:"电化学指标"
commit id:"热力学特性"
commit id:"动力学特性"
commit id:"活性材料"
commit id:"定量分析"
commit id:"锂化学计量"
checkout "MATLAB电车(宝马i3)卸载电池再利用电气模型分析"
commit id:"卸载电池"
commit id:"电池容量"
commit id:"电阻"
commit id:"电气模型"
checkout "汽车电池"
commit id:"铅酸电池"
branch "Python和MATLAB微分锂电铅蓄电化学模型和等效电路"
commit id:"三种电化学颗粒模型"
commit id:"扩散方程"
commit id:"复合电极粒子模型"
commit id:"活性物质损失"
checkout "汽车电池"
merge "MATLAB和Python电车电池制造性能度量分析"
merge "MATLAB电车(宝马i3)卸载电池再利用电气模型分析"
merge "Python和MATLAB微分锂电铅蓄电化学模型和等效电路"
checkout "电池"
commit id:"储能"
branch "MATLAB(Octave)混电动力能耗评估"
commit id:"储能元数据信息"
commit id:"电流脉冲"
commit id:"等效电路"
commit id:"阻抗分析"
checkout "电池"
merge "汽车电池"
merge "MATLAB(Octave)混电动力能耗评估"
pie title 语言分比
"Python":90
"MATLAB":60
"C/C++":30
pie title 内容分比
"电化学、锂离子、铅酸、活性物质":60
"微分模型":90
"数学、常微分方程、偏微分方程、代数":80
"物理学、电极、粒子、等效电路":50
计算导数的常用方法有 3 种:
数值微分依赖于导数的定义: